Komatsu D61EX-23, D61PX-23 Bulldozer Service Repair Workshop Manual (SN: 30001 and up)

BULLDOZER SEN06010-02 D61EX -23 D61PX -23 SERIAL NUMBERS D61EX- 30001 D61PX- 30001 and up

SHOP MANUAL BULLDOZER D61EX-23 D61PX-23 Model D61EX-23 D61PX-23 Serial Number 30001 and up 00 Index and foreword 1 00 Index and foreword D61EX-23, D61PX-23 00-1

00 Index and foreword Index Index (ALL-0310-001-A-00-A) 00 Index and foreword ....................................................................................................................... 00-1 Index ......................................................................................................................................... 00-2 Foreword, safety and general information ................................................................................... 00-15 Important safety notice ....................................................................................................... 00-15 How to read the shop manual .............................................................................................. 00-22 Explanation of terms for maintenance standard .................................................................... 00-24 Handling equipment of fuel system devices .......................................................................... 00-26 Handling of intake system parts ........................................................................................... 00-27 Handling of hydraulic equipment .......................................................................................... 00-28 Method of disconnecting and connecting of push-pull type coupler ......................................... 00-30 Handling of electrical equipment .......................................................................................... 00-33 How to read electric wire code ............................................................................................. 00-41 Precautions when performing operation ............................................................................... 00-44 Practical use of KOMTRAX ................................................................................................. 00-49 Standard tightening torque table .......................................................................................... 00-50 List of abbreviation ............................................................................................................. 00-56 Conversion table ................................................................................................................ 00-61 01 Specification................................................................................................................................. 01-1 Table of contents ........................................................................................................................ 01-2 Specifications ............................................................................................................................. 01-3 Specification drawing ........................................................................................................... 01-3 Specifications ...................................................................................................................... 01-5 Weight table ...................................................................................................................... 01-17 Table of fuel, coolant, and lubricants .................................................................................... 01-21 10 Structure and function ................................................................................................................... 10-1 Table of contents ........................................................................................................................ 10-2 Engine and cooling system .......................................................................................................... 10-3 Engine related parts ............................................................................................................. 10-3 KVGT.................................................................................................................................. 10-5 EGR system piping drawing ................................................................................................ 10-12 EGR system circuit diagram ................................................................................................ 10-14 EGR valve ......................................................................................................................... 10-16 EGR cooler........................................................................................................................ 10-18 KCCV layout drawing ......................................................................................................... 10-19 KCCV ventilator ................................................................................................................. 10-21 KDPF ................................................................................................................................ 10-23 Cooling system .................................................................................................................. 10-27 Cooling fan motor ............................................................................................................... 10-29 Oil cooler bypass and HST charge safety valve..................................................................... 10-35 Power train............................................................................................................................... 10-41 Power train system............................................................................................................. 10-41 Damper ............................................................................................................................. 10-44 Hydraulic component layout of HST ..................................................................................... 10-45 Steering and brake control .................................................................................................. 10-46 HST pump ......................................................................................................................... 10-48 HST motor ......................................................................................................................... 10-63 Charge pump..................................................................................................................... 10-78 Solenoid valve ................................................................................................................... 10-79 Final drive ......................................................................................................................... 10-88 Undercarriage and frame ........................................................................................................... 10-92 Main frame ........................................................................................................................ 10-92 Suspension ....................................................................................................................... 10-93 Track frame and idler cushion ............................................................................................. 10-95 Hydraulic system ...................................................................................................................... 10-98 Hydraulic component layout of work equipment .................................................................... 10-98 Work equipment control system......................................................................................... 10-100 Hydraulic tank .................................................................................................................. 10-102 CLSS .............................................................................................................................. 10-104 00-2 D61EX-23, D61PX-23

00 Index and foreword Index Work equipment and cooling fan pump .............................................................................. 10-107 Control valve ................................................................................................................... 10-118 Ripper PPC valve............................................................................................................. 10-140 Quick drop valve .............................................................................................................. 10-145 Angle control EPC valve ................................................................................................... 10-148 Accumulator .................................................................................................................... 10-153 Work equipment ..................................................................................................................... 10-155 Blade .............................................................................................................................. 10-155 Ripper ............................................................................................................................. 10-156 Piston valve ..................................................................................................................... 10-157 Cab and its attachments .......................................................................................................... 10-158 ROPS cab ....................................................................................................................... 10-158 Cab mount ...................................................................................................................... 10-160 Electrical system .................................................................................................................... 10-161 Engine control system ...................................................................................................... 10-161 Cooling system control system .......................................................................................... 10-164 HST control system .......................................................................................................... 10-166 Parking brake control system ............................................................................................ 10-179 System operating lamp function......................................................................................... 10-181 Battery disconnect switch function ..................................................................................... 10-182 Machine monitor system ................................................................................................... 10-184 KOMTRAX system ........................................................................................................... 10-207 System component parts .................................................................................................. 10-210 Sensor ............................................................................................................................ 10-227 20 Standard value tables.................................................................................................................... 20-1 Table of contents ........................................................................................................................ 20-2 Standard service value table ........................................................................................................ 20-3 Standard value table for engine ............................................................................................. 20-3 Standard value table for machine .......................................................................................... 20-4 Standard value table for electrical system............................................................................. 20-17 30 Testing and adjusting .................................................................................................................... 30-1 Table of contents ........................................................................................................................ 30-2 Related information on testing and adjusting ................................................................................. 30-4 Tools for testing and adjusting ............................................................................................... 30-4 Sketch of tools for testing and adjusting ................................................................................. 30-7 Engine and cooling system .......................................................................................................... 30-9 Testing engine speed ........................................................................................................... 30-9 Testing boost pressure ....................................................................................................... 30-11 Testing exhaust gas color ................................................................................................... 30-13 Testing and adjusting valve clearance .................................................................................. 30-15 Testing compression pressure ............................................................................................. 30-18 Testing blowby pressure ..................................................................................................... 30-22 Testing engine oil pressure ................................................................................................. 30-24 Testing EGR valve and KVGToil pressures .......................................................................... 30-25 Testing fuel pressure .......................................................................................................... 30-26 Testing fuel discharge, return and leakage............................................................................ 30-31 Bleeding air from fuel system .............................................................................................. 30-36 Testing fuel circuit for leakage ............................................................................................. 30-38 Handling cylinder cutout mode operation .............................................................................. 30-39 Handling no-injection cranking operation .............................................................................. 30-40 Testing of KDPF and muffler stack for looseness and damage ............................................... 30-41 Testing of installed condition of cylinder heads and manifolds ................................................ 30-42 Testing engine piping for damage and looseness .................................................................. 30-43 Replacing alternator belt ..................................................................................................... 30-44 Power train............................................................................................................................... 30-45 Testing and adjusting HSToil pressure................................................................................. 30-45 Testing output pressure of solenoid valve ............................................................................. 30-50 Testing if machine travels straight ........................................................................................ 30-54 Simple test procedure for brake performance ....................................................................... 30-55 D61EX-23, D61PX-23 00-3

00 Index and foreword Index Adjusting deceleration/brake pedal ...................................................................................... 30-56 Adjusting parking brake lever .............................................................................................. 30-59 Move disabled machine urgently ......................................................................................... 30-61 Undercarriage and frame ........................................................................................................... 30-64 Adjusting idler clearance ..................................................................................................... 30-64 Checking sprocket wear ..................................................................................................... 30-65 Testing and adjusting track tension ...................................................................................... 30-66 Hydraulic system ...................................................................................................................... 30-67 Releasing remaining pressure in work equipment cylinder ..................................................... 30-67 Testing and adjusting work equipment oil pressure ................................................................ 30-68 Testing source pressure of control circuit .............................................................................. 30-70 Testing outlet pressure of work equipment EPC valve and fan EPC valve ............................... 30-71 Isolating the parts causing hydraulic drift in blade and ripper .................................................. 30-73 Testing internal oil leakage of work equipment cylinder .......................................................... 30-74 Testing fan speed ............................................................................................................... 30-76 Testing fan circuit oil pressure ............................................................................................. 30-77 Bleeding air from hydraulic circuit ........................................................................................ 30-78 Work equipment ....................................................................................................................... 30-79 Adjusting work equipment lock lever .................................................................................... 30-79 Adjusting play of blade center ball........................................................................................ 30-81 Electrical system ...................................................................................................................... 30-82 Special functions of machine monitor ................................................................................... 30-82 Adjustment method when HST controller has been replaced ................................................ 30-161 Adjustment method when electric or hydraulic device has been replaced .............................. 30-164 Adjusting rearview camera angle ....................................................................................... 30-165 Handling voltage circuit of engine controller ........................................................................ 30-166 Handling battery disconnect switch .................................................................................... 30-167 Testing diodes ................................................................................................................. 30-168 Pm clinic ................................................................................................................................ 30-169 Pm Clinic service ............................................................................................................. 30-169 Pm Clinic check sheet ...................................................................................................... 30-171 40 Troubleshooting ............................................................................................................................ 40-1 Table of contents ........................................................................................................................ 40-2 Related information on troubleshooting ......................................................................................... 40-9 Troubleshooting points ......................................................................................................... 40-9 Sequence of events in troubleshooting................................................................................. 40-11 Checks before troubleshooting ............................................................................................ 40-13 Inspection procedure before troubleshooting ........................................................................ 40-15 Preparation for troubleshooting of electrical system............................................................... 40-32 Classification and procedures for troubleshooting ................................................................. 40-36 Symptom and troubleshooting numbers ............................................................................... 40-38 Information in troubleshooting table ..................................................................................... 40-41 Procedure for troubleshooting wiring harness of pressure sensor system for open circuit ................................................................................................................... 40-43 Connector list and layout .................................................................................................... 40-46 Connector contact identification........................................................................................... 40-58 T-branch box and T-branch adapter table ............................................................................. 40-96 Fuse location table ........................................................................................................... 40-101 Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement ................................. 40-106 Preparation of dummy temperature sensor (for KDOC and KDPF temperature sensors)............................................................................................................. 40-109 Preparation of short circuit electrical connector (for failure codes [CA1883] and [CA3135]) .......................................................................................................... 40-110 Failure codes table ............................................................................................................ 40-111 Troubleshooting by failure code (Display of code) ...................................................................... 40-122 Failure code [6091NX] HST Oil Filter Clogging ................................................................... 40-122 Failure code [989L00] Engine Controller Lock Caution 1 ...................................................... 40-124 Failure code [989M00] Engine Controller Lock Caution 2 ..................................................... 40-125 Failure code [989N00] Engine Controller Lock Caution 3 ..................................................... 40-126 00-4 D61EX-23, D61PX-23

00 Index and foreword Index Failure code [A1U0N3] HC Desorb Request 1 .................................................................... 40-127 Failure code [A1U0N4] HC Desorb Request 2 .................................................................... 40-129 Failure code [AA10NX] Air Cleaner Clogging ...................................................................... 40-131 Failure code [AB00KE] Charge Voltage Low....................................................................... 40-133 Failure code [B@BAZG] Eng Oil Press Low ....................................................................... 40-135 Failure code [B@BCNS] Eng Water Overheat .................................................................... 40-136 Failure code [B@CRNS] HST Oil Overheat ........................................................................ 40-137 Failure code [B@CRZG] HST Charge Press Low ............................................................... 40-138 Failure code [CA115] Eng Ne and Bkup Speed Sens Error .................................................. 40-139 Failure code [CA122] Chg Air Press Sensor High Error ....................................................... 40-140 Failure code [CA123] Chg Air Press Sensor Low Error ........................................................ 40-142 Failure code [CA131] Throttle Sensor High Error................................................................. 40-144 Failure code [CA132] Throttle Sensor Low Error ................................................................. 40-146 Failure code [CA144] Coolant Temp Sens High Error .......................................................... 40-148 Failure code [CA145] Coolant Temp Sens Low Error ........................................................... 40-150 Failure code [CA153] Chg Air Temp Sensor High Error ........................................................ 40-152 Failure code [CA154] Chg Air Temp Sensor Low Error......................................................... 40-154 Failure code [CA187] Sensor 2 Supply Volt Low Error ......................................................... 40-156 Failure code [CA234] Eng Overspeed ................................................................................ 40-158 Failure code [CA221] Ambient Press Sensor High Error ...................................................... 40-159 Failure code [CA222] Ambient Press Sensor Low Error ....................................................... 40-161 Failure code [CA227] Sensor 2 Supply Volt High Error......................................................... 40-163 Failure code [CA238] Ne Speed Sensor Supply Volt Error ................................................... 40-164 Failure code [CA239] Ne Speed Sens Supply Volt High Error............................................... 40-165 Failure code [CA271] IMV/PCV1 Short Error ...................................................................... 40-166 Failure code [CA272] IMV/PCV1 Open Error ...................................................................... 40-168 Failure code [CA295] Ambient Pressure Sensor In Range Error ........................................... 40-170 Failure code [CA322] Inj #1(L#1) Open/Short Error ............................................................. 40-171 Failure code [CA323] Inj #5(L#5) Open/Short Error ............................................................. 40-173 Failure code [CA324] Inj #3(L#3) Open/Short Error ............................................................. 40-175 Failure code [CA325] Inj #6(L#6) Open/Short Error ............................................................. 40-177 Failure code [CA331] Inj #2(L#2) Open/Short Error ............................................................. 40-179 Failure code [CA332] Inj #4(L#4) Open/Short Error ............................................................. 40-181 Failure code [CA343] ECM Critical Internal Failure .............................................................. 40-183 Failure code [CA351] Injectors Drive Circuit Error ............................................................... 40-184 Failure code [CA352] Sensor 1 Supply Volt Low Error ......................................................... 40-185 Failure code [CA356] Mass Air Flow Sensor High Error ....................................................... 40-187 Failure code [CA357] Mass Air Flow Sensor Low Error ........................................................ 40-189 Failure code [CA386] Sensor 1 Supply Volt High Error......................................................... 40-191 Failure code [CA428] Water in Fuel Sensor High Error ........................................................ 40-192 Failure code [CA429] Water in Fuel Sensor Low Error ......................................................... 40-194 Failure code [CA435] Eng Oil Press Sw Error ..................................................................... 40-196 Failure code [CA441] Battery Voltage Low Error ................................................................. 40-197 Failure code [CA442] Battery Voltage High Error ................................................................. 40-199 Failure code [CA449] Rail Press Very High Error................................................................. 40-200 Failure code [CA451] Rail Press Sensor High Error ............................................................. 40-201 Failure code [CA452] Rail Press Sensor Low Error ............................................................. 40-203 Failure code [CA488] Chg Air Temp High Torque Derate...................................................... 40-205 Failure code [CA515] Rail Press Sens Sup Volt High Error .................................................. 40-206 Failure code [CA516] Rail Press Sens Sup Volt Low Error ................................................... 40-208 Failure code [CA553] Rail Press High Error ........................................................................ 40-210 Failure code [CA555] Crankcase Press High Error 2 ........................................................... 40-211 Failure code [CA556] Crankcase Press High Error 2 ........................................................... 40-212 Failure code [CA559] Rail Press Low Error ......................................................................... 40-213 Failure code [CA595] Turbo Speed High Error 2 ................................................................. 40-215 Failure code [CA687] Turbo Speed Low Error ..................................................................... 40-216 Failure code [CA689] Eng Ne Speed Sensor Error .............................................................. 40-218 Failure code [CA691] Intake Air Temp Sens High Error ........................................................ 40-220 Failure code [CA692] Intake Air Temp Sens Low Error......................................................... 40-222 D61EX-23, D61PX-23 00-5

00 Index and foreword Index Failure code [CA697] ECM Internal Temp Sensor High Error................................................ 40-224 Failure code [CA698] ECM Int Temp Sensor Low Error ........................................................ 40-225 Failure code [CA731] Eng Bkup Speed Sens Phase Error ................................................... 40-226 Failure code [CA778] Eng Bkup Speed Sensor Error........................................................... 40-228 Failure code [CA1117] Persistent Data Lost Error ................................................................ 40-233 Failure code [CA1664] KDOC Malfunction.......................................................................... 40-234 Failure code [CA1691] Regeneration Ineffective ................................................................. 40-237 Failure code [CA1695] Sens 5 Supply Volt High Error.......................................................... 40-240 Failure code [CA1696] Sens 5 Supply Volt Low Error .......................................................... 40-241 Failure code [CA1843] Crankcase Press Sens High Error .................................................... 40-243 Failure code [CA1844] Crankcase Press Sens Low Error .................................................... 40-245 Failure code [CA1879] KDPF Delta P Sensor High Error ..................................................... 40-247 Failure code [CA1881] KDPF Delta P Sensor Low Error ...................................................... 40-249 Failure code [CA1883] KDPF Delta P Sens In Range Error .................................................. 40-251 Failure code [CA1921] KDPF Soot Load High Error 1 .......................................................... 40-255 Failure code [CA1922] KDPF Soot Load High Error 2 .......................................................... 40-258 Failure code [CA1942] Crankcase Press Sens In Range Error ............................................. 40-263 Failure code [CA1993] KDPF Delta Pressure Low Error ...................................................... 40-264 Failure code [CA2185] Throt Sensor Sup Volt High Error ..................................................... 40-267 Failure code [CA2186] Throt Sensor Sup Volt Low Error ...................................................... 40-268 Failure code [CA2249] Rail Press Very Low Error ............................................................... 40-269 Failure code [CA2271] EGR Valve Pos Sens High Error ...................................................... 40-270 Failure code [CA2272] EGR Valve Pos Sens Low Error ....................................................... 40-272 Failure code [CA2288] Turbo Speed High Error 1................................................................ 40-275 Failure code [CA2311] IMV Solenoid Error ......................................................................... 40-276 Failure code [CA2349] EGR Valve Solenoid Open Error ...................................................... 40-277 Failure code [CA2353] EGR Valve Solenoid Short Error ...................................................... 40-279 Failure code [CA2357] EGR Valve Servo Error ................................................................... 40-281 Failure code [CA2373] Exhaust Manifold Press Sens High error........................................... 40-282 Failure code [CA2374] Exhaust Manifold Press Sens Low error ........................................... 40-284 Failure code [CA2375] EGR Orifice Temp Sens High Error .................................................. 40-286 Failure code [CA2376] EGR Orifice Temp Sens Low Error ................................................... 40-288 Failure code [CA2381] KVGT Pos Sens High Error ............................................................. 40-290 Failure code [CA2382] KVGT Pos Sens Low Error .............................................................. 40-292 Failure code [CA2383] KVGT Solenoid Open Error ............................................................. 40-295 Failure code [CA2386] KVGT Solenoid Short Error ............................................................. 40-297 Failure code [CA2387] KVGT Servo Error .......................................................................... 40-299 Failure code [CA2554] Exh Manifold Press Sens In Range Error .......................................... 40-300 Failure code [CA2555] Grid Htr Relay Volt Low Error ........................................................... 40-301 Failure code [CA2556] Grid Htr Relay Volt High Error .......................................................... 40-303 Failure code [CA2637] KDOC Face Plugging ..................................................................... 40-305 Failure code [CA2639] Manual Stationary Regeneration Request......................................... 40-307 Failure code [CA2961] EGR Orifice Temp High Error 1 ........................................................ 40-310 Failure code [CA2973] Chg Air Press Sensor In Range Error ............................................... 40-311 Failure code [CA3133] KDPF Outlet Press Sens High Error ................................................. 40-312 Failure code [CA3134] KDPF Outlet Press Sens Low Error .................................................. 40-314 Failure code [CA3135] KDPF Outlet Press Sens In Range Error .......................................... 40-316 Failure code [CA3251] KDOC Inlet Temp High Error ............................................................ 40-320 Failure code [CA3253] KDOC Temp Error - Non Regeneration ............................................. 40-323 Failure code [CA3254] KDOC Outlet Temp High Error 1 ...................................................... 40-326 Failure code [CA3255] KDPF Temp Error - Non Regeneration.............................................. 40-329 Failure code [CA3256] KDPF Outlet Temp High Error 1 ....................................................... 40-333 Failure code [CA3311] KDOC Outlet Temp High Error 2....................................................... 40-336 Failure code [CA3312] KDPF Outlet Temp High Error 2 ....................................................... 40-339 Failure code [CA3313] KDOC Inlet Temp Sensor Low Error ................................................. 40-342 Failure code [CA3314] KDOC Inlet Temp Sens High Error ................................................... 40-345 Failure code [CA3315] KDOC Inlet Temp Sens In Range Error ............................................. 40-349 Failure code [CA3316] KDOC Outlet Temp Sens Low Error ................................................. 40-353 Failure code [CA3317] KDOC Outlet Temp Sens High Error ................................................. 40-356 00-6 D61EX-23, D61PX-23

00 Index and foreword Index Failure code [CA3318] KDOC Outlet Temp Sens In Range Error .......................................... 40-360 Failure code [CA3319] KDPF Outlet Temp Sens High Error ................................................. 40-364 Failure code [CA3321] KDPF Outlet Temp Sens Low Error .................................................. 40-368 Failure code [CA3322] KDPF Outlet Temp Sens In Range Error ........................................... 40-371 Failure code [CA3419] Mass Air Flow Sensor Sup Volt High Error ........................................ 40-375 Failure code [CA3421] Mass Air Flow Sensor Sup Volt Low Error ......................................... 40-377 Failure code [CA3741] Rail Press Valve Trip Error............................................................... 40-379 Failure code [D130KA] Neutral relay Open ......................................................................... 40-380 Failure code [D130KB] Neutral relay Short circuit ................................................................ 40-382 Failure code [D130KY] Neutral relay: Hot Short .................................................................. 40-384 Failure code [D19JKZ] Personal Code Relay Abnormality.................................................... 40-386 Failure code [D811MC] KOMTRAX Error............................................................................ 40-389 Failure code [D862KA] GPS Antenna Open Circuit ............................................................. 40-390 Failure code [D8ALKA] Operating Lamp Open Circuit (KOMTRAX) ...................................... 40-391 Failure code [D8ALKB] Operating Lamp Short Circuit (KOMTRAX) ...................................... 40-393 Failure code [D8AQKR] CAN2 Discon (KOMTRAX) ............................................................ 40-394 Failure code [DAF0MB] Monitor ROM Abnormality .............................................................. 40-395 Failure code [DAF0MC] Monitor Error ................................................................................ 40-396 Failure code [DAF8KB] Camera Power Supply Short Circuit ................................................ 40-397 Failure code [DAF9KQ] Model Selection Abnormality .......................................................... 40-398 Failure code [DAFGMC] GPS Module Error ........................................................................ 40-399 Failure code [DAFLKA] Operating Lamp Open Circuit (Monitor) ........................................... 40-400 Failure code [DAFLKB] Operating Lamp Short Circuit (Monitor)............................................ 40-402 Failure code [DAFQKR] CAN2 Discon (Monitor) ................................................................. 40-403 Failure code [DAJ000] HST controller: Abnormality in controller ........................................... 40-404 Failure code [DAJ0KQ] HST controller: Type select signal ................................................... 40-405 Failure code [DAJ0KT] HST controller: Abnormality in controller ........................................... 40-406 Failure code [DAJ0MC] HST Con Error .............................................................................. 40-407 Failure code [DAJ1KK] HST controller: Source voltage low .................................................. 40-408 Failure code [DAJ2KK] HST controller: Output voltage low................................................... 40-410 Failure code [DAJ5KK] HST: Sensor volt 5V (0) Out of normal range .................................... 40-412 Failure code [DAJ6KK] HST: Sensor volt 5V (1) Out of normal range .................................... 40-414 Failure code [DAJLKA] Operating Lamp Open Circuit (HST Con) ......................................... 40-416 Failure code [DAJLKB] Operating Lamp Short Circuit (HST Con) ......................................... 40-418 Failure code [DAJPMA] Inconsistency of Option Selection (HST) ......................................... 40-419 Failure code [DAJQKR] CAN2 Discon (HST Con) ............................................................... 40-420 Failure code [DAJRKR] CAN1 Discon (HST Con) ............................................................... 40-421 Failure code [DB2QKR] CAN2 Discon (Engine Con) ........................................................... 40-422 Failure code [DB2RKR] CAN1 Discon (Engine Con) ........................................................... 40-426 Failure code [DD12KA] Shift up SW: Open ......................................................................... 40-430 Failure code [DD12KB] Shift up SW: Short Circuit ............................................................... 40-432 Failure code [DD13KA] Shift down SW: Open..................................................................... 40-434 Failure code [DD13KB] Shift down SW: Short Circuit ........................................................... 40-436 Failure code [DD14KA] Parking lever SW: Open ................................................................. 40-438 Failure code [DD14KB] Parking lever SW: Short circuit ........................................................ 40-440 Failure code [DDKAKA] Blade float Sw: Open .................................................................... 40-442 Failure code [DDKAKB] Blade float Sw: Short circuit ........................................................... 40-444 Failure code [DDKFL4] Left Angle Sw: Signal mismatch ...................................................... 40-446 Failure code [DDKGL4] Right Angle Sw: Signal mismatch ................................................... 40-448 Failure code [DDKHKA] iB Sw: Open ................................................................................. 40-450 Failure code [DDKHKB] iB Sw: Short circuit ........................................................................ 40-452 Failure code [DDNLKA] Weq lock Sw: Open....................................................................... 40-454 Failure code [DDNLKB] Weq lock Sw: Short circuit ............................................................. 40-456 Failure code [DDP6KA] Brake Pressure Sensor: Open ........................................................ 40-458 Failure code [DDP6KB] Brake Pressure Sensor: Hot Short .................................................. 40-460 Failure code [DDP6MA] Brake pressure sensor: Malfunction ............................................... 40-462 Failure code [DDU1FS] Parking lever Switch 2: Signal mismatch ......................................... 40-464 Failure code [DDU1KA] Parking lever Sw2: Open ............................................................... 40-466 Failure code [DDU1KY] Parking lever Sw2: Hot Short ......................................................... 40-468 D61EX-23, D61PX-23 00-7

00 Index and foreword Index Failure code [DFA4KX] Blade lift lever: Main and Sub Error ................................................. 40-470 Failure code [DFA4KZ] Blade lift lever: Main and Sub Error .................................................. 40-471 Failure code [DFA4L8] Blade lift lever: Signal mismatch ...................................................... 40-472 Failure code [DFA5KA] Blade lift lever1: Open .................................................................... 40-473 Failure code [DFA5KB] Blade lift lever1: Hot Short .............................................................. 40-476 Failure code [DFA6KA] Blade lift lever2: Open .................................................................... 40-478 Failure code [DFA6KB] Blade lift lever2: Hot Short .............................................................. 40-480 Failure code [DFA7KX] Blade tilt lever: Main and Sub Error ................................................. 40-482 Failure code [DFA7KZ] Blade tilt lever: Main and Sub Error .................................................. 40-483 Failure code [DFA7L8] Blade tilt lever: Signal mismatch ...................................................... 40-484 Failure code [DFA8KA] Blade tilt lever1: Open .................................................................... 40-485 Failure code [DFA8KB] Blade tilt lever1: Hot Short .............................................................. 40-488 Failure code [DFA9KA] Blade tilt lever2: Open .................................................................... 40-490 Failure code [DFA9KB] Blade tilt lever2: Hot Short .............................................................. 40-493 Failure code [DGS1KA] HST oil temp sensor: Open ............................................................ 40-495 Failure code [DGS1KX] HST oil temp sensor: Out of normal range ....................................... 40-497 Failure code [DH21KA] Weq pressure sensor: Open ........................................................... 40-498 Failure code [DH21KB] Weq pressure sensor: Hot Short ..................................................... 40-500 Failure code [DHA4KA] Air Cleaner Clog Sensor Open Circuit ............................................. 40-502 Failure code [DHH7KA] LF HST Pressure Sensor: Open ..................................................... 40-504 Failure code [DHH7KB] LF HST Pressure Sensor: Hot Short ............................................... 40-506 Failure code [DHH8KA] RF HST Pressure Sensor: Open .................................................... 40-508 Failure code [DHH8KB] RF HST Pressure Sensor: Hot Short............................................... 40-510 Failure code [DHH9KA] LR HST Pressure Sensor: Open..................................................... 40-512 Failure code [DHH9KB] LR HST Pressure Sensor: Hot Short ............................................... 40-514 Failure code [DHHAKA] RR HST Pressure Sensor: Open.................................................... 40-516 Failure code [DHHAKB] RR HST Pressure Sensor: Hot Short .............................................. 40-518 Failure code [DK30KA] ST lever1: Open ............................................................................ 40-520 Failure code [DK30KB] ST lever1: Hot Short....................................................................... 40-522 Failure code [DK30KX] ST lever: Main and Sub Error .......................................................... 40-524 Failure code [DK30KZ] ST lever: Main and Sub Error .......................................................... 40-525 Failure code [DK30L8] ST lever: Signal mismatch ............................................................... 40-526 Failure code [DK31KA] ST lever2: Open ............................................................................ 40-527 Failure code [DK31KB] ST lever2: Hot Short....................................................................... 40-529 Failure code [DK40KA] Decel/Brake potentiometer: Open ................................................... 40-531 Failure code [DK40KB] Decel/Brake potentiometer: Hot Short.............................................. 40-534 Failure code [DK55KX] FR lever: Main and Sub Error .......................................................... 40-536 Failure code [DK55KZ] FR lever: Main and Sub Error .......................................................... 40-537 Failure code [DK55L8] FR lever: Signal mismatch............................................................... 40-538 Failure code [DK56KA] FR lever1: Open ............................................................................ 40-539 Failure code [DK56KB] FR lever1: Hot Short ...................................................................... 40-541 Failure code [DK57KA] FR lever2: Open ............................................................................ 40-543 Failure code [DK57KB] FR lever2: Hot Short ...................................................................... 40-545 Failure code [DLM0KX] HST Motor Speed Sensor: Left/Right Error ...................................... 40-547 Failure code [DLM1KA] Left HST motor speed sensor: Open ............................................... 40-548 Failure code [DLM1KB] Left HST motor speed sensor: Short circuit ...................................... 40-550 Failure code [DLM1MA] Left HST motor speed sensor: Malfunction...................................... 40-552 Failure code [DLM2KA] Right HST motor speed sensor: Open ............................................. 40-553 Failure code [DLM2KB] Right HST motor speed sensor: Short circuit ................................... 40-555 Failure code [DLM2MA] Right HST motor speed sensor: Malfunction ................................... 40-557 Failure code [DLM3KA] Fan rev. sensor: Open ................................................................... 40-558 Failure code [DLM3KB] Fan rev. sensor: Short circuit .......................................................... 40-560 Failure code [DLM3MB] Fan control: Mismatch ................................................................... 40-562 Failure code [DN21FS] Decel/Brake pedal SW: Signal mismatch ......................................... 40-563 Failure code [DR21KX] Camera 2 Picture Rev. Drive Abnormality ........................................ 40-565 Failure code [DR31KX] Camera 3 Picture Rev. Drive Abnormality ........................................ 40-566 Failure code [DV20KB] Back-up alarm: Short circuit ............................................................ 40-567 Failure code [DW4BKA] Parking brake solenoid: Open........................................................ 40-569 Failure code [DW4BKB] Parking brake solenoid: Short circuit .............................................. 40-571 00-8 D61EX-23, D61PX-23

You're Reading a Preview

Komatsu D61EX-23, D61PX-23 Bulldozer Service Repair Workshop Manual (SN: 30001 and up)

Description

Reviews

Q&A

Recently Viewed