SHOP MANUAL CX50 Series
1
Komatsu Utility Co.,Ltd.
Product Support Div.
PRINTED IN JAPAN
KOMATSU FORKLIFT
BEC10E1-01
FORKLIFT TRUCK
CX50 Series
FOR GENERAL
FG40Z-10 M251-133001 and up
FG35/40/45/50A-10 M253-133001 and up
FD40Z-10 M250-133001 and up
FD35/40/45/50A-10 M252-133001 and up
FD40ZY-10 M250-133001 and up
FD35Y/40Y/45Y/50AY-10 M252-133001 and up
FOR USA
FG40ZU-10 M251-133001 and up
FG40U/45U/50AU-10 M253-133001 and up
FD40ZU-10 M250-133001 and up
FD40U/45U/50AU-10 M252-133001 and up
CX50 Series 00-100 1
BEC10E1-01AA
FORKLIFT TRUCK
CX50 Series
Applicable model Serial number
For general
FG40Z-10 M251-133001 and up
FG35/40/45/50A-10 M253-133001 and up
FD40Z-10 M250-133001 and up
FD35/40/45/50A-10 M252-133001 and up
FD40ZY-10 M250-133001 and up
FD35Y/40Y/45Y/50AY-10 M252-133001 and up
For USA
FG40ZU-10 M251-133001 and up
FG40U/45U/50AU-10 M253-133001 and up
FD40ZU-10 M250-133001 and up
FD40U/45U/50AU-10 M252-133001 and up
00 Index and foreword
100 Index
Composition of shop manual .......................................................................................................................... 2
Table of contents ............................................................................................................................................. 4
BEC10E1-01AA
00-100 2 CX50 Series
100 Index
Composition of shop manual
Composition of shop manual 1
The contents of this shop manual are shown together with Form No. in a list.
Section Title Form Number
Shop Manual, contents binder, binder label and tabs BEC10E1-01
00 Index and foreword BEC10E1-01A
100 Index BEC10E1-01AA
200 Foreword and general information BEC10E1-01AB
01 Outline BEC10E1-01B
100 Specifications BEC10E1-01BA
10 Structure, function and maintenance standard BEC10E1-01C
100 Engine and cooling system BEC10E1-01CA
200 Power train BEC10E1-01CB
300 Steering system BEC10E1-01CC
400 Brake system BEC10E1-01CD
500 Undercarriage and frame BEC10E1-01CE
600 Hydraulic system BEC10E1-01CF
700 Work equipment BEC10E1-01CG
801 Electric devices (Part 1) BEC10E1-01CH
802 Electric devices (Part 2) BEC10E1-01CI
20 Standard value table BEC10E1-01D
100 Standard value table BEC10E1-01DA
30 Testing and adjusting BEC10E1-01E
100 Testing and adjusting BEC10E1-01EA
40 Troubleshooting BEC10E1-01F
100 General information on troubleshooting BEC10E1-01FA
201 Troubleshooting by failure code (ISO controller system (*)) (Part 1) BEC10E1-01FB
202 Troubleshooting by failure code (ISO controller system (*)) (Part 2) BEC10E1-01FC
203 Troubleshooting by failure code (EPACS controller system) (Part 3) BEC10E1-01FD
301 Troubleshooting of electrical system (E-mode) (Part 1) BEC10E1-01FE
302 Troubleshooting of electrical system (E-mode) (Part 2) BEC10E1-01FF
303 Troubleshooting of electrical system (E-mode) (Part 3) BEC10E1-01FG
304 Troubleshooting of electrical system (E-mode) (Part 4) BEC10E1-01FH
305 Troubleshooting of electrical system (E-mode) (Part 5) BEC10E1-01FI
400 Troubleshooting of hydraulic and mechanical system (H-mode) BEC10E1-01FJ
*: Operator Presence Sensing (OPS) system
50 Disassembly and assembly BEC10E1-01G
100 General information on disassembly and assembly BEC10E1-01GA
200 Engine and cooling system BEC10E1-01GB
300 Power train BEC10E1-01GC
400 Hydraulic equipment BEC10E1-01GD
BEC10E1-01AA
CX50 Series 00-100 3
100 Index
Composition of shop manual
500 Work equipment BEC10E1-01GE
600 Electric devices BEC10E1-01GF
80 Yearly inspection criteria BEC10E1-01H
100 Yearly inspection criteria BEC10E1-01HA
90 Diagrams and drawings BEC10E1-01J
100 Hydrauric circuit diagrams BEC10E1-01JA
200 Electrical diagrams and drawings BEC10E1-01JB
BEC10E1-01AA
00-100 4 CX50 Series
100 Index
Table of contents
Table of contents 1
00 Index and foreword
100 Index BEC10E1-01AA
Composition of shop manual ....................................................................................................... 2
Table of contents ......................................................................................................................... 4
200 Foreword and general information BEC10E1-01AB
Safety notice................................................................................................................................ 2
How to read the shop manual ..................................................................................................... 13
Explanation of terms for maintenance standard .......................................................................... 15
Handling of electric equipment and hydraulic component ........................................................... 17
Handling of connectors newly used for engines .......................................................................... 26
How to read electric wire code .................................................................................................... 29
Precautions when carrying out operation .................................................................................... 32
Standard tightening torque table ................................................................................................. 35
Conversion table ......................................................................................................................... 39
01 Outline
100 Specifications BEC10E1-01BA
Specification dimension drawing ................................................................................................. 2
Weight table ................................................................................................................................ 13
Lubricant list ................................................................................................................................ 14
10 Structure, function and maintenance standard
100 Engine and cooling system BEC10E1-01CA
Cooling system (Lift truck with SAA4D95LE-5-A/S4D95LE-3 engine) ........................................ 2
Cooling system (Lift truck with EBT-TB45-1A/2A/3A engine) ...................................................... 4
Brake cooling system hydraulic piping diagram .......................................................................... 6
200 Power train BEC10E1-01CB
Power train .................................................................................................................................. 2
Power train system diagram........................................................................................................ 3
Torque converter ......................................................................................................................... 5
Transmission ............................................................................................................................... 13
Transmission control valve .......................................................................................................... 27
Relief valve .................................................................................................................................. 31
Drive shaft ................................................................................................................................... 32
Front axle .................................................................................................................................... 34
Differential ................................................................................................................................... 35
Final drive .................................................................................................................................... 40
300 Steering system BEC10E1-01CC
Steering piping diagram (control valve power steering cylinder) .............................................. 2
Orbit-roll valve ............................................................................................................................. 3
Power steering cylinder ............................................................................................................... 5
400 Brake system BEC10E1-01CD
Brake control ............................................................................................................................... 2
Brake piping diagram (control valve accumulator) ................................................................... 3
Service brake .............................................................................................................................. 4
Accumulator charge valve ........................................................................................................... 6
Brake valve.................................................................................................................................. 12
Slack adjuster .............................................................................................................................. 16
Accumulator (for brake) ............................................................................................................... 20
Parking brake .............................................................................................................................. 21
500 Undercarriage and frame BEC10E1-01CE
Rear axle ..................................................................................................................................... 2
Hydraulic tank piping diagram ..................................................................................................... 3
BEC10E1-01AA
CX50 Series 00-100 5
100 Index
Table of contents
600 Hydraulic system BEC10E1-01CF
Control valve piping diagram (tank control valve) .................................................................... 2
Work equipment piping diagram (control valve tilt cylinder/lift cylinder) ................................... 3
Attachment piping diagram ......................................................................................................... 4
Work equipment and steering pump ........................................................................................... 6
Control valve ............................................................................................................................... 14
CLSS ........................................................................................................................................... 20
Each function and operation of each valve ................................................................................. 22
700 Work equipment BEC10E1-01CG
Tilt cylinder .................................................................................................................................. 2
Lift cylinder .................................................................................................................................. 3
Mast ............................................................................................................................................ 4
Fork carriage ............................................................................................................................... 11
Fork ............................................................................................................................................. 12
801 Electric devices (Part 1) BEC10E1-01CH
Accelerator pedal sensor ............................................................................................................ 2
ISO controller (Operator Presence Sensing (OPS) system) ....................................................... 4
EPACS controller ........................................................................................................................ 11
Instrument panel ......................................................................................................................... 13
Engine starting circuit .................................................................................................................. 15
Engine stopping circuit ................................................................................................................ 17
Electrical system wiring diagram ................................................................................................. 18
802 Electric devices (Part 2) BEC10E1-01CI
Sensors ....................................................................................................................................... 2
Switches ...................................................................................................................................... 6
Lamps ......................................................................................................................................... 13
Horn and buzzer.......................................................................................................................... 16
Flasher ........................................................................................................................................ 19
F/R solenoid valve and F2 solenoid valve................................................................................... 20
Relay box .................................................................................................................................... 21
Resistor ....................................................................................................................................... 27
Diode ........................................................................................................................................... 28
Fuse ............................................................................................................................................ 40
Battery ......................................................................................................................................... 42
20 Standard value table
100 Standard value table BEC10E1-01DA
Standard value table ................................................................................................................... 2
30 Testing and adjusting
100 Testing and adjusting BEC10E1-01EA
Check of troubleshooting software functions and failure codes .................................................. 3
Hydraulic piping pressure release procedure.............................................................................. 6
Replacement of engine oil and engine oil filter ........................................................................... 7
Replacement of fuel filter ............................................................................................................ 9
Cleaning of radiator ..................................................................................................................... 12
Check of air cleaner and replacement of cleaner element .......................................................... 13
Oil level check and oil replacement of differential case .............................................................. 14
Oil replacement and strainer cleaning of TORQFLOW transmission .......................................... 15
Testing power train oil pressure .................................................................................................. 16
Check of hydraulic tank ............................................................................................................... 20
Measurement of wear amount of service brake disc................................................................... 22
Check of parking brake ............................................................................................................... 23
Air bleeding procedure ................................................................................................................ 24
Adjustment of brake pedal .......................................................................................................... 26
Adjustment of inching pedal ........................................................................................................ 27
BEC10E1-01AA
00-100 6 CX50 Series
100 Index
Table of contents
Initialization of orbit-roll valve ...................................................................................................... 28
Measurement of cylinder hydraulic drift and hydraulic forward drift ............................................ 29
Adjustment of mast...................................................................................................................... 30
Adjustment of fork carriage ......................................................................................................... 33
Check of drive shaft for looseness, play and damage................................................................. 35
Check of diode ............................................................................................................................ 36
40 Troubleshooting
100 General information on troubleshooting BEC10E1-01FA
Points to remember when troubleshooting .................................................................................. 2
Sequence of events in troubleshooting ....................................................................................... 3
Testing before troubleshooting .................................................................................................... 4
Classification and procedures of troubleshooting........................................................................ 5
Phenomena looking like troubles and troubleshooting No. ......................................................... 6
Information contained in troubleshooting table............................................................................ 16
Locations of fuses ....................................................................................................................... 18
201 Troubleshooting by failure code (ISO controller system (*)) (Part 1) BEC10E1-01FB
Failure code display by ISO controller......................................................................................... 2
Failure code [[!]: 1 flashing, [N]: Flashing, [L]: Flashing] Seat switch trouble ............................. 6
Failure code [[!]: 2 flashings, [N]: Flashing, [L]: OFF] F/R lever trouble ..................................... 8
Failure code [[!]: 3 flashings, [N]: OFF, [L]: OFF] Parking brake reminder buzzer output
abnormality or N (neutral) lamp and lift interlock warning lamp output abnormality ............. 10
Failure code [[!]: 4 flashings, [N]: OFF, [L]: Flashing]
Lift interlock relay output abnormality (1) ............................................................................. 14
Failure code [[!]: 4 flashings, [N]: Flashing, [L]: Flashing]
Lift interlock relay output abnormality (2) ............................................................................. 16
Failure code [[!]: 5 flashings, [N]: OFF, [L]: Flashing]
Travel interlock relay output abnormality (1) ........................................................................ 18
Failure code [[!]: 5 flashings, [N]: Flashing, [L]: Flashing]
Travel interlock relay output abnormality (2) ........................................................................ 20
Failure code [[!]: 6 flashings, [N]: Flashing, [L]: Flashing] Main relay output abnormality .......... 22
Failure code [[!]: 7 flashings, [N]: Flashing, [L]: Flashing] Controller abnormality ...................... 24
202 Troubleshooting by failure code (ISO controller system (*)) (Part 2) BEC10E1-01FC
Failure code display by ISO controller......................................................................................... 2
Failure code [[!]: 1 flashing, [N]: Flashing, [L]: Flashing] Seat switch trouble ............................. 6
Failure code [[!]: 2 flashings, [N]: Flashing, [L]: OFF] F/R lever trouble ..................................... 8
Failure code [[!]: 3 flashings, [N]: OFF, [L]: OFF] Parking brake reminder buzzer output
abnormality or N (neutral) lamp and lift interlock warning lamp output abnormality ............. 10
Failure code [[!]: 4 flashings, [N]: OFF, [L]: Flashing]
Lift interlock relay output abnormality (1) ............................................................................. 14
Failure code [[!]: 4 flashings, [N]: Flashing, [L]: Flashing]
Lift interlock relay output abnormality (2) ............................................................................. 16
Failure code [[!]: 5 flashings, [N]: OFF, [L]: Flashing]
Travel interlock relay output abnormality (1) ........................................................................ 18
Failure code [[!]: 5 flashings, [N]: Flashing, [L]: Flashing]
Travel interlock relay output abnormality (2) ........................................................................ 20
Failure code [[!]: 6 flashings, [N]: Flashing, [L]: Flashing] Main relay output abnormality .......... 22
Failure code [[!]: 7 flashings, [N]: Flashing, [L]: Flashing] Controller abnormality ...................... 24
203 Troubleshooting by failure code (EPACS controller system) (Part 3) BEC10E1-01FD
Display of EPACS controller failure code .................................................................................... 2
Failure code [LED: OFF] EPACS controller abnormality ............................................................. 3
Failure code [LED: 1 flashing] Initialization is not completed ...................................................... 4
Failure code [LED: 2 flashings] Controller is being initialized...................................................... 5
Failure code [LED: 3 flashings] Steering wheel angle sensor abnormality.................................. 6
Failure code [LED: 4 flashings] Tyre angle sensor abnormality .................................................. 8
BEC10E1-01AA
CX50 Series 00-100 7
100 Index
Table of contents
301 Troubleshooting of electrical system (E-mode) (Part 1) BEC10E1-01FE
E-1 Engine does not start ............................................................................................................ 2
E-2 Engine does not stop ............................................................................................................ 6
E-3 Lift truck cannot travel .......................................................................................................... 8
E-4 Parking brake reminder alarm does not sound or does not stop sounding .......................... 11
E-5 Travel direction is not changed normally .............................................................................. 14
E-6 Lift truck cannot move work equipment ................................................................................ 18
E-7 Work equipment cannot be locked ....................................................................................... 20
E-8 EPACS is abnormal .............................................................................................................. 22
E-9 Headlamp, clearance lamp, tail lamp and license plate lamp do not light or go off .............. 24
E-10 Turn signal lamps do not light or go off ............................................................................... 26
E-11 Brake lamps do not light or go off ....................................................................................... 28
E-12 Backup lamps do not light or go off .................................................................................... 30
E-13 Backup buzzer does not sound or does not stop sounding ................................................ 32
E-14 Horn does not sound or does not stop sounding ................................................................ 34
E-15 Fuel level is not displayed normally .................................................................................... 36
302 Troubleshooting of electrical system (E-mode) (Part 2) BEC10E1-01FF
E-1 Engine does not start ............................................................................................................ 2
E-2 Engine does not stop ............................................................................................................ 12
E-3 Lift truck cannot travel .......................................................................................................... 14
E-4 Parking brake reminder alarm does not sound or does not stop sounding .......................... 14
E-5 Travel direction is not changed normally .............................................................................. 14
E-6 Lift truck cannot move work equipment ................................................................................ 14
E-7 Work equipment cannot be locked ....................................................................................... 14
E-8 EPACS is abnormal .............................................................................................................. 14
E-9 Headlamp, clearance lamp, tail lamp and license plate lamp do not light or go off .............. 14
E-10 Turn signal lamps do not light or go off ............................................................................... 15
E-11 Brake lamps do not light or go off ....................................................................................... 15
E-12 Backup lamps do not light or go off .................................................................................... 15
E-13 Backup buzzer does not sound or does not stop sounding ................................................ 15
E-14 Horn does not sound or does not stop sounding ................................................................ 15
E-15 Fuel (Gasoline) level is not displayed normally .................................................................. 15
303 Troubleshooting of electrical system (E-mode) (Part 3) BEC10E1-01FG
E-1 Engine does not start ............................................................................................................ 2
E-2 Engine does not stop ............................................................................................................ 8
E-3 Engine preheater does not operate normally ....................................................................... 10
E-4 Lift truck cannot travel .......................................................................................................... 12
E-5 Parking brake reminder alarm does not sound or does not stop sounding .......................... 16
E-6 Travel direction is not changed normally .............................................................................. 18
E-7 Lift truck cannot move work equipment ................................................................................ 22
E-8 Work equipment cannot be locked ....................................................................................... 28
E-9 EPACS is abnormal .............................................................................................................. 34
E-10 Headlamp, clearance lamp and tail lamp do not light or go off ........................................... 36
E-11 Turn signal lamps do not light or go off ............................................................................... 38
E-12 Brake lamps do not light or go off ....................................................................................... 38
E-13 Backup lamps do not light or go off .................................................................................... 38
E-14 Backup buzzer does not sound or does not stop sounding ................................................ 38
E-15 Horn does not sound or does not stop sounding ................................................................ 38
E-16 Fuel level is not displayed normally .................................................................................... 38
304 Troubleshooting of electrical system (E-mode) (Part 4) BEC10E1-01FH
E-1 Engine does not start ............................................................................................................ 2
E-2 Engine does not stop ............................................................................................................ 6
E-3 Lift truck cannot travel .......................................................................................................... 8
E-4 Parking brake reminder alarm does not sound or does not stop sounding .......................... 11
E-5 Travel direction is not changed normally .............................................................................. 14
E-6 Lift truck cannot move work equipment ................................................................................ 18
E-7 Work equipment cannot be locked ....................................................................................... 20
BEC10E1-01AA
00-100 8 CX50 Series
100 Index
Table of contents
E-8 Headlamp, clearance lamp and tail lamp do not light or go off ............................................. 22
E-9 Turn signal lamps do not light or go off ................................................................................. 24
E-10 Brake lamps do not light or go off ....................................................................................... 26
E-11 Backup lamps do not light or go off ..................................................................................... 28
E-12 Backup buzzer does not sound or does not stop sounding (Option) .................................. 30
E-13 Horn does not sound or does not stop sounding ................................................................ 32
E-14 Fuel level is not displayed normally .................................................................................... 34
305 Troubleshooting of electrical system (E-mode) (Part 5) BEC10E1-01FI
E-1 Engine does not start ............................................................................................................ 2
E-2 Engine does not stop ............................................................................................................ 10
E-3 Lift truck cannot travel ........................................................................................................... 12
E-4 Parking brake reminder alarm does not sound or does not stop sounding .......................... 12
E-5 Travel direction is not changed normally .............................................................................. 12
E-6 Lift truck cannot move work equipment ................................................................................ 12
E-7 Work equipment cannot be locked ....................................................................................... 12
E-8 Headlamp, clearance lamp and, tail lamp do not light or go off ............................................ 12
E-9 Turn signal lamps do not light or go off ................................................................................. 12
E-10 Brake lamps do not light or go off ....................................................................................... 13
E-11 Backup lamps do not light or go off ..................................................................................... 13
E-12 Backup buzzer does not sound or does not stop sounding (Option) .................................. 13
E-13 Horn does not sound or does not stop sounding ................................................................ 13
E-14 Fuel (Gasoline) level is not displayed normally .................................................................. 13
400 Troubleshooting of hydraulic and mechanical system (H-mode) BEC10E1-01FJ
Method of using troubleshooting table ........................................................................................ 4
Table of failure modes and causes .............................................................................................. 6
H-1 Lift truck does not start ......................................................................................................... 12
H-2 Travel speed is low, rush force is low, gradeability is low and/or gear is not shifted ............ 13
H-3 Large shocks are made when lift truck starts and gear is shifted ......................................... 14
H-4 Long time lag is made when lift truck starts and gear is shifted ........................................... 15
H-5 Torque converter oil temperature is high .............................................................................. 16
H-6 Lift truck does not turn .......................................................................................................... 17
H-7 Response is low during turning ............................................................................................ 18
H-8 Steering is heavy .................................................................................................................. 19
H-9 Lift truck is unstable or large shock is made when it turns ................................................... 20
H-10 Right and left turning radii are different............................................................................... 21
H-11 When steering wheel is released it does not return to neutral or it rotates by itself ............ 21
H-12 Steering wheel is turned in reverse or it kicks .................................................................... 21
H-13 EPACS does not work ........................................................................................................ 22
H-14 Steering wheel vibrates ...................................................................................................... 23
H-15 Steering system makes abnormal sound............................................................................ 23
H-16 Oil leaks from steering circuit ............................................................................................. 23
H-17 Service brake does not work or its performance is low ...................................................... 24
H-18 Service brake is not reset or it drags .................................................................................. 25
H-19 Parking brake does not work or its performance is low ...................................................... 26
H-20 Parking brake is not reset or it drags .................................................................................. 27
H-21 Lift cylinder and fork do not lift ............................................................................................ 28
H-22 Lifting speed or force of lift cylinder and fork is insufficient................................................. 29
H-23 Fork lifting speed lowers at specific height ......................................................................... 30
H-24 Lift cylinder cannot lift load ................................................................................................. 30
H-25 Lift cylinder natural drift is large .......................................................................................... 30
H-26 Fork lowering speed is too high .......................................................................................... 31
H-27 Mast does not tilt forward or backward ............................................................................... 32
H-28 Forward/backward tilting speed or force of mast is insufficient .......................................... 33
H-29 Tilting speed lowers halfway ............................................................................................... 34
H-30 Tilt cylinder cannot lift load ................................................................................................. 34
H-31 Tilt cylinder natural forward drift is large ............................................................................. 34
H-32 Mast is unstable during travel with load.............................................................................. 34
BEC10E1-01AA
CX50 Series 00-100 9
100 Index
Table of contents
H-33 Lift and tilt levers do not move smoothly and they are heavy ............................................. 35
H-34 Engine speed lowers remarkably or engine stalls when work equipment is operated ....... 36
H-35 Large shocks are made when work equipment is started and stopped ............................. 36
H-36 Another part of work equipment moves when work equipment is relieved singly .............. 36
H-37 Work equipment speed or force is low ............................................................................... 37
H-38 When work equipment and steering are operated, engine speed lowers remarkably
or engine stalls ..................................................................................................................... 37
H-39 Work equipment and steering system do not move ........................................................... 38
H-40 Abnormal sound is heard from around work equipment and steering pump ...................... 38
H-41 Work equipment fine control performance is low or response is low.................................. 39
H-42 Work equipment is not locked (It operates while operator is not in operator seat)
or only work equipment does not move ............................................................................... 39
H-43 Work equipment (lift-up) does not move, moves but slow or moves but force is low ......... 40
H-44 Lift cylinder drift is large (while operator is not in operator seat) ........................................ 41
H-45 Lift cylinder drift is large (while operator is in operator seat) .............................................. 41
H-46 Work equipment (lift-down) lowering speed is low or high or fine control performance is
low or response is low.......................................................................................................... 42
H-47 Fork does not lower ............................................................................................................ 43
H-48 Mast does not tilt/tilts but slow/tilts but force is low ............................................................ 44
H-49 Tilt cylinder natural forward drift is large ............................................................................. 44
H-50 Attachment does not move/moves but low/moves but force is low .................................... 45
H-51 Attachment cylinder natural drift is large ............................................................................ 45
H-52 Steering is heavy ................................................................................................................ 46
H-53 Large shock is made when steering wheel is returned ...................................................... 46
H-54 Work equipment is heavy when work equipment and steering are
operated simultaneously ...................................................................................................... 47
H-55 Steering is heavy when work equipment and steering are operated simultaneously ......... 47
50 Disassembly and assembly
100 General information on disassembly and assembly BEC10E1-01GA
Method of using this manual ....................................................................................................... 2
Special tool list ............................................................................................................................ 3
How to use LOCTITE .................................................................................................................. 7
200 Engine and cooling system BEC10E1-01GB
Removal and installation of power train ...................................................................................... 2
300 Power train BEC10E1-01GC
Removal and installation of front axle ......................................................................................... 2
Centering of power train .............................................................................................................. 7
Disassembly and assembly of transmission ............................................................................... 10
Disassembly and assembly of torque converter ......................................................................... 16
Disassembly and assembly of drive shaft ................................................................................... 21
Disassembly and assembly of differential ................................................................................... 22
Disassembly and assembly of axle housing assembly ............................................................... 34
Disassembly and assembly of parking brake .............................................................................. 43
Disassembly and assembly of rear axle...................................................................................... 44
Disassembly and assembly of power steering cylinder............................................................... 47
Disassembly and assembly of brake pedal ................................................................................. 50
Disassembly and assembly of brake valve ................................................................................. 51
400 Hydraulic equipment BEC10E1-01GD
Disassembly and assembly of steering valve ............................................................................. 2
Disassembly and assembly of control valve assembly ............................................................... 9
Removal and installation of lift cylinder ....................................................................................... 15
Disassembly and assembly of lift cylinder ................................................................................... 17
Disassembly and assembly of tilt cylinder................................................................................... 19
500 Work equipment BEC10E1-01GE
Removal and installation of mast ................................................................................................ 2
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Komatsu FG-FD-All-10-Serie Forklift Truck Service Repair Workshop Manual (CX50 Series)
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Description
This Komatsu CX50 Series Forklift Truck Shop Manual is designed with easy-to-read text sections and top-quality diagrams and instructions. It is specifically crafted for both do-it-yourself enthusiasts and experienced mechanics. The manual provides step-by-step instructions and highly detailed exploded pictures and diagrams to assist in completing the required job correctly and efficiently. It offers comprehensive guidance based on the complete disassembly of the machine, accompanied by hundreds of photos and illustrations to lead the reader through each service and repair procedure.
The manual comes in PDF format, compatible with all PC-based Windows operating systems and Mac. All pages are printable, making it a cost-effective resource for maintaining the vehicle's proper functionality.
Applicable model Serial Number:
- For general:
- FG40Z-10: M251-133001 and up
- FG35/40/45/50A-10: M253-133001 and up
- FD40Z-10: M250-133001 and up
- FD35/40/45/50A-10: M252-133001 and up
- FD40ZY-10: M250-133001 and up
- FD35Y/40Y/45Y/50AY-10: M252-133001 and up
- For USA:
- FG40ZU-10: M251-133001 and up
- FG40U/45U/50AU-10: M253-133001 and up
- FD40ZU-10: M250-133001 and up
- FD40U/45U/50AU-10: M252-133001 and up
Service Repair Manual Covers:
- Index and foreword
- Outline
- Structure, function, and maintenance standard
- Standard value table
- Testing and adjusting
- Troubleshooting
- Disassembly and assembly
- Yearly inspection criteria
- Diagrams and drawings
- And More......
==============================================
File Type: PDF
Requirements: PDF Reader
Language: English
This manual contains specifications, diagrams, actual real photo illustrations, and schemes. The PDF format offers the advantage of space savings and a Search feature in Acrobat, allowing users to find specific information and print out exact pages as needed. The manual covers all aspects of repair, with detailed substeps, notes, cautions, warnings, numbered instructions, bold figure numbers, detailed illustrations, drawings, photos, and an easy-to-use numbered table of contents for quick access to the required information.
