New Holland L160, L170 Skid Steer Loader Service Repair Workshop Manual

E C N A M R O F R E P N E V O R P L160 L170 L160 L170 Workshop Manual Workshop Manual Print No. 87634734 y l a t I n i d e t n i r P - English

L160, L170 REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL INFORMATION ...................................................................................................... 3 SECTION 10 - ENGINE .................................................................................................................................... 4 SECTION 27 - REAR DRIVE AXLE (GEARBOXES)....................................................................................... 6 SECTION 29 - HYDROSTATIC TRANSMISSION ........................................................................................... 6 SECTION 33 - BRAKES AND CONTROLS..................................................................................................... 8 SECTION 35 - HYDRAULIC SYSTEM ............................................................................................................. 9 SECTION 37 - TOWING HOOKS AND BALLASTING .................................................................................. 11 SECTION 39 - FRAMES................................................................................................................................. 11 SECTION 44 - AXLES AND WHEELS........................................................................................................... 12 SECTION 50 - CAB CLIMATE CONTROL .................................................................................................... 12 SECTION 55 - ELECTRICAL SYSTEM ......................................................................................................... 13 SECTION 82 - FRONT LOADER (BOOM AND MOUNTING PLATE) .......................................................... 15 SECTION 88 - ACCESSORIES...................................................................................................................... 16 SECTION 90 - PLATFORMS, CAB, BODYWORK, AND DECALS .............................................................. 17 The following pages are the collation of the contents pages from each section and chapter of the L160, L170 Repair Manual. Complete Repair Manual part # 87634733. The sections used through out all New Holland product Repair Manuals may not be used for each product. Each Repair Manual will be made up of one or several books. Each book will be labeled as to which sections are in the overall Repair Manual and the sections that each book contains. The sections listed above are the sections utilized for the L160, L170 Skid Steer. © CNH AMERICA LLC 245 E NORTH AVENUE CAROL STREAM, IL 60188 U.S.A. 1 87634734 05/07

634735 . .

SECTION 10 – ENGINE BOOK 1 - 87634735 Chapter 1 – L160 - N844, L170 - N844T CONTENTS Section Description Page 10 000 General Engine Information 10-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Description 10-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Component Descriptions 10-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Model and Serial Number Location 10-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharger Lubrication 10-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Precautions 10-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Engine Specifications 10-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting 10-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L170 - Excessive Oil Consumption 10-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications - Service Standards 10-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Torque Specifications 10-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Components Electrical Diagram 10-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 10 Engine Removal 10-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 53 Engine Disassembly Sequence 10-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Component Maintenance 10-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 101 55 Valve Seat 10-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 101 56 Cylinder Block 10-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 105 22 Piston and Piston Rings 10-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Rod 10-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 103 10 Bearing Holder 10-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front Crankshaft Bearing (Bushing) 10-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 103 30 Crankshaft 10-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 103 76 Flywheel and Ring Gear 10-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 106 40 Camshaft Assembly 10-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 106 66 Camshaft Gear and Bearing Assembly 10-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Timing Gear 10-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 304 41 Oil Pump 10-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 304 10 Oil Filter 10-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 402 28 Water Pump Assembly and Thermostat Housing 10-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 402 30 Thermostat 10-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 230 24 Governor 10-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Governor Operation 10-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

10 304 38 Engine Reassembly Sequence 10-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft and Bearing Holder Assembly 10-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Oil Seal 10-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Backplate/Flywheel Housing 10-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flywheel 10-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Piston and Connecting Rod 10-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Intake and Oil Strainer 10-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Sump 10-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dipstick and Tube 10-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Front Plate 10-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Idler Gear and Oil Pump Assembly 10-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Timing Gear Case Installation 10-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft Pulley 10-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Injection Pump Installation 10-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjusting the Fuel Injection Timing 10-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spill Timing Procedure 10-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 100 50 Reinstallation of Engine into Skid Steer Frame 10-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Operate the Engine After Overhaul 10-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling System 10-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling System Operation 10-78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water Pump Assembly and Thermostat Housing 10-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Radiator 10-80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel System 10-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Specifications 10-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diesel Fuel 10-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diesel Fuel Storage 10-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel System Components 10-83 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Guage 10-84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cold Start Aid 10-85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Filter System 10-85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Priming the Fuel System 10-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel System Testing 10-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel System Components 10-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 236 08 Fuel Injection Timing 10-96 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharger - L170 N844T Engine 10-101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 250 30 Turbocharger Removal 10-103 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Miscellaneous Engine Electrical 10-116 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 223 10 Shut-off Solenoid 10-117 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special Tools 10-119 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Labor Guide 10-120 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SECTION 27 – REAR DRIVE AXLE (GEARBOXES) BOOK 2 - 87634738 Chapter 1 – Gearboxes CONTENTS Section Description Page 27 000 General Information 27-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications 27-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting 27-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Testing 27-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 126 Gearboxes 27-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 126 40 Gearbox Removal and Inspection 27-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 126 48 Gearbox Disassembly 27-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gearbox Parts Inspection 27-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gearbox Resassembly 27-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 126 40 Gearbox Resinstallation 27-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Labor Guide 27-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 29 - HYDROSTATIC TRANSMISSION BOOK 2 - 87634738 Chapter 1 - Neutralizer, Pumps, Motors CONTENTS Section Description Page 29 100 General Information 29-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 29-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications 29-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 100 01 Troubleshooting 29-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic Drive System Testing 29-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic System Oil Flow 29-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic Charge System Pressure Test 29-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic Pump Case Drain Test 29-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic Pump High Pressure Test 29-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

29 100 15 Right Control Handle With Auxiliary or Bucket Control Disassembly......................................29-107 Right Control Handle With Auxiliary or Bucket Control Inspection..........................................29-109 Right Control Handle With Auxiliary or Bucket Control Reassembly......................................29-110 Right Control Handle With Auxiliary or Bucket Control Reinstallation.....................................29-113 29 130 06 Drive Control Adjustment Procedure.......................................................................................29-115 29 130 06 Neutral Adjustment..................................................................................................................29-116 Labor Guide.............................................................................................................................29-118 Machines Equipped With ISO Pattern Pilot Controls...............................................................29-121 Pilot Control Travel System Overview......................................................................................29-121 Specifications...........................................................................................................................29-142 Troubleshooting........................................................................................................................29-143 Check 1 - Checking the DA Pressure.......................................................................................29-144 Check 2 - Checking Charge Pressure/Flow..............................................................................29-146 Check 3 - Checking Circuit Relief Valve Pressure....................................................................29-147 Pump Adjustments...................................................................................................................29-148 Pump Removal.........................................................................................................................29-149 Pump Installation.......................................................................................................................29-153 Pump Disassembly....................................................................................................................29-156 Pump Assembly........................................................................................................................29-173 Pilot Control Travel Lever Removal..........................................................................................29-189 Pilot Control Travel Lever Installation........................................................................................29-193 Illustration - Hydrostatic System (Machines Equipped With Pilot Controls)..............................29-195 Procedure to Bleed Air From the Pilot Control Hydraulic System.............................................29-196 SECTION 33 - BRAKES AND CONTROLS BOOK 2 - 87634738 Chapter 1 - Parking Brake Contents Section Description Page 33 000 General Information......................................................................................................................33-2 Specifications................................................................................................................................33-4 Troubleshooting............................................................................................................................33-5 Testing..........................................................................................................................................33-7 33 110 Parking Brake...............................................................................................................................33-8 Parking Brake Removal and Installation.......................................................................................33-9 Labor Guide................................................................................................................................33-22 8

SECTION 35 - HYDRAULIC SYSTEM BOOK -3 - 87634740 Chapter 1 - Valves, Gear Pump, Cylinders, and Pedal Controls Contents Section Description Page 35 000 - General Information .............................................................................................................................................. 35-3 Hydraulic System Compatibility ............................................................................................................................ 35-4 Boom Cylinder Pivot Pins ..................................................................................................................................... 35-6 Boom Cylinder Pivot Pin Location and Machine Usage ....................................................................................... 35-6 Control Valve Power Beyond ................................................................................................................................ 35-7 Specifications ....................................................................................................................................................... 35-8 Troubleshooting .................................................................................................................................................. 35-12 Auxiliary Boom Hydraulics Troubleshooting ....................................................................................................... 35-16 Hydraulic System Testing ................................................................................................................................... 35-18 Hydraulic System Oil Flow .................................................................................................................................. 35-24 Control Valve - Bucket Spool Shifted ................................................................................................................. 35-25 Control Valve - Boom Spool Shifted ................................................................................................................... 35-26 Control Valve - Auxiliary Spool Shifted ............................................................................................................... 35-27 35 710 02 Main System Pressure Tests .............................................................................................................................. 35-28 Checking Main System Pressure at Boom Cylinders ......................................................................................... 35-30 Checking Main System Pressure at Bucket Cylinders ....................................................................................... 35-31 Checking Main System Pressure at Auxiliary Boom Hydraulic Quick Couplers ................................................. 35-32 Boom Circuit Relief Valve Test ........................................................................................................................... 35-33 Gear Pump Flow Efficiency Test ........................................................................................................................ 35-35 Boom and Bucket Spool Lock Solenoid Test ..................................................................................................... 35-39 Hydraulic, Hydrostatic System Air Ingress Test ................................................................................................. 35-41 Control Valve Specifications ...............................................................................................................................35-43 35 724 50 Control Valve Removal ....................................................................................................................................... 35-44 Control Valve Disassembly and Inspection ........................................................................................................ 35-45 Control Valve Parts Inspection ........................................................................................................................... 35-49 Control Valve Reassembly ................................................................................................................................. 35-50 Control Valve Reinstallation ...............................................................................................................................35-53 Hydraulic Pump Specifications ........................................................................................................................... 35-54 35 710 10 Hydraulic Pump Removal ................................................................................................................................... 35-55 35 710 20 Hydraulic Pump Removal/Disassembly (Without High Flow) ............................................................................. 35-56 High Flow Pump Parts Inspection ...................................................................................................................... 35-58 Hydraulic Pump Parts Inspection ....................................................................................................................... 35-59 Hydraulic Pump Reassembly/Installation (Without High Flow) ........................................................................... 35-61 Hydraulic Pump and High Flow Pump Reassembly/Installation ......................................................................... 35-64 New Hydraulic Pump Installation (Without High Flow) ....................................................................................... 35-70 New Hydraulic Pump/High Flow Pump Installation ............................................................................................ 35-72 Gear Pump Start-up Procedure .......................................................................................................................... 35-78 Cylinders, Boom and Bucket .............................................................................................................................. 35-79 35 710 10 Boom Cylinder Removal ..................................................................................................................................... 35-81 35 730 18 Boom Cylinder Disassembly ...............................................................................................................................35-83 Boom Cylinder Parts Inspection ......................................................................................................................... 35-84 Boom Cylinder Reassembly ...............................................................................................................................35-85 Boom Cylinder Reinstallation ............................................................................................................................. 35-87 9

New Holland L160, L170 Skid Steer Loader Service Repair Workshop Manual

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