New Holland LS180 Repair Manual Download Page 15

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SECTION 35 -- HYDRAULIC SYSTEM

BOOK 3 - 87036992

Chapter 1 -- Valves, Gear Pump, Cylinders, and Pedal Controls

(Continued)

CONTENTS

Section

Description

Page

Hydraulic Pump Installation

35-68

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinders, Boom and Bucket

35-72

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 710 10

Boom Cylinder Removal

35-74

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 730 18

Boom Cylinder Disassembly

35-75

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Boom Cylinder Parts Inspection

35-77

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Boom Cylinder Reassembly

35-78

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Boom Cylinder Reinstallation

35-80

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 730 10

Bucket Cylinder Removal

35-81

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 730 13

Bucket Cylinder Disassembly

35-81

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bucket Cylinder Parts Inspection

35-82

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bucket Cylinder Reassembly

35-84

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bucket Cylinder Reinstallation

35-86

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pedal Controls

35-87

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 724 16

Pedal Removal (With Boom and Bucket Pedal Controls)

35-87

. . . . . . . . . . . . . . . . . . . . . . . . .

Pedal Inspection (With Boom and Bucket Pedal Controls)

35-87

. . . . . . . . . . . . . . . . . . . . . . . .

Pedal Reinstallation (With Boom and Bucket Pedal Controls)

35-89

. . . . . . . . . . . . . . . . . . . . .

35 724 16

Pedal Removal (With Boom and Bucket Hand Controls)

35-92

. . . . . . . . . . . . . . . . . . . . . . . . .

Pedal Inspection (With Boom and Bucket Hand Controls)

35-93

. . . . . . . . . . . . . . . . . . . . . . . .

Pedal Reinstallation (With Boom and Bucket Hand Controls)

35-94

. . . . . . . . . . . . . . . . . . . . .

35 300

Hydraulic Cooling, Filter, Reservoir System

35-97

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 705

Filter System

35-98

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 705 04

Filter Removal

35-98

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 705 05

Base Removal

35-98

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reassembly

35-99

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Cooler

35-100

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 300 10

Oil Cooler Removal

35-100

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Cooler Reassembly

35-100

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 300

Oil Reservoir

35-101

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35 300 10

Oil Reservoir Removal

35-102

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Reservoir Inspection

35-103

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Reservoir Reinstallation

35-104

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adapting Attachments

35-105

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Summary of Contents for LS180

Page 1: ...LS180 LS190 87036989 7 03 ...

Page 2: ...indicated and insert the label into the plastic pocket on the spine of the binder 87036989 SKID STEER REPAIR LS180 LS190 Vol 1 87036989 SKID STEER REPAIR LS180 LS190 Vol 1 87036997 Find manuals at https best manuals com ...

Page 3: ...ON 82 FRONT LOADER BOOM AND MOUNTING PLATE 21 SECTION 88 ACCESSORIES 22 SECTION 90 PLATFORMS CAB BODYWORK AND DECALS 23 The following pages are the collation of the contents pages from each section and chapter of the LS180 LS190 Repair manual Complete Repair part 87036989 The sections used through out all New Holland product Repair manuals may not be used for each product Each Repair manual will b...

Page 4: ...Bosses 00 12 Standard Torque Data for Hydraulic Tubes and Fittings 00 12 Pipe Thread Fitting Torque 00 13 Lubricants and Coolants 00 13 Sealants 00 13 Properly Support a Raised Machine 00 14 Properly Support Boom on Boom Lock Pins 00 14 Raising Boom Without Hydraulic Oil Flow 00 14 Raising Boom Without Battery Voltage 12V 00 15 Reattaching Cylinders After Repair with Boom Resting on Boom Lock Pins...

Page 5: ...g Cab and Boom Forward 10 30 10 001 20 Mounting the Engine for Maintenance 10 35 10 001 53 Engine Disassembly Sequence 10 35 Engine Component Maintenance 10 36 Cylinder Block Pistons Rings Rods and Bearings 10 45 Crankshaft Main Bearings and Flywheel 10 53 Camshaft and Timing Gear Train 10 59 Timing Gear 10 62 Engine Timing 10 66 10 400 Cooling System 10 70 10 402 30 Thermostat Removal 10 71 10 40...

Page 6: ...10 116 Electrical Component Maintenance 10 117 Adjust Belt Tension 10 118 SECTION 10 ENGINE BOOK 1 87036990 Chapter 2 LS190 450 NC CONTENTS Section Description Page 10 000 Introduction 10 125 Safety Precautions 10 125 LS 180 Engine Services 10 126 General Engine Information 10 126 General Engine Specifications 10 130 Troubleshooting 10 131 Specifications Service Standards 10 141 Hardware Torque Ch...

Page 7: ...moval 10 175 10 304 06 Connecting Rod Bushing 10 178 Cylinder Block Overhaul 10 180 Cylinder Bore 10 181 Sleeve Boring and Honing 10 182 Balancer Vibration Damper 10 187 Main Bearing Removal 10 188 Flywheel Removal 10 189 Rear Cover Plate Removal 10 190 Oil Pump Removal 10 192 Crankshaft Removal 10 194 Crankshaft Reassembly 10 196 Camshaft Removal 10 197 Camshaft Bearings 10 198 Engine Compression...

Page 8: ...lling the Injection Pump 10 219 10 210 21 Electric Lift Pump 10 223 10 218 34 Injectors 10 225 10 218 34 Fuel Injector Overhaul 10 225 10 216 10 Fuel Tank 10 232 Air Intake and Exhaust System 10 234 Manifolds 10 237 Engine Installation 10 239 Operating the Engine After Overhaul 10 245 Electrical Component Maintenance 10 246 Charging Circuit 10 247 Adjust Belt Tension 10 247 Special Tools 10 248 Fi...

Page 9: ...eck Plug 2 27 8 27 126 40 Gearbox Removal 27 9 27 126 48 Gearbox Disassembly 27 10 Gearbox Parts Inspection 27 14 Gearbox Reassembly 27 15 27 126 40 Gearbox Reinstallation 27 18 Engine to Transmission Gearbox 27 23 Engine to Transmission Gearbox Removal Disassembly 27 23 Engine to Transmission Gearbox Parts Inspection 27 28 Engine to Transmission Gearbox Reassembly Installation 27 29 Start Up Proc...

Page 10: ... 29 Hydrostatic Pumps 29 29 29 100 40 Hydrostatic Pump Removal 29 29 29 100 46 Hydrostatic and Charge Pump Disassembly 29 35 Hydrostatic Charge Pump 29 36 Hydrostatic Charge Pump Disassembly 29 36 Hydrostatic Charge Pump Parts Inspection 29 37 Hydrostatic Charge Pump Reassembly 29 38 Hydrostatic Pump 29 39 Hydrostatic Pump Disassembly 29 39 Hydrostatic Pump Parts Inspection 29 44 Hydrostatic Pump ...

Page 11: ... Control Valve Reinstallation 29 107 29 134 30 Two Speed High Low Slave Cylinder 29 108 Two Speed High Low Slave Cylinder Removal 29 109 Two Speed High Low Slave Cylinder Disassembly 29 109 Two Speed High Low Slave Cylinder Inspection 29 110 Two Speed High Low Slave Cylinder Reassembly 29 110 Two Speed High Low Slave Cylinder Reinstallation 29 110 29 134 40 Two Speed High Low Motor Control Linkage...

Page 12: ...Control Handle With Boom Control Disassembly 29 135 Left Control Handle With Boom Control Inspection 29 136 Left Control Handle With Boom Control Reassembly 29 137 Left Control Handle With Boom Control Reinstallation 29 138 Right Control Handle With Auxiliary or Bucket Control 29 140 29 100 15 Right Control Handle With Auxiliary or Bucket Control Removal 29 140 29 100 15 Right Control Handle With ...

Page 13: ... LS190 Linkage and Control Lever Equal Movement 29 158 Left Control Linkage Adjustment 29 159 LS190 Straight Travel and Forward Reverse Stop Adjustment 29 159 LS190 and LS190 High Low Range Adjustment Optional on LS180 29 162 SECTION 33 BRAKES AND CONTROLS BOOK 2 87036991 Chapter 1 Parking Brake CONTENTS Section Description Page 33 000 General Information 33 2 Specifications 33 3 Troubleshooting 3...

Page 14: ...l Flow 35 27 35 710 02 Main System Pressure Tests 35 29 Checking Main System Pressure at Boom Cylinders 35 32 Checking Main System Pressure at Bucket Cylinders 35 33 Checking Main System Pressure at Auxiliary Boom Hydraulic Quick Couplers 35 34 Boom Circuit Relief Valve Test 35 35 Gear Pump Flow Efficiency Test 35 37 Boom and Bucket Spool Lock Solenoid Test 35 40 Hydraulic Hydrostatic System Air I...

Page 15: ...l Controls 35 87 35 724 16 Pedal Removal With Boom and Bucket Pedal Controls 35 87 Pedal Inspection With Boom and Bucket Pedal Controls 35 87 Pedal Reinstallation With Boom and Bucket Pedal Controls 35 89 35 724 16 Pedal Removal With Boom and Bucket Hand Controls 35 92 Pedal Inspection With Boom and Bucket Hand Controls 35 93 Pedal Reinstallation With Boom and Bucket Hand Controls 35 94 35 300 Hyd...

Page 16: ...ion Description Page 37 140 10 Rear Counterweights 37 2 37 140 12 Rear Counterweight Support Removal 37 2 SECTION 39 FRAMES BOOK 3 87036992 Chapter 1 Lower Main ROPS CONTENTS Section Description Page General Information 39 2 ROPS 39 2 ROPS Frame 39 2 90 152 46 ROPS Removal 39 2 ROPS Reinstallation 39 9 ...

Page 17: ... Axle Reassembly 44 12 Axle Housing Reinstallation 44 14 Final Drive 44 16 44 106 48 Drive Chain and Sprocket Removal 44 16 Final Drive Parts Inspection 44 18 Final Drive Reassembly 44 19 44 511 Tires Wheels 44 22 Tire and Track Installation 44 23 SECTION 50 CAB CLIMATE CONTROL BOOK 3 87036992 Chapter 1 Heater Defroster CONTENTS Section Description Page 50 100 Heater Defroster Cab 50 2 Evaluation ...

Page 18: ...tomatic Shutdown 55 26 Operating Mode 55 27 Broken Alternator Water Pump Belt Warning 55 29 Fuel Level 55 30 EIC Interlocks 55 30 EIC Lock Mode 55 31 EIC Engine Preheat 55 32 Troubleshooting 55 33 Advanced Warning System AWS 55 36 EIC Board Self Test 55 37 Diagnostic and Setup Modes 55 38 Arrow Open Book and Audible Alarm Test 55 40 Diagnostic Mode EIC Circuit Tests 55 40 EIC Setup Mode 55 44 Elec...

Page 19: ...ircuit 55 73 Start Circuit 55 73 55 100 Removal Installation and Wiring of Electrical Components 55 74 Battery LS180 55 75 55 301 40 Battery Removal LS180 55 75 Battery Installation LS180 55 75 Battery Removal LS190 55 76 55 418 10 EIC Electronic Instrument Cluster Board Removal 55 77 EIC Electronic Instrument Cluster Wiring 55 78 EIC Electronic Instrument Cluster Board Installation 55 79 Ignition...

Page 20: ...5 88 Accessory Relay Wiring 55 89 Accessory Relay Removal 55 89 Accessory Relay Installation 55 89 Preheat Circuit Breaker Wiring 55 89 55 100 24 Preheat Circuit Breaker Removal 55 89 Preheat Circuit Breaker Installation 55 89 Start Interlock Relay Wiring 55 90 55 100 34 Start Interlock Relay Removal 55 91 Start Interlock Relay Installation 55 91 Engine Fuse Panel Wiring 55 91 Engine Fuse Block Re...

Page 21: ...val 55 102 Engine Coolant Temperature Sender Installation 55 102 55 414 12 Engine Oil Pressure Switch Removal 55 103 Engine Oil Pressure Switch Installation 55 103 55 414 28 Hydrostatic Charge Pressure Switch Removal 55 103 Hydrostatic Charge Pressure Switch Installation 55 103 55 414 24 Hydraulic Oil Filter Restriction Switch Removal 55 104 Hydraulic Oil Filter Restriction Switch Installation 55 ...

Page 22: ...nt Testing 55 129 55 301 10 Alternator Removal 55 129 55 301 12 Alternator Disassembly 55 130 55 301 14 Alternator Component Test 55 131 Alternator Inspection and Repair 55 133 Alternator Reassembly 55 134 Alternator Reinstallation 55 134 55 201 Starter 55 135 Starter Motor Troubleshooting 55 137 55 201 50 Starter Motor Removal 55 138 Starter Maintenance 55 139 System Testing 55 139 System Motor C...

Page 23: ...allation Procedure 82 9 82 100 Dirt Tooth Kit Installation 82 12 Bucket Tooth Spacing 82 13 Boom Lock Pin Linkage 82 15 82 100 77 Boom Lock Pin Linkage Removal 82 15 Boom Lock Pin Linkage Reinstallation 82 17 Boom Upper and Lower Link 82 18 Boom Upper and Lower Link Removal 82 18 82 100 70 Front Boom Mounting Plate Pivot Hub Replacement 82 22 Boom Upper and Lower Link Reinstallation 82 25 Attachme...

Page 24: ...ne 88 10 55 000 Electric Power Supply 12 Volt 15 Amp 88 12 10 254 Exhaust Engine 88 13 10 254 Aspirator Precleaner Muffler 88 13 35 000 High Flow Hydraulics 88 14 High Flow Hydraulics Troubleshooting 88 16 High Flow Hydraulics Component Replacement 88 18 High Flow Hydraulics Operation 88 21 55 000 Horn 88 25 90 000 Shoulder Belt Seat 88 26 88 000 Slow moving Vehicle SMV Sign Kit 88 27 44 511 Tires...

Page 25: ...ge General Information 90 2 Seat and Seat Pan Support 90 2 90 152 Cab Inner Shell 90 3 90 120 10 Seat Removal 90 3 90 120 12 Seat Pan Support Removal 90 3 Seat Switch and Pan Reinstallation 90 5 Cab Inner Shell 90 7 90 152 34 Cab Inner Shell Removal 90 7 Cab Inner Shell Reinstallation 90 14 90 108 Safety Decals 90 21 ...

Page 26: ...24 ...

Page 27: ......

Page 28: ...LS180 LS190 Section 00 General Information Section 10 Engine 87036990 7 03 ...

Page 29: ... WHEELS SECTION 50 CAB CLIMATE CONTROL SECTION 55 ELECTRICAL SYSTEM SECTION 82 FRONT LOADER BOOM AND MOUNTING PLATE SECTION 88 ACCESSORIES SECTION 90 PLATFORMS CAB BODYWORK AND DECALS 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 one or several books Each book will be labeled as to which sections are in the ...

Page 30: ...hread O Ring Bosses 00 12 Standard Torque Data for Hydraulic Tubes and Fittings 00 12 Pipe Thread Fitting Torque 00 13 Lubricants and Coolants 00 13 Sealants 00 13 Properly Support a Raised Machine 00 14 Properly Support Boom on Boom Lock Pins 00 14 Raising Boom Without Hydraulic Oil Flow 00 14 Raising Boom Without Battery Voltage 12V 00 15 Reattaching Cylinders After Repair with Boom Resting on B...

Page 31: ...with emphasis on safety for operator protection However careless and negligent operation can still result in serious injury to persons or property Be sure to read and follow all safety instructions in this manual Your New Holland dealer is interested in your obtaining the most from your investment and will be glad to answer any questions you may have about your skid steer When major service is req...

Page 32: ...essories have been specifically designed for NEW HOLLAND MACHINES We would like to point out that NON GENUINE parts and accessories have not been examined and released by NEW HOLLAND The installation and or use of such products could have negative effects upon the design characteristics of your machine and thereby affect its safety NEW HOLLAND is not liable for any damage caused by the use of NON ...

Page 33: ...dent involvement WARNING The word WARNING denotes a potential or hidden hazard which has a potential for serious injury It is used to warn operators and others to exercise every appropriate means to avoid a surprise involvement with machinery DANGER The word DANGER denotes a forbidden practice in connection with a serious hazard Failure to follow the CAUTION WARNING and DANGER instructions may res...

Page 34: ... dash area or the skid steer disconnect the negative ground battery cable This will shut off power to the EIC and prevent damage to the EIC board or blowing the 5 amp fuses if the board is accidentally grounded 16 If welding is required on the skid steer disconnect the negative ground cable failure to disconnect the battery may result in damage to the EIC Electronic Instrument Cluster monitoring s...

Page 35: ... floor or foot control pedal area that may hinder safe machine operation 40 Never operate the skid steer with any of the shielding removed 41 Never operate the skid steer without win dows and or screens in place 42 Never extend any part of the body outside of the operator s area 43 Always properly tie down the skid steer to a truck or trailer before transport 44 Make sure all bystanders are at a s...

Page 36: ...y removed within a few hours or gangrene may result Doctors unfamiliar with this type of injury should reference a knowledgeable medical source AVOID HEATING NEAR PRESSURIZED FLUID LINES Flammable spray can be generated by heating near pressurized fluid lines resulting in severe burns to yourself and bystanders Do not heat by welding soldering or using a torch near pressurized fluid lines Pressuri...

Page 37: ...o be in the raised position support the boom on the boom locks and remove any attachment from the boom mounting plate If servicing requires the complete skid steer to be in the supported position support all four wheels off the ground using adequate jack stands or blocks If servicing requires the engine to be operated raise the machine and properly support the unit with adequate jack stands or blo...

Page 38: ...he right front interior of the operator s cab at 1 1 ENGINE MODEL AND SERIAL NUMBER LOCATION The engine model is located on the left side of the block at 1 and the engine serial number is located at 2 2 For the tightening torques for reassembly use the following hardware torque charts unless the torque is specified in the instructions ...

Page 39: ...26 35 3 8 5 16 115 13 149 17 178 20 229 26 250 28 324 37 125 14 176 20 5 16 1 4 55 6 2 72 8 1 86 9 7 112 13 121 14 157 18 61 6 9 86 9 8 1 4 MINIMUM HARDWARE TIGHTENING TORQUES IN FOOT POUNDS NEWTON METERS FOR NORMAL ASSEMBLY APPLICATIONS INCH HARDWARE AND LOCKNUTS NOMINAL UNPLATED PLATED UNPLATED PLATED UNPLATED PLATED GR B GR C NOMINAL SIZE or W ZnCr or W ZnCr or W ZnCr w GR5 w GR8 SIZE PLATED PL...

Page 40: ...671 195 265 M24 303 411 392 531 478 648 619 839 662 897 855 1160 338 458 NOTE Torque values shown with are inch pounds IDENTIFICATION HEX CAP SCREW AND CARRIAGE BOLTS CLASSES 5 6 AND UP MANUFACTURER S IDENTIFICATION PROPERTY CLASS HEX NUTS AND LOCKNUTS CLASSES 05 AND UP MANUFACTURER S IDENTIFICATION MINIMUM HARDWARE TIGHTENING TORQUES IN FOOT POUNDS NEWTON METERS FOR NORMAL ASSEMBLY APPLICATIONS M...

Page 41: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com ...

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