New Holland

LS160 LS170

Skid Steer Loader

Repair Manual

CONTENTS

GENERAL INFORMATION

Description Page

Introduction About Improvements

Company Policy Parts and Accessories Model Codes

Precautionary Statements Safety Precaution Information

General Safety Information Machine Model and Serial Number Location Engine Model and Serial Number Location

Hardware Torque Specifications Installation of Adjustable Fittings in Straight Thread O Ring Bosses

Standard Torque Data for Hydraulic Tubes and Fittings Pipe Thread Fitting Torque Lubricants and Coolants

Sealants Properly Support a Raised Machine

Properly Support Boom on Boom Lock Pins Raising Boom Without Hydraulic Oil Flow Raising Boom Without Battery Voltage (V)

Reattaching Cylinders After Repair with Boom Resting on Boom Lock Pins Major Unit Overhaul

Cab and Boom Tilt Procedure Craning the Skid Steer Special Tools

Specifications Dimensions

ENGINE

Description Page

General Engine Information General Description Engine Component Descriptions

Engine Model and Serial Number Location Turbocharger Lubrication

Safety Precautions General Engine Specifications Troubleshooting

LSExcessive Oil Consumption Specifications Service Standards

Torque Specifications Engine Components Electrical Diagram

Engine Removal Engine Disassembly Sequence Engine Component Maintenance

Valve Seat Cylinder Block

Piston and Piston Rings Connecting Rod Bearing Holder

Front Crankshaft Bearing (Bushing) Crankshaft

Flywheel and Ring Gear Camshaft Assembly Camshaft Gear and Bearing Assembly

Timing Gear Oil Pump

Oil Filter Water Pump Assembly and Thermostat Housing Thermostat

Governor Governor Operation

Engine Reassembly Sequence Crankshaft and Bearing Holder Assembly Rear Oil Seal

Backplate/Flywheel Housing Flywheel

Piston and Connecting Rod Oil Intake and Oil Strainer Oil Sump

Dipstick and Tube Front Plate

Idler Gear and Oil Pump Assembly Timing Gear Case Installation Crankshaft Pulley

Injection Pump Installation Adjusting the Fuel Injection Timing

Spill Timing Procedure Reinstallation of Engine into Skid Steer Frame How to Operate the Engine After Overhaul

Cooling System Cooling System Operation

Water Pump Assembly and Thermostat Housing Radiator Fuel System

Fuel Specifications Diesel Fuel

Diesel Fuel Storage Fuel System Components Fuel Guage

Cold Start Aid Fuel Filter System

Priming the Fuel System Fuel System Testing

Fuel System Components Fuel Injection Timing Turbocharger LS NT Engine

Turbocharger Removal Miscellaneous Engine Electrical

Shutoff Solenoid Special Tools Labor Guide

REAR DRIVE AXLE (GEARBOXES)

Description Page General Information Specifications

Troubleshooting Testing

Gearboxes Gearbox Removal and Inspection Gearbox Disassembly

Gearbox Parts Inspection Gearbox Resassembly

Gearbox Resinstallation Labor Guide

HYDROSTATIC TRANSMISSION

Description Page General Information

Operation Specifications

Troubleshooting Hydrostatic Drive System Testing Hydrostatic System Oil Flow

Hydrostatic Charge System Pressure Test Hydrostatic Pump Case Drain Test

Hydrostatic Pump High Pressure Test Hydrostatic Pump Efficiency Test Hydrostatic Motor Case Drain Test

Hydrostatic Motor Efficiency Test Hydraulic, Hydrostatic System Air Ingress Test

Hydrostatic Pumps Hydrostatic Pump Removal Hydrostatic Pump Disassembly

Hydrostatic Pump Parts Inspection Hydrostatic Pump Reassembly

Hydraulic System Pump Installation (Without High Flow) Hydraulic System Pump/High Flow Pump Installation Hydrostatic Pump Reinstallation

Hydrostatic Motor Hydrostatic Motor Removal

Hydrostatic Motor Disassembly Hydrostatic Motor Parts Inspection

Hydrostatic Motor Reassembly Hydrostatic Motor Reinstallation Hydraulic System Cleaning Procedure

Startup Procedure After Rebuild (After Pump or Motor Replacement) Charge Check Valve

Charge Check Valve Removal and Replacement Steering System Hydrostatic System Controls

Neutralizer Assembly Left Control Handle With No Boom Hand Control

Left Control Handle With No Boom Hand Control Removal Left Control Handle With No Boom Hand Control Disassembly Left Control Handle With No Boom Hand Control Inspection

Left Control Handle With No Boom Hand Control Reassembly Left Control Handle With No Boom Hand Control Reinstallation

Left Control Handle With Boom Hand Control Left Control Handle With Boom Hand Control Removal Left Control Handle With Boom Hand Control Disassembly

Left Control Handle With Boom Hand Control Inspection Left Control Handle With Boom Hand Control Reassembly

Left Control Handle With Boom Hand Control Reinstallation Right Control Handle With Auxiliary or Bucket Control Right Control Handle With Auxiliary or Bucket Control Removal

Right Control Handle With Auxiliary or Bucket Control Disassembly Right Control Handle With Auxiliary or Bucket Control Inspection

Right Control Handle With Auxiliary or Bucket Control Reassembly Right Control Handle With Auxiliary or Bucket Control Reinstallation Drive Control Adjustment Procedure

Neutral Adjustment Labor Guide

BRAKES AND CONTROLS

Description Page

General Information Specifications Troubleshooting

Testing Parking Brake

Parking Brake Removal and Inspection Labor Guide

HYDRAULIC SYSTEM

Description Page

General Information Hydraulic System Compatibility Boom Cylinder Pivot Pins

Boom Cylinder Pivot Pin Location and Machine Usage Control Valve Power Beyond

Specifications Troubleshooting

Auxiliary Boom Hydraulics Troubleshooting Hydraulic System Testing Hydraulic System Oil Flow

Control Valve Bucket Spool Shifted Control Valve Boom Spool Shifted

Control Valve Auxiliary Spool Shifted Main System Pressure Tests Checking Main System Pressure at Boom Cylinders

Checking Main System Pressure at Bucket Cylinders Checking Main System Pressure at Auxiliary Boom Hydraulic Quick Couplers

Boom Circuit Relief Valve Test Gear Pump Flow Efficiency Test Boom and Bucket Spool Lock Solenoid Test

Hydraulic, Hydrostatic System Air Ingress Test Control Valve Specifications

Control Valve Removal Control Valve Disassembly and Inspection Control Valve Parts Inspection

Control Valve Reassembly Control Valve Reinstallation

Hydraulic Pump Specifications Hydraulic Pump Removal Hydraulic System Pump Removal/Disassembly (Without High Flow)

Hydraulic System Pump and High Flow Removal/Disassembly High Flow Pump Parts Inspection

Hydraulic System Pump Parts Inspection Hydraulic System Pump Reassembly/Installation (Without High Flow) Hydraulic System Pump and High Flow Pump Reassembly/Installation

New Hydraulic System Pump Installation (Without High Flow) New Hydraulic System Pump/High Flow Pump Installation

Gear Pump Start Up Procedure Cylinders, Boom and Bucket Boom Cylinder Removal

Boom Cylinder Disassembly Boom Cylinder Parts Inspection

Boom Cylinder Reassembly Boom Cylinder Reinstallation Bucket Cylinder Removal

Bucket Cylinder Disassembly Bucket Cylinder Parts Inspection

Bucket Cylinder Reassembly Bucket Cylinder Reinstallation Pedal Controls

Pedal Removal (With Boom and Bucket Pedal Controls) Pedal Inspection (With Boom and Bucket Pedal Controls)

Pedal Reinstallation (With Boom and Bucket Pedal Controls) Pedal Removal (With Boom and Bucket Hand Controls) Pedal Inspection (With Boom and Bucket Hand Controls)

Pedal Reinstallation (With Boom and Bucket Hand Controls) Hydraulic Cooling, Filter, Reservoir System

Filter System Filter Removal

Base Removal Reassembly Oil Cooler

Oil Cooler Removal Oil Cooler Reassembly

Oil Reservoir Oil Reservoir Removal Oil Reservoir Reinstallation

Adapting Attachments Labor Guide

FRAMES

Description Page

General Information ROPS

ROPS Frame ROPS Removal ROPS Reinstallation

Labor Guide

AXLES AND WHEELS

Description Page General Information

Specifications Troubleshooting Testing

Axles Axle Housing Assembly Removal

Axle Disassembly Axle Parts Inspection Axle Reassembly

Axle Housing Reinstallation Final Drive

Drive Chain and Sprocket Removal Final Drive Parts Inspection Final Drive Reassembly

Tires/Wheels Tire and Track Installation

Labor Guide

CAB CLIMATE CONTROL

Description Page Heater/Defroster (Cab)

Labor Guide

ELECTRICAL SYSTEM

Description Page General Electrical Information

Definition of Terms Adapting Attachments Requiring V Electrical Power Specifications

Electrical Diagram Advanced Warning System

Electronic Instrument Cluster (EIC) (EIC) Electronic Instrument Cluster Front Panel EIC Functional Groups

Engine Preheat Automatic Shutdown

Operating Mode Broken Alternator/Water Pump Belt Warning Fuel Level

EIC Interlocks EIC Lock Mode

EIC Engine Preheat Troubleshooting Advanced Warning System (AWS)

EIC Board Self Test Diagnostic and Setup Modes

Arrow, Open Book, and Audible Alarm Test Diagnostic Mode EIC Circuit Tests EIC Setup Mode

Electronic Instrument Cluster (EIC) and Starter Circuits Blown Fuse Symptom and Testing

Testing Other EIC Functions EIC Board Reading Accuracy EIC Board Claims Warranty

Electrical Circuits Seat Switch Circuit to EIC Board

Seat Belt Switch Circuit to EIC Board Ignition Switch Circuit to EIC Board Cranking Circuit (Starter Motor)

“Service/Run” Switch in the “Run” Position Cranking Circuit Ground

Operating Conditions “Service/Run” Switch in the “Service” position Service/Run” Switch in the “Service” position Cranking Circuit Ground

Start Relay Operation Start Relay Circuit

Start Relay Ground Circuit Start Interlock Relay Operation Start Interlock Circuit

Start Interlock Ground Circuit Start Circuit

Removal, Installation and Wiring of Electrical Components Battery Battery Removal

Battery Installation EIC (Electronic Instrument Cluster) Board Removal

EIC (Electronic Instrument Cluster) Wiring EIC (Electronic Instrument Cluster) Board Installation

Ignition (Key) Switch Wiring Ignition (Key) Switch Removal Ignition (Key) Switch Installation

Cab Fuse Panel Wiring Cab Fuse Block and Panel Removal

Cab Fuse Block and Panel Installation Service/Run Switch Wiring Service/Run Switch Service Position

Service/Run Switch Run Position Service/Run Switch Removal

Service/Run Switch Installation Seat and Seat Belt Switch Wiring Seat Switch Removal

Seat Switch Installation Seat Belt Buckle and Switch Assembly Removal

Seat Belt Buckle Installation Road Light and Work Light Switch Wiring Road Light and Work Light Switch Removal

Road Light and Work Light Switch Installation Engine Fuse and Relay Panel

Accessory Relay Wiring Accessory Relay Removal Accessory Relay Installation

Preheat Circuit Breaker Wiring Preheat Circuit Breaker Removal

Preheat Circuit Breaker Installation Start Interlock Relay Wiring Start Interlock Relay Removal

Start Interlock Relay Installation Engine Fuse Panel Wiring

Engine Fuse Block Removal Engine Fuse Block Installation Alternator Excite Resistor Wiring

Alternator Excite Resistor Removal Alternator Excite Resistor Installation

Start Relay Wiring Start Relay Removal Start Relay Installation

Preheat Relay Wiring Preheat Relay Removal

Preheat Relay Installation Preheat Glow Plug Removal Preheat Glow Plug Installation

Fuel System Components Electric Fuel Pump

Electric Fuel Pump Removal Fuel Shutoff Solenoid Fuel Shutoff Solenoid Testing

Replacement of Fuel Shutoff Solenoid Air Filter Restriction Indicator Switch Removal

Air Filter Restriction Indicator Switch Installation Engine Coolant Temperature Sender Removal

Engine Coolant Temperature Sender Installation Engine Oil Pressure Switch Removal Engine Oil Pressure Switch Installation

Hydrostatic Charge Pressure Switch Removal Hydrostatic Charge Pressure Switch Installation

Hydraulic Oil Filter Restriction Switch Removal Hydraulic Oil Filter Restriction Switch Installation Hydraulic Oil Temperature Sender Removal

Hydraulic Oil Temperature Sender Installation Boom/Bucket Control Valve Spool Lock Solenoids

Boom/Bucket Control Valve Spool Lock Solenoids Removal Boom/Bucket Control Valve Spool Lock Solenoids Installation Wire Harness

Main Wire Harness Removal Main Wire Harness Installation

Road/Work Lights Alternator ( Amp Version) Charging Circuit

Alternator Service Specifications Alternator System Testing and Troubleshooting

Alternator Removal Alternator Disassembly Alternator Reinstallation

Starter Starter Motor Troubleshooting

Starter Motor Removal Starter Motor Disassembly Starter Inspection and Repair

Starter Reassembly Starter Reinstallation

Labor Guide

FRONT LOADER (BOOM AND MOUNTING PLATE)

Description Page General Information Buckets

Boom Lock Pins and Linkage Boom

Attachment Mounting Plate Boom and Cylinder Pivot Pins Boom and Cylinder Pivot Pin Location and Machine Usage

Boom and Cylinder Pivot Pins Size Pallet Fork

Utility Fork Bucket Cutting Edge (Replacement) Bucket Latch Plate Installation Procedure

Dirt Tooth Kit Installation Bucket Tooth Spacing

Boom Lock Pin/Linkage Boom Lock Pin/Linkage Removal Boom Lock Pin/Linkage Reinstallation

Boom, Upper and Lower Link Boom, Upper and Lower Link Removal Front Boom Mounting Plate Pivot Hub Replacement

Boom, Upper and Lower Link Reinstallation Attachment Mounting Plate

Attachment Mounting Plate Removal Repair/Rebuild Mounting Plate Latch Lever and Pin Removal/Repair

Attachment Mounting Plate Parts Inspection Checking Procedure for Buckets and Attachments

Checking Procedure Checking the Loader Faceplate Labor Guide

ACCESSORIES

Description Page General Information Adapting Attachments Requiring V Electrical Power

Hydraulic System Compatibility Arm Pads For Cab Side Panels

Armrests for Deluxe Seat Forearm Rests Backup Alarm

Block Heater (Engine) Electric Power Supply ( Volt,Amp) Exhaust (Engine)

Aspirator Pre cleaner Muffler High Flow Hydraulics

High Flow Hydraulics Troubleshooting High Flow Hydraulics Component Replacement Horn

Shoulder Belt (Seat) Slowmoving Vehicle (SMV) Sign Kit

Warning Light (Rotary Beacon) Warning Lights (Fourway Flashers/Turn Signal/Horn) Labor Guide

PLATFORM, CAB, BODYWORK, AND DECALS

Description Page General Information Seat and Seat Pan Support

Cab Inner Shell Seat Removal

Seat Pan Support Removal Seat, Switch and Pan Reinstallation Cab Inner Shell

Cab Inner Shell Removal Cab Inner Shell Reinstallation

Safety Decals Labor Guide

Download Links

New Holland LS160 LS170 Repair Manual

Download Links

New Holland LS160 LS170 Repair Manual