New Holland L160 L170 Repair Manual [Skid Steer Loader]

Factory Repair Manual New Holland L160 L170 Skid Steer Loaders. Step by step instructions, illustrations, diagrams make an easy any assembly & disassembly service, maintenance, repair, overhaul, tune-up, reassembly, rebuild.

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Models

New Holland Skid Steer Loader

L160

L170

Contents

General Information
Engine
Rear Drive Axle (Gearboxes)
Hydrostatic Transmission
Brakes And Controls
Hydraulic System
Towing Hooks And Ballasting
Frames
Axles And Wheels
Cab Climate Control
Electrical System
Front Loader (Boom And Mounting Plate)
Accessories
Platforms, Cab, Bodywork, And Decals
Full contents

GENERAL INFORMATION

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 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
Cab and Boom Tilt Procedure (Cab Upgrade Machines Only)

ENGINE

General Engine Information
General Description
Engine Component Descriptions
Engine Model and Serial Number Location
Turbocharger Lubrication
Safety Precautions
General Engine Specifications
Troubleshooting
L Excessive 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 L NT Engine
Turbocharger Removal
Miscellaneous Engine Electrical
Shutoff Solenoid
Special Tools
Labor Guide

REAR DRIVE AXLE (GEARBOXES)

Gearboxes

General Information
Specifications
Troubleshooting
Testing
Gearboxes
Gearbox Removal and Inspection
Gearbox Disassembly
Gearbox Parts Inspection
Gearbox Resassembly
Gearbox Resinstallation
LaborGuide

HYDROSTATIC TRANSMISSION

Neutralizer, Pumps, Motors

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
Lett Control Handle With No Boom Hand Control
Lett Control Handle With No Boom Hand Control Removal
Lett Control Handle With No Boom Hand Control Disassembly
Lett Control Handle With No Boom Hand Control Inspection
Lett Control Handle With No Boom Hand Control Reassembly
Lett Control Handle With No Boom Hand Control Reinstallation
Lett Control Handle With Boom Hand Control
Lett Control Handle With Boom Hand Control Removal
Lett Control Handle With Boom Hand Control Disassembly
Lett Control Handle With Boom Hand Control Inspection
Lett Control Handle With Boom Hand Control Reassembly
Lett 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 lnspection
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
Machines Equipped With ISO Pattern Pilot Controls
Pilot Control Travel System Overview
Specifications
Troubleshooting
Check Checking the DA Pressure
Check Checking Charge Pressure/Flow
Check Checking Circuit Relief Valve Pressure
Pump Adjustments
Pump Removal
Pump lnstallation
Pump Disassembly
Pump Assembly
Pilot Control Travel Lever Removal
Pilot Control Travel Lever lnstallation
Illustration Hydrostatic System (Machines Equipped With Pilot Controls)
Procedure to Bleed Air From the Pilot Control Hydraulic System

BRAKES AND CONTROLS

Parking Brake

General lnformation
Specifications
Troubleshooting
Testing
Parking Brake
Parking Brake Removal and lnstallation
Labor Guide

HYDRAULIC SYSTEM

Valves, Gear Pump, Cylinders, and Pedal Controls

General information
Hydraulic System compatibility
Boom Cylinder PivotPins
Boom Cylinder Pivot Pin Location and MachineUsage
Control Valve PowerBeyand
Specifications
Troubleshooting
Auxiliary Boom Hydraulics Troubleshooting
Hydraulic SystemTesting
Hydraulic System OiJFJow
Control Valve Bucket SpoolShifted
Control Valve Boom SpoolShifted
Control Valve Auxiliary Spool Shifted
Main System PressureTests
Checking Main System Pressure at Boom Cylinders
Checking Main System Pressure at Bucket Cylinders
Checking Main System Pressure at Auxiliary Boom Hydraulic Quick Cauplers
Boom Circuit Relief Valv:eTest
Gear Pump Flow EfficiencyTest
Boom and Bucket Spool Lock SolenaidTest
Hydraulic, Hydrostatic System Air lngressTest
Control Valve Specificatiom
Control Valve Remmtal
Control Valve Disassembly and lnspecUon
Control Valve Parts lnspection
Control Valve Reassembly
Control Valve Reinstallation
Hydraulic Pump Specifications
Hydraulic Pump Remav:al
Hydraulic Pump Removal/Disassembly (Without HighFlow)
High Flow Pump Parts lnspection
Hydraulic Pump Parts lnspection
Hydraulic Pump Reassembly/Installation (Without HighFlow)
Hydraulic Pump and High Flow Pump Reassembly/lnstallation
New Hydraulic Pump Installation (Without HigbHow)
New Hydraulic Pump/High Flow Pump lnstallation
Gear Pump Startup Pracedure
Cylinders, Boom andBucket
Boom Cylinder Remmtal
Boom Cylinder Disassembly
Boom Cylinder Parts lnspecUon
Boom Cylinder Reassembly
Boom Cylinder Reinstallation
Bucket Cylinder RemovaJ
Bucket Cylinder Disassembly
Bucket Cylinder Parts lnspectian
Bucket Cylinder Reassembly
Bucket Cylinder Reinstallation
Pedal Contrals
Pedal Removal (With Boom and Bucket Pedal Cantrols)
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 Contrals
Hydraulic Cooling, Filter, Reservoir System
Filter System
Filter Removal
Base RemovaJ
Reassembly
OilCaaler
Oil Cooler Removal
Oil Cooler Reassembly
Oi I Reservoir
Oil Reservoir Removal
Oil Reservoir Reinstallation
Adapting Attachments
LabarGuide
Machines Equipped With Pilot Controls Specifications
Loader Function Troubleshaating
Pilot PressureTest
Illustration LoaderControJ
Right Control Handle Removal
Right Control Handle lnstallation
Hydraulic Schematic Frame (Mechanical Control Machines)
Hydraulic Schematic Frame (Mechanical Control Machines)
Hydraulic Schematic Frame (Pilot Control Machines)
Hydraulic Schematic Frame (Pilot Control Machines)
Hydraulic Schematic Frame (Pilot Control Machines)
Hydraulic Schematic Frame (Pilot Control Machines)
Hydraulic Schematic Frame (Pilot Control Machines)

TOWING HOOKS AND BALLASTING

Rear Counterweights

Rear Counterweights
Rear Counterweight Support Removal

FRAMES

Lower Main, ROPS

General Information
ROPS
ROPS Frame
ROPS Removal
ROPS Reinstallation
Labor Guide
ROPS Removal (Cab Upgrade Machines Only)
ROPS Installation (Cab Upgrade Machines Only)

AXLES AND WHEELS

Axles

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

HEATER/DEF ROSTER/AIR CONDITIONER

Heater/Defroster (Cab)
Labor Guide
Air Conditioning System Special Tools
Air Conditioning System General Specifications
Air Conditioning System Discharging and Evacuate and Recovery
Air Condit ioning System Charging
Compressor Removal
Compressor Installation
Compress or Oil Level Check
Compressor Belt Measure and Tension Adjust
Compressor Magnetic Clutch Disassemble
Compressor Magnetic Clutch Assembly
Air Conditioning System Removal
Air Condit ioning System Installation
Air Conditioning System Condenser Removal
Air Conditioning System Condenser Installation
Air Conditioning System Evaporator Removal
Air Conditioning System Evaporator Installation
Receiver/Drier Removal and Installation
Air Conditioning System Visual Inspection and Troubleshooting
Air Condioning System Testing
Air Conditioning System Leakage Test
Air Conditioning System Problem Solving
Air Conditioning System Problem Solving

ELECTRICAL SYSTEM

Instrument Cluster, Circuits, Alternator, and Starter

General Electrical Information
Definition of Terms
Adapting Attachments Requiring V Electrical Power
Specifications
Wire Identification and Circuit Diagram Legend
Electrical Diagram Starting System
Electrical Diagram Power Distribution
Electrical Diagram Safety Interlock and Fuel Supply System
Electrical Diagram Instrument Cluster Monitoring System
Electrical Diagram Standard Lamps
Electrical Diagram Loader Arm Auxiliary Electrical Control Box (Optional)
Electrical Diagram Loader Arm Auxiliary Electric Power Controls (Optional)
Electrical Diagram Flasher and Turn Signals North America Electrical
Electrical Diagram Main Electrical European OnRoad Regulations
Electrical Diagram Boom/Rear Electrical European OnRoad Regulations
Electrical Diagram RightHand Handle (Option) Electrical Multifunction Adaptation
Electrical Diagram LeftHand Handle (Options)
Electrical Diagram RightHand Handle (Options)
Electrical Diagram Glow Plugs
Electrical Diagram Rotating Beacon (Optional)
Electrical Diagram Two Speed (Optional)
Electrical Diagram Horn (Optional)
Electrical Diagram Accessory Outlet (Optional)
Electrical Diagram Backup Alarm (Optional)
Electrical Diagram Wiper/Washer (Optional)
Electrical Diagram Auxiliary Hydraulics (Optional)
Electrical Diagram High Flow (Optional)
Electrical Diagram Hydraulic Coupler (Optional)
Electrical Diagram Heating and Air Conditioning (Optional)
Electrical Diagram Pilot Hydraulic Controls
Electrical Diagram Ground Connections
Electrical Diagram Ground Connections
Wire Identification and Circuit Diagram Legend (Cab Upgrade Machines)
Electrical Diagram Starting System (Cab Upgrade Machines)
Electrical Diagram Power Distribution (Cab Upgrade Machines)
Electrical Diagram Safety Interlock and Fuel Supply System (Cab Upgrade Machines)
Electrical Diagram Instrument Cluster Monitoring System (Cab Upgrade Machines)
Electrical Diagram Standard Lamps (Cab Upgrade Machines)
Electrical Diagram Loader Arm Auxiliary Electrical Control Box (Optional) (Cab Upgrade Machines)
Electrical Diagram Loader Arm Auxiliary Electric Power Controls (Optional) (Cab Upgrade Machines)
Electrical Diagram Flasher and Turn Signals North America Electrical (Cab Upgrade Machines)
Electrical Diagram Main Electrical European OnRoad Regulations (Cab Upgrade Machines)
Electrical Diagram Boom/Rear Electrical European OnRoad Regulations (Cab Upgrade Machines)
Electrical Diagram Work Lamps (Cab Upgrade Machines)
Electrical Diagram Control Lever Interface (Cab Upgrade Machines)
Electrical Diagram LeftHand Handle (Options) (Cab Upgrade Machines)
Electrical Diagram RightHand Handle (Options) (Cab Upgrade Machines)
Electrical Diagram Grid Heater System (Cab Upgrade Machines)
Electrical Diagram Rotating Beacon (Optional) (Cab Upgrade Machines)
Electrical Diagram Two Speed (Optional) (Cab Upgrade Machines)
Electrical Diagram Horn (Optional) (Cab Upgrade Machines)
Electrical Diagram Accessory Outlet (Optional) (Cab Upgrade Machines)
Electrical Diagram Backup Alarm (Optional) (Cab Upgrade Machines)
Electrical Diagram Wiper/Washer/Door Switch (Optional) (Cab Upgrade Machines)
Electrical Diagram Auxiliary Hydraulics (Optional) (Cab Upgrade Machines)
Electrical Diagram High Flow (Optional) (Cab Upgrade Machines)
Electrical Diagram Hydraulic Mount Plate (Optional) (Cab Upgrade Machines)
Electrical Diagram Heating and Air Conditioning (Optional) (Cab Upgrade Machines)
Electrical Diagram Pilot Hydraulic Controls
Electrical Diagram Ground Connections (Cab Upgrade Machines)
Electronic Instrument Cluster (EiC) Panel
Electronic Instrument Cluster (EiC) Panel (Cab Upgrade Machines)
Electronic Instrument Cluster Operating Instructions
Electronic Instrument Cluster Troubleshooting
Advanced Instrument Cluster (AIC) Panel (Optional)
Advanced Instrument Cluster (AIC) Panel (Optional) (Cab Upgrade Machines)
Advanced Instrument Cluster Operating Instructions
Advanced Instrument Cluster Troubleshooting
Removal, Installation and Wiring of Electrical Components
Battery Removal and Installation
Cab Fuse Block and Panel Removal and Installation
Seat Switch Removal
Seat Switch Installation
Seat Belt Buckle and Switch Assembly Removal and Installation
Road Light and Work Light Switch Removal and Installation
Engine Fuse and Relay Panel
Start Interlock Relay Removal and Installation
Engine Fuse Block Removal and Installation
Preheat Relay Removal and Installation
Preheat Glow Plug Removal and Installation
Fuel System Components
Electric Fuel Pump
Fuel Shutoff Solenoid
Fuel Shutoff Solenoid Testing
Replacement of Fuel Shutoff Solenoid
Air Filter Restriction Indicator Switch Removal and Installation
Engine Coolant Temperature Sender Removal and Installation
Engine Oil Pressure Switch Removal and Installation
Hydrostatic Charge Pressure Switch Removal and Installation
Hydraulic Oil Filter Restriction Switch Removal and Installation
Hydraulic Oil Temperature Sender Removal
Hydraulic Oil Temperature Sender Installation
Boom/Bucket Control Valve Spool Lock Solenoid Removal and Installation
Road/Work Lights
Alternator ( Amp Version)
Alternator Service Specifications
Alternator System Testing and Troubleshooting
Initial Tests
Alternator Removal
Alternator Disassembly
Alternator Installation
Starter
Starter Motor Troubleshooting
Starter Motor Removal
Starter Motor Disassembly
Starter Motor Inspection and Repair
Starter Motor Reassembly
Starter Motor Installation
Miscellaneous Engine Components
Glow Plugs and Glow Plug Troubleshooting
Oil Pressure Switch
Fuel Shutoff Solenoid
Labor Guide
Electric Fuel Pump Removal

FRONT LOADER (BOOM AND MOUNTING PLATE)

Buckets

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

Cab and Seat

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