New Holland Ls140 Ls150 Repair Manual [Skid Steer Loader]

Complete Factory Service Repair Manual New Holland Ls140 Ls150 Skid Steer Loader. Detailed Step by Step Instructions, diagrams, illustrations make easy any repair, Overhaul, Disassembly and Assembly, Testing, Replacement and Change, Inspection and Adjustment, etc.

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MODELS Covered

New Holland Ls140 Skid Steer Loader

New Holland Ls150 Skid Steer Loader

SECTIONS covered

* General Information
* Engine
* Hydrostatic Transmission
* Brakes And Controls
* Hydraulic System
* Frames
* Axles And Wheels
* Cab Climate Control
* Electrical System
* Front Loaders
* Accessories
* Platforms Cab And Bodywork And Decals

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

General Engine Information
General Description
Engine Component Descriptions
Engine Model And Serial Number Location
Safety Precautions
General Engine Specifications
Troubleshooting
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
Port Block
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
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
Miscellaneous Engine Electrical
Special Tools
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 (Neutral Position)
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 Pump Disassembly
Hydraulic Pump Parts Inspection
Hydraulic Pump Reassembly
Hydraulic Pump Installation
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
Labor Guide

Frames

Description Page
General Information
Cab And Rops
Cab And Rops Removal
Cab And 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
Final Drive Removal
Final Drive Parts Inspection
Final Drive Reassembly
Tires/Wheels
Tire And Track Installation
Loader Boom Stop Adjustment
Labor Guide

Cab Climate Control

Description Page
Heater/Defroster (Cab)
Labor Guide

Electrical System

Section 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
Service Precautions
Initial Tests
Alternator Removal
Alternator Disassembly
Alternator Reinstallation
Starter
Starter Motor Troubleshooting
Starter Motor Removal
Starter Motor Disassembly
Starter Inspection And Repair
Starter Reassembly
Starter Reinstallation
Miscellaneous Engine Components
Glow Plug
Glow Plug Troubleshooting
Oil Pressure Switch
Fuel Shutoff Solenoid
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 Precleaner Muffler
Horn
Shoulder Belt (Seat)
Slowmoving Vehicle (Smv) Sign Kit
Warning Light (Rotary Beacon)
Warning Lights (Fourway Flashers/Turn Signal/Horn)
Labor Guide

Platforms, Cab, Bodywork, And Decals

General Information
Seat And Seat Pan Support
Seat Removal
Seat Pan Support Removal
Seat, Switch And Pan Reinstallation
Safety Decals
Labor Guide