Wacker Neuson 750, 850 Wheel Loader Service Repair Manual

Manuals: Service Repair Manual
Category: Wacker Neuson

Table of Content – Wacker Neuson 750, 850 Manual

Cab Overview, Labels and Options
Inside of Cab: Overview
Instrument Panel, Multifunctional Lever and Drive Lever: Overview
Overview of Exterior of Machine
Important Information on This Manual
Wheel Loader Warranty
Models and Trade Names: Overview
Brief Description of the Wheel Loader
Fields of Application and Using the Wheel Loader with an Attachment
Regulations
Type Labels and Component Numbers
Signs and Symbols
Telltales and Warning Lights: Description
Drive Interlock with Code Input (Option)
Key-Based Drive Interlock (Option)
Battery Master Switch (Option)
Oil and Fuel Preheater (Option)
Jump-Starting the Engine (External Battery)
Manual Throttle (Option)
Low-Speed Control (Option)
Electric Connection – Front Socket (Option)
Working Lights
Rotating Beacon (Option)
Backup Warning System (Option)
Additional Control Circuit for Attachments (Option)
Hose Burst Valve Safety Feature (Option)
Towing the Machine
Specifications
Models and Trade Names: Overview
Frame
Engine
Power Train
Variable Displacement Pump
Boost Pump
Variable Displacement Motor
Axles
Brakes
Steering System
Work Hydraulics
Electrical System
Tyres
Weights
Noise Levels
Vibration
Coolant Compound Table
Tightening Torques and Conversion Tables
Payloads
Wheel Loader Dimensions with Bucket (Model 346-03)
Wheel Loader Dimensions with Bucket (Model 346-04)
Wheel Loader Dimensions with Pallet Forks (Models 346-03/346-04)
Maintenance and Service Work
Explanation of Symbols on the Maintenance Label
Maintenance Label
Fluids and Lubricants
Maintenance Plan
Important Information on Maintenance and Service Work
Fuel System
Replacing the Fuel Filter
Cleaning the Fuel Pump Screen Filter
Bleeding the Fuel System
Checking and Filling Up the Engine Oil
Changing Engine Oil
Replacing the Engine Oil Filter Cartridge
Cleaning the Radiator Fins of the Oil/Water Radiator
Checking the Coolant Level
Draining Coolant
Filling Up Coolant
Hydraulic System
Checking Hydraulic Pressure Lines
Monitoring the Hydraulic Oil Reflux Filter
Maintenance of the Hydraulic Oil Reflux Filter
Checking the Hydraulic Oil Level
Filling Up Hydraulic Oil
Replacing Hydraulic Oil
Oil Levels: Rear Axle Transfer Gearbox
Oil Levels: Front and Rear Axle Differentials
Oil Levels: Front and Rear Axle Planetary Drives
Air Filter Maintenance
Maintenance of the Diesel Engine V-Belt
Lubrication Work
Lubricating the Loader Unit
Maintenance of Attachments
Lubricating with the Central Lubrication System (Option)
Mounting the High-Pressure Hoses
Instructions for Troubleshooting Central Lubrication System Blockages
Repairing a Blocked Distributor
Troubleshooting Table
Brake System Maintenance
Tyre Maintenance
Changing Wheels
Maintenance of Cab Heating and Fresh Air Filter
Air Conditioning Maintenance (Option)
Maintenance of the Electrical System
Battery Maintenance
General Maintenance Work
Cleaning Inside the Cab
Cleaning the Seat Belt
Cleaning the Exterior of the Machine
Cleaning the Engine Compartment
Screw Connections and Hinges
Maintenance Work for Aggressive Media (Option)
Engine
Engine Designation
Fuel Specification
Coolant Specification
Electrical Components Overview
Diesel Engine D 2011 L04 W Overview
Engine Oil Cooling
Belt Drive with Cooling Ports
Fuel System
Checking and Adjusting Valve Clearance
Replacing the Fuel Injection Pump
Switching Off Minus Compensation
Heating Connection
Removing and Mounting the Cylinder Head
Sealing the Bleed Valve
Sealing the Intake and Exhaust Manifold
Replacing the Toothed Belt and Tensioning Pulley
Engine Trouble
Power Train
Variable Displacement Pump Test Ports (20 kph)
Variable Displacement Pump (20 kph)
Variable Displacement Pump Test Ports (30 kph)
Variable Displacement Pump (30 kph)
Variable Displacement Motor (20/30 kph)
Inching Valve Overview
Inching Valve Circuit
Inching Valve Diagram
Drive Circuit
Drive Diagram
Towing and Transporting the Machine
Test Report: 20 kph Power Train
Test Report: 30 kph Power Train
Adjustment Instructions
Adjusting Boost Pressure
Adjusting Starting Engine Speed and Control Pressure
Setting High Pressure and Drive Pressure
Setting the Secondary Valves for Forward and Reverse Driving
Checking and Setting the Hydraulic Resistance of the Pump
Checking Engine Droop
Setting Control Initiation on the Variable Displacement Motor
Setting the Wheel Speed
Axles
Axle Overview
Front Axle Screw Connections
Sealing Work on the Joint Housing and Axle Carrier
Sealing the Rear Axle in Case of Oil Migration
Assembly
Setting the Gear Drive
Removing the Gearbox
Input Shaft Version 1 Sealing: Overview
Assembling the Gearbox
Brakes
Brake Circuit
Brake Diagram
Parking Brake Circuit
20 kph Inching Valve Circuit
Service Brake
Steering System
Steering Circuit
Steering System Adjustment
Hydraulic Ports on Servostat
Pressure Relief Valve Adjustment
Sealing Steering Rams
Checking a Steering Ram
Overview of Steering Ram Setting
How to Check and Set the Steering Rams
Checking the Track Setting
Correcting the Track Setting
Setting the Steering Limit
Checking Steering Synchronisation
Setting Steering Synchronisation
Hydraulic System
Work Hydraulics Test Report
Work Hydraulics Oil Supply
Control Valve Ports
Priority Valve Ports
Priority Valve Diagram
Load Stabiliser Ports
Load Stabiliser Circuit
Load Stabiliser Diagram
Lift Ram Sealing Work
Tilt Ram Sealing Work
Control Ram Sealing Work
Work Hydraulics Diagram
Hose Burst Valve Hydraulics Diagram (Option)
Electrical System
Ohm’s Law: Current, Voltage, Resistance and Power
Measuring Equipment and Measuring Methods
Terminal Description
Colour Coding of Electric Lines
Switching Relay Function
Starter, Battery and Alternator
Fuse Box
Main Fuse Box with Relays
Switching Relays
Description of Blocking Diodes
Overview of Switch Assignment
Retrofitting a Rotating Beacon
Retrofitting the Backup Warning System
Retrofitting Two Front Working Lights
Retrofitting Two Front Working Lights and One Rear Working Light
Retrofitting Two Front Working Lights and Two Rear Working Lights
Electric Diagram Legend
Electric Diagram Sheet 1
Electric Diagram Sheet 2