Wacker Neuson 750, 850 Wheel Loader Service Repair Manual

Description

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