Factory Service Manual For Gehl Wheel Loader. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 212
Number: 918123
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Gehl Wheel Loader
680
Beginning Serial Number: 343010001

Contents

-OPERATION
Important Information On This Service Manual
Serial Plates And Component Numbers
Machine Overview
Inside Of Cab: Overview
Inside Of Cab: Legend
Instrument Panel, Multifunctional Lever And Drive Lever: Overview
Instrument Panel, Multifunctional Lever And Drive Lever: Legend
-SPECIFICATIONS
Frame
Engine
Power Train
Axles
Brakes
Steering
Work Hydraulics
Pilot Control
Additional Control Circuit + High-Flow Control Circuit (Option)
Loader Unit
Electrical System
Tires
Weights
Sound Levels
Vibration
Hardware Torques
Dimensions
-MAINTENANCE
Fluids And Lubricants
Maintenance Decal
Maintenance Schedule Model 680 (Overview)
Maintenance Items
Introduction
Fuel System
Engine Lubrication System
Engine And Hydraulics Cooling System
Air Filter
V-Belt
Gearboxes And Axles
Hydraulic System
Lubrication Points
Attachments
Brake System
Tire Care
Changing Wheels
Electrical System
General Maintenance Work
-ENGINE
Engine B?4M 2011: Overview
Engine Oil Cooling
Fuel System
Checking And Adjusting Valve Tip Clearance
Replacing The Fuel Injection Pump
Setting Charge Air Pressure
Removing/Mounting The Cylinder Head
Engine Trouble
-POWER TRAIN
Variable Displacement Pump 12-25 mph (20 – 40 km/h)
Hydraulic Motor – Control Element 12 mph (20 km/h)
Hydraulic Motor – Hydraulic Connections 12 mph (20 km/h)
Power Train Diagram 12 mph (20 km/h)
ECO-Speed – Hydraulic Motor 25 mph (40 km/h)
ECO Speed Power Train (25 mph [40 km/h]): Diagram
Test Report Model
Towing And Transporting The Machine
Check And Adjustment Instructions
Drive Electronics Operator’s Manual (SUSMIC)
Procedures (Sensor)
-AXLES
Serial Plate – Axle
Front Axle Screw Connections
Rear Axle Screw Connections
Drain, Fill And Check Plug – Front Axle
Drain, Fill And Check Plug – Rear Axle
Tightening Torques – Front Axle
Tightening Torques – Rear Axle
Sealing Work
-BRAKES
Brake Circuit
Service Brake
-STEERING
Steering Circuit
Steering Circuit
Hydraulic Ports On Servostat
Pressure Relief Valve – Servostat: Settings
Front/Rear Axle Steering Cylinder
Setting The Steering Sensors
-HYDRAULIC SYSTEM
Test Report
Control Valve Connections: Overview
Control Valve: Design
Pilot Control Unit: Design
Valve Block Connections: Overview
Pilot Control Circuit
Work Hydraulics Circuit
Load Stabilizer Circuit With Hose Burst Valve
Load Stabilizer: Circuit Diagram
Load Stabilizer With Hose Burst Valve: Circuit Diagram
Hose Burst Valve With Load Stabilizer: Connections
Hose Burst Valve Circuit
Hose Burst Valve Circuit
4th Control Circuit (Front/Rear)
4th Control Circuit (Front/Rear) Circuit
Lift Cylinder: Sealing Work
Tilt Cylinder: Sealing Work
Control Cylinder (Quickhitch Frame): Sealing Work
Work Hydraulics Diagram: Legend
Work Hydraulics Diagram
-ELECTRICAL SYSTEM
Ohm’s Law (Current, Voltage, Resistance Generates Power)
Measuring Equipment And Methods
Terminal Description
Cable Color-Coding
Relays
Electrical Units
Fuse Box On Left And Right Of Steering Column
Main Fuse Box With Relays
Relays
Steering Electronics
Instrument Panel, Fuse Box, Relays: Overview
Legend For Wiring Diagram
Wiring Diagram
Legend For Wiring Harness
Wiring Harness
Plug-SUSMIC
Relay Assignment
Plug And Socket Connection