Gehl 680 Service Manual Wheel Loader 918123 manuals in PDF

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

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