CASE 688C CRAWLER EXCAVATOR WORKSHOP SERVICE REPAIR MANUAL

CASE 688C CRAWLER EXCAVATOR WORKSHOP SERVICE REPAIR MANUAL
LANGUAGE: ENGLISH
FORMAT: PDF
PAGES: 556
FILE SIZE: 121MB

MODEL COVERED:

CASE 688C

ENGINE: 6WG1

JI CASE, 4T-390

4 CYLINDER, TURBOCHARGED 4 STROKE CYCLE

ISSUED:

8-88993

MARCH, 1993
 

CONTENTS:

1 GENERAL

Safety, General Information and Torque Specifications

Specifications

2 ENGINE

Sectional Index

Engine Removal and Installation

Radiator and Oil Cooler

Specifications Details

Cylinder Head and Valve Train

Cylinder Block

Lubrication System

Cooling System

Turbocharger

Turbocharger Failure Analysis

3 FUEL SYSTEM

Sectional Index

Fuel System and Filters

Fuel Injection Pump and Drive Gear

Fuel Injectors

4 ELECTRICAL

Sectional Index

Electrical Schematics and Troubleshooting

Battery Testing, Maintenance and Booster Battery Connections

Starter Motor

Alternator

5 TRACK

Sectional Index

Tracks, Rollers and ldlers

Track Troubleshooting

6 POWER TRAIN

Sectional Index

Drive Motor and Final Drive Transmission

Swing Motor and Reduction Gears

8 HYDRAULICS

Hydraulic Troubleshooting

Low Pressure Pump

High Pressure Pump and Regulator

Attachment Valve Bank

Drive Control Valve

Option Contro1-va1ve

Counter Rotation Valve

Swing Brake Release Valve

Swing Control Valve

Anti-surge Valve

Hydraulic Swivel

Drive Speed Umiter

Drive Brake Release Valve

Hand and Foot Control Valve

Hydraulic Oil Tank

Attachment Cylinders

Hydraulic Pick Hammer Control Valve

9 MOUNTED EQUIPMENT

Upperstructure and Turntable Bearing

Boom, Dipper and Bucket

Servicing the Cab

NB: THIS MANUAL IS NOT INDEXED