Case 688 Repair Manual [Crawler Excavator]

Case 688 Repair Manual for Crawler Excavator. Step by step instructions and illustrations.

Troubleshooting, removal, disassembly, inspection and installation procedures, and complete specifications and tightening references can be found in most sections. Some sections have drawings but no written procedure because the job is so easily done. This service manual is one of the most important tools available to the service technician.

Instant Download
Searchable Text: Fast Search option by any word
Bookmarks: easy navigation allowing you quickly jump to any chapter
Printable: 1 page or entire manual
Zoomable: detailed exploded diagrams, pictures
Models Covered

Case 688 Crawler Excavator

In Content

GENERAL
Safety Rules, General Information and Torque Specifications
General Engine Specifications
Detailed Engine Specifications
General Machine Specifications
Maintenance and Lubrication
ENGINE
Engine Removal and Installation and Radiator Removal and Installation
Engine Accessories
Cylinder Head and Valve Train
Cylinder Block, Pistons, Rods, Camshaft, Main Bearings,
Oil Seals, and Flywheel
Lubrication System
Cooling System
Turbocharger
Turbocharger Failure Analysis
FUEL SYSTEM
Fuel Lines, Fuel Tank, and Engine Controls
Fuel System and Filters
Fuel Injection Pump and Drive Gear
Fuel Injectors
ELECTRICAL
Removal and Installation of Electrical Components
Electrical Specifications and Troubleshooting
Electrical Schematic
Batteries
Starter and Starter Solenoid
24 Volt Alternator
TRACK
Removal and Installation of Track Components
Troubleshooting
Track Chain and Shoes
Track Rollers, Idler, and Sprocket
POWER TRAIN
Removal and Installation of Power Train Components
Maintenance
Drive and Swing Motor
Final Drive Transmission
Swing Transmission
HYDRAULICS
Removal and Installation of Hydraulic Components
Maintenance and Service
Specifications and Troubleshooting
High-Pressure Pump
Low-Pressure Hydraulic Pump
Attachment Control Valve
Drive Control Valve
Control Valve for Options
Solenoid Control Valve and Swing Brake Release Valve
Swing Control Valve
Hydraulic Swivel
Hand Control Valve
Foot Control Valve
Hydraulic Hammer Control Valve
Variator
Selector Block
Cylinders
MOUNTED EQUIPMENT
Boom, Arm, and Tool
Turntable Bearing and Related Parts
SCHEMATICS IN REAR POCKET
Electrical Schematics
Location Schematics (Left)
Location Schematics (Right)
Hydraulic Schematics