Komatsu 980e-4 Dump Truck Workshop Service Manual
Pdf Sn A50003 And Up
Table of contents:
- Index
Composition of shop manual
Foreword, safety and general information
How to read the shop manual
General safety
Precautions before operating the truck
Precautions while operating the truck
Working near batteries
Precautions before performing service
Precautions while performing service
Tires
Precautions for performing repairs
Precautions for welding on the truck
Capacitor discharge system
Handling electrical equipment and hydraulic components
Standard tightening torques
Conversion tables
Operating instructions
Preparing for operation
Retractable ladder system
Engine start-up 13
After engine start-up
Pre-shift brake check
Emergency steering system
Precautions during truck operation
Operating on a haul road
Starting on a grade with a loaded truck
Sudden loss of engine power or loss of drive system function
Fuel depletion
Towing
Loading the dump body
Dumping a load
Disabled truck dumping procedure
Safe parking procedure
Normal engine shutdown procedure -
Komatsu 980e-4 Dump Truck Workshop Service Manual
01 Specification
Specification and technical data
Specification drawing
Specifications
Weight table
Fuel, coolant and lubricants
10 Structure, function and maintenance standard
Steering circuit
Steering circuit operation
Steering circuit components
Flow amplifier operation
Steering/brake pump operation
Steering cylinder wear data
Hoist circuit
Hoist circuit operation
Hoist circuit components
Hoist pilot valve operation
Hoist cylinder wear data
Brake circuits
General information
Service brake circuit operation
Secondary braking
Automatic brake application (Auto apply)
Parking brake circuit operation
Wheel brake lock circuit operation
Brake warning circuit operation
Brake assembly wear data
Electrical system, 24V
Battery supply system
Engine starting system with prelube
Auxiliary control cabinet components
Body-up switch
Hoist limit switch
Electrical system, AC drive
General system operation
System components
DSC software functions
Alternator field control
Event detection and processing
Event logging and storage
Abnormal conditions/overriding functions
AC drive system component table
Electronic accelerator and retarder pedals