Case 980B Excavator Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Case 980B Excavator.
This manual contains deep information about maintaining, assembly, disassembly and servicing your Crawler Excavator.
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.
Models & Serials Covered:
9-66739
Table of Contents:
10 SERIES – GENERAL
General Engine Specifications
Detailed Engine Specifications
Detailed Fuel System Specifications
Maintenance and Lubrication
Torque Charts
General Cleaning Instructions
Safety Rules
20 SERIES – ENGINE
Engine Diagnosis
Engine Tune-Up
Cylinder Head, Valve. Train, Backlash and
Adjustment
Cylinder Block, Sleeves, Pistons and Rods
Crankshaft, Main Bearings, Flywheel
and Oil Seal Replacement
Lubricating System
Air Cleaner
Cooling System
Turbocharger System
Turbocharger Failure Analysis
30 SERIES – FUEL SYSTEM
Fuel System and Filters
Fuel Injector Pumps
Fuel Injectors
Fuel Tank, Fuel Lines, and Fuel Storage
40 SERIES – HYDRAULICS
Hydraulic System Maintenance
System Description, Diagnostic Tests and Checks
Hydraulic Diagrams After PIN 6204050. System
Description, Tests and Adjustments, and Flowmeter
Tests After PIN 6204050
Hydraulic Pump
Control Valves
Servicing the Hydreco Valves
Swing Motor Circuit, Swing Motor,
Crossover Relief Valve
Swing Motor- Machines After PIN 6204050
Hoist Cylinder Circuit
Crowd Cylinder Circuit
Tool Cylinder Circuit
Leveler Circuit, Leveler Lock Valve
40 SERIES – HYDRAULICS
Track Drive Circuits, Drive Motors,
Drive Range Solenoid Valve, Hydraulic
Swivel and Inner Swivel
Power Sensing Valve
Monoblock Valve
Hydraulic Cylinders
50 SERIES – TRACK AND SUSPENSION
Track Frames
60 SERIES – POWER TRAIN
Final Drive Transmission and Digging Brake
80 SERIES – ELECTRICAL
System Description and Troubleshooting
Electrical System- After PIN 6204050
Batteries
Starter, Starter Solenoid and Magnetic
Switches
Alternator
90 SERIES – MOUNTED EQUIPMENT
Swing Gearbox and Brake
Procedure for Assembly of Swing Gear Box S955769
Booms and Tool
Carbody and Leveler
Turntable Swing
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