Case 980B Excavator Service Manual

• Covers Case 980B Excavator
• P/N 9-66739
• 654 pages
• Downloadable PDF format
• 102mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case 980B Service Manual PDF includes over 650 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The service manual was digitally reproduced from the original dealer manual into a clear, searchable PDF format and is ideal for mechanics repairing or overhauling the Case 980B excavator. In addition to all machine systems, engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.

Latest edition.

Topics: 

GENERAL INFORMATION

• Detailed Engine Specifications
• Detailed Fuel System Specifications
• Maintenance and Lubrication
• Torque Specs
• General Cleaning Instructions
• Safety

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

FUEL SYSTEM

• Fuel System and Filters
• Fuel Injector Pumps
• Fuel Injectors
• Fuel Tank, Fuel Lines, and Fuel Storage

HYDRAULICS

• Hydraulic System Maintenance
• System Description, Diagnostic Tests and Checks
• Hydraulic Diagrams
• Hydraulic Pump
• Control Valves
• Servicing the Hydreco Valves
• Swing Motor Circuit, Swing Motor, Crossover Relief Valve
• Hoist Cylinder Circuit
• Crowd Cylinder Circuit
• Tool Cylinder Circuit
• Leveler Circuit, Leveler Lock Valve

HYDRAULICS

• Track Drive Circuits, Drive Motors,
• Drive Range Solenoid Valve, Hydraulic
• Swivel and Inner Swivel
• Power Sensing Valve
• Monoblock Valve
• Hydraulic Cylinders

TRACK AND SUSPENSION

• Track Frame
• Track Service
• Removal and Installation
• Rollers
• Idler Wheel
• Adjustment Cylinder
• Sprockets

POWER TRAIN

• Final Drive Transmission and Digging Brake

ELECTRICAL

• Wiring Diagram
• System Description and Troubleshooting
• Batteries
• Starter, Starter Solenoid and Magnetic Switches
• Alternator

MOUNTED EQUIPMENT

• Swing Gearbox and Brake
• Procedure for Assembly of Swing Gear Box
• Booms and Tool
• Carbody and Leveler
• Turntable Swing

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