Factory Service Repair Manual For Case 980 Excavator. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 513
Bookmarks: Yes
Searchable: No
Number: 9-73476
Wiring Diagrams: Yes
Hydraulic Diagrams:No

Model

Case 980

Contents

– GENERAL
General Information
General Engine Specifications
Detailed Specifications
Overall Unit Dimensions
Track Dimensions
Boom and Dipper Dimensions
Electrical System
Hydraulic Valves Pressure Settings
Scheduled Maintenance Chart
Lubricants and Fluids Charts
Pictorial Listing of Lubrication Fittings
Checking Engine Oil
Changing Engine Oil and Filter
Diesel Fuel System

– ENGINE
Engine Diagnosis
Engine Tuneup
Cylinder Head, Valve Train and Camshaft
Cylinder Block, Sleeves, Pistons and Rods
Crankshaft, Main Bearings, Flywheel And Oil Seals
Lubrication System, Oil Pump, Heat Exchanger and Oil Flow Diagrams
Cooling System, Water Manifolds, Water Pump and Thermostats
Turbocharger Failure Analysis

– FUEL SYSTEM
Fuel System and Filters
Robert Bosch Fuel Injection Pump
Roosa Master Fuel Injectors

– HYDRAULICS
Hydraulic Specifications, Diagram, Trouble Shooting, And Adjustments
Hydraulic Pump And Motors
Hydraulic Control Valves, Relief Valves, Check Valves And Swivel
Hydraulic Cylinders
Hydraulic Schematic
–TROUBLESHOOTING GUIDE
Talk to Operator
Oil Check
Linkage Check
Stall Check
Check Main Reliefs & High and Low Secondary Reliefs
Hand Pump Secondaries
Flowmeter Installation
Suction Line & Pump Test
System “T” Test (Pump No 1)
Crowd “T” Test
Right Track & Swing Circuit “T” Test
Fast Hoist “T” Test
System “T” Test (Pump No 2)
Tool or Bucket “T” Test
Hoist Cylinder “T” Test
Left Track “T” Test
Utility (Wrist-O-Twist) “T” Test
Track & Center Swivel
Leveler Cylinders “T” Test
TROUBLESHOOTING GUIDE
CHARTS:
Engine Stall Test
Pressure Checks
High-Pressure Secondaries
Flowmeter Tests
Flushing the Hydraulic System

– TRACK AND SUSPENSION
Track And Suspension
Specifications
Undercarriage
Track Links
Removing Shoes
Track Reassembly
Track Adjustment
TRACK ROLLERS
Disassembly
Inspection
Assembly
Idler Wheel Removal And Assembly
Track Adjustment Cylinder

– POWER TRAIN
Final Drive Transmission
Swing Reducer And Brake
Turntable Bearing
Specifications
FINAL DRIVE TRANSMISSION
Exploded View
Cutaway View
Tools
Inspection
Assembly Procedure
Disassembly

– BRAKES
–TRACK DRIVE BRAKE
Exploded View of Track Brake
Brakes “APPLIED”
Brakes “RELEASED”
Adjustment
Removal
Disassembly
Inspection and Repair
Assembly
TRACK BRAKE CYLINDER
Inspection
Shim Kit Installation instructions
TRACK BRAKE SHUT-OFF VALVE
Disassembly
Inspection
Reassembly

– ELECTRICAL
Electrical
SPECIFICATIONS
TROUBLESHOOTING THE STARTER CIRCUIT
Trouble Shooting Guide
Starter Electrical Circuit
Tests And Procedures
TROUBLESHOOTING THE CHARGING CIRCUIT
Precautions in Alternator Servicing
Trouble Shooting Guide
Tests and Procedures
SERVICING THE STARTER
Removal Disassembly And Inspection
Testing
Assembly and Installation
Pinion Clearance
Starter Solenoid
SERVICING THE ALTERNATOR
Disassembly And Inspection
Testing
Resistor Testing
ELECTRICAL SCHEMATIC