Part of the Case Repair Manuals.
Looking for a Case 980 service manual PDF that actually came from the factory? All 513 pages of this Case 980 Excavator Service Manual (OEM #9-73476) take you from engine block to turntable bearing. Inside: full hydraulic schematics with relief valve pressure settings, electrical diagrams for the starter and charging circuits, and page after page of teardown procedures covering the cylinder head, crankshaft, Bosch injection pump, and Roosa Master injectors. You also get a real troubleshooting section, so you can diagnose before you pull a single bolt. Set the connecting rod bolts at 95 to 105 ft. lbs., torque the crankshaft nut to 125 to 135, and confirm fuel system pressure holds 20 to 30 PSI. Forum guesses won't rebuild your final drive. This bookmarked PDF opens on any device; take your tablet out to the machine and start wrenching.
What's Inside This Case 980 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 2-3 | Engine, Fuel System, Hydraulics, Track and Suspension, Power Train |
| Series - General | 4-39 | Engine Specifications, Overall Unit Dimensions, Track Dimensions, Electrical System, Hydraulic Valves Pressure Settings, Scheduled Maintenance Chart |
| Series - Engine | 40-223 | Engine Diagnosis, Engine Tuneup, Cylinder Head, Valve Train and Camshaft, Cylinder Block, Sleeves, Pistons and Rods, Crankshaft |
| Series - Fuel System | 224-271 | Fuel System and Filters, Robert Bosch Fuel Injection Pump, Roosa Master Fuel Injectors |
| Series - Hydraulics | 272-393 | Hydraulic Specifications, Diagram, Trouble Shooting, And Adjustments, Hydraulic Pump and Motors, Hydraulic Control Valves, Relief Valves, Check Valves and Swivel |
| Series - Track and Suspension | 394-407 | Undercarriage, Track Links, Track Rollers, Idler Wheel, Track Adjustment Cylinder |
| Series - Power Train | 408-463 | Final Drive Transmission, Swing Reducer and Brake, Turntable Bearing |
| Series - Brakes | 464-475 | Track Drive Brake |
| Series - Electrical | 476-513 | Starter Circuit, Charging Circuit, Starter, Alternator, Electrical Schematic |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Camshaft nut | 95 to 105 ft. lbs. | p. 37 |
| Connecting rod bolts | 95 to 105 ft. lbs. | p. 37 |
| Fuel system operating pressure | 20 to 30 PSI | p. 225 |
| Bearing cap capscrew torque | 35 ft. lbs. | p. 379 |
| Torque for mounting bolts | 200 ft./lbs. | p. 403 |
| Torque for bushing assembly bolts | 40 ft./lbs. | p. 403 |
| Cylinder Head Bolt Torque | 210 ft. lbs. | p. 113 |
| Main Bearing Cap Bolt Torque | 155 ft. lbs. | p. 167 |
| Hydraulic Pump Rating | 39 GPM @ 2000 RPM | p. 275 |
| Alternator Output | 35 Amp | p. 11 |
