Part of the Case Repair Manuals.
Looking for the factory specs to rebuild your crawler excavator? This 971-page Case Corporation 1088 Service Manual PDF (OEM #DON 8-86380) breaks down the complete engine, powertrain, and hydraulic systems for the 1088 machine. You get complete electrical schematics for the control panel, detailed hydraulic layouts mapping the high-pressure pump and attachment valve bank, and dedicated troubleshooting charts for the drive motor. Open up the torque tables to find exact tightening sequences for the turntable bearing and final drive transmission. Verify your cold exhaust valve tappet clearance at exactly 0.508 mm, and confirm the new injector assembly opening pressure hits between 231 and 253 Bar before buttoning up the engine block. A dead excavator means lost revenue on the job site. Grab this digital download, navigate instantly using the built-in bookmarks, and get your machine digging again.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 5-36 | Sectional Index, Safety, General Information and Torque Specifications, Specifications |
| Engine | 37-280 | Sectional Index, Engine Removal and Installation, Radiator and Oil Cooler |
| Fuel System | 281-346 | Fuel Filters, Fuel Injection Pump, Fuel Injectors, Primer Pump, Fuel Shutoff Solenoid, Timing Lock Pin |
| Electrical | 347-439 | Alternator, Battery, Starter Motor, Electrical Schematics, Printed Circuit Board, Control Panel |
| Track | 440-459 | Tracks, Rollers, Idlers, Sprocket, Spring |
| Power Train | 460-531 | Drive Motor, Final Drive Transmission, Swing Motor, Reduction Gears, Brake |
| Hydraulics | 532-909 | High Pressure Pump, Low Pressure Pump, Regulator, Attachment Valve Bank, Drive Control Valve, Hydraulic Swivel |
| Mounted Equipment | 910-971 | Upperstructure, Turntable Bearing, Boom, Dipper, Bucket, Cab |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Injector Assembly Opening Pressure (New) | 231 to 253 Bar (3350 to 3670 psi) | p. 25 |
| Injector Assembly Opening Pressure (Used) | 221 to 250 Bar (3200 to 3625 psi) | p. 25 |
| Fuel Line Fitting (High Pressure) Torque | 24 Nm (18 lb ft) | p. 32 |
| Fuel Line Fitting (Low Pressure) Torque | 24 Nm (18 lb ft) | p. 32 |
| Exhaust Valve Tappet Clearance (Cold) | 0.508 mm | p. 30 |
| Exhaust Valve Head Edge Thickness, Minimum | 1.50 mm | p. 30 |
| Fuel Shutoff Solenoid Torque | 15 Nm (11 lb ft) | p. 32 |
| Fuel Shutoff Solenoid, 6T-590 and 6TA-590 Engine Torque | 32 lb ft (43 Nm) (4.3 kgm) | p. 31 |
| Engine Oil Capacity (with filter change) | 15.4 litres | p. 18 |
| Fuel Tank Capacity | 330 litres | p. 18 |
| Total Hydraulic System Capacity | 210 litres | p. 18 |
| Drawbar Pull | 182000 N | p. 18 |
