Part of the Case Repair Manuals.
Factory answers for the Case 880 excavator sit in one book: OEM publication 9-72127, the 431 page Case 880 service manual PDF that settles the pressures, clearances, and rebuild sequences no forum thread agrees on. The hydraulics section walks the equipment circuit from the main pump through the center swivel to the drive and swing motors, testing and troubleshooting each component in turn, and a wiring diagram maps the charging system from battery through ammeter to generator and regulator. Troubleshooting charts run the engine from hard starting and misfires through overheating and oil consumption, each path ending at a cause you can act on. When a boom cylinder comes apart on your bench, torque the piston retaining bolt to 1500 to 1800 ft. lbs. and seat the seal gland at 100 to 200 ft. lbs. A parked 880 burns crew hours by the shift. Bookmarks and a full text layer land you on the right section in seconds.
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 4-37 | General Engine Specifications, Scheduled Maintenance, Lubrication Guides |
| General Engine Maintenance | 38-53 | Engine RPM Check, Throttle Linkage Adjustment, Engine Removal, Engine Inspection, Engine Installation |
| Air Cleaner System Maintenance | 54-73 | Dust Collection Cup, Main Element Cleaning, Air Induction System Do's and Don'ts, Restriction Indicator |
| Engine Diagnosis | 74-103 | Engine Hard to Start, Engine Misfires, Engine Knocks, Engine Overheating, Engine Lacks Power, Oil Consumption |
| Cylinder Head, Valve Train and Camshaft | 104-147 | Cylinder Head Reconditioning, Valve Seat Replacement, Camshaft Bushing Replacement, Valve Lifter Inspection, Valve Timing |
| Fuel System and Filters | 148-197 | Fuel System Filters, Fuel Injection Pump, Fuel Injectors, Fuel System Flow, Injection Pump Timing |
| Lubricating System | 198-213 | Balancer Oil Pump, Oil Filter, Heat Exchanger, Oil Flow Diagrams, Two and Three Gear Balancer |
| Cooling System | 214-235 | Water Manifold, Water Pump, Thermostats, Cooling System Cleaning, Safety Precautions |
| Fuel System | 236-281 | Fuel System and Filters, Robert Bosch Fuel Injection Pumps, Roosa Master Fuel Injectors |
| Hydraulics | 282-361 | Equipment Hydraulics System, Hydraulic System and Component Trouble Shooting, Main Hydraulic Pump, Hydraulic Center Swivel and Drive Motors, Hydraulic Valves, Hydraulic Cylinders |
| Track and Suspension | 362-389 | Track and Suspension System |
| Drive Train | 390-399 | Final Drive Transmissions |
| Brakes | 400-409 | Drive Brake and Swing Brake Assemblies |
| Electrical | 410-431 | Electrical System, Charging System, Trouble Shooting Procedures |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Piston retaining bolt torque | 1500-1800 ft. lbs. | p. 344 |
| Gland torque | 100-200 ft. lbs. | p. 344 |
| Bearing covers torque | 22 ft./lbs. | p. 360 |
| Pillow block bolts torque | 200-240 ft./lbs. | p. 395 |
| Transmission Mounting Bracket bolt torque | 810-990 ft./lbs. | p. 395 |
| Engine Oil Pressure (at rated speed) | 45 to 55 PSI | p. 4 |
| Fuel Injector Opening Pressure | 2800 PSI | p. 4 |
| Cylinder Head Bolt Torque | 200 to 210 ft. lbs. | p. 35 |
| Main Relief Valve Pressure | 2250 PSI | p. 301 |
| Swing Cushion Relief Valve Pressure | 1350 PSI | p. 303 |
| Track Roller Bolt Torque | 320-330 foot pounds | p. 383 |
| Engine Idling Speed | 725 to 775 RPM | p. 4 |













