Part of the Case IH Repair Manuals.
Factory provenance sits on the cover: document GSS-1505-1, 550 pages, the Case IH 5088, 5288, 5488 service manual PDF written for these three row crop tractors. Wiring diagrams follow the Digital Data Center 1A and Sentry System circuits connector by connector, while the hydraulic chapters trace power priority flow through the motor and auxiliary valves. Testing and troubleshooting the hydraulic system fills the back end of the book, pressure checks and symptom tables included. Set the neutral start switch clearance at 38 to 51 mm (1.5 to 2.0 in.); the stop spacer on your 5288 or 5488 measures 34.87 mm (1.372 inches), and master clutch retaining fittings torque to 240 to 270 N·m (177 to 200 ft. lbs.). Bookmarks by system and a searchable text layer open the transmission or rear frame chapter in seconds, so the split closes while the weather still holds.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Work Rules | 8-9 | Safety Stands, Hydraulic Jacks, Frame Lock Pin, Safety Glasses, Fire Extinguisher, Protective Fixture |
| Standard Torque Data for Hydraulic Tubes and Fittings | 10-11 | Tube Nuts, O-Ring Boss Plugs, Adjustable Fittings, Swivel Nuts, Straight Threaded Fittings |
| Metric Conversion Tables | 12-13 | Inches to Millimeters, Millimeters to Inches |
| Standard Torque Data for Nuts and Bolts | 14-16 | Inch Nuts, Inch Bolts, Metric Nuts, Metric Bolts, Bolt Type Identification |
| Special Service Tools Required | 17-22 | Tractor Handler, Rear Frame Handler, Splitting Adapter, Support Assembly, Engine Support Hooks, Adapter Plates |
| Service Information System (S.I.S.) | 23-26 | Film Viewer, Program Cartridge, Training Programs, Service Manuals |
| Tractor Splits | 27-58 | Speed Transmission Split, Range Transmission and Rear Frame Split |
| Front Axle Assembly | 59-130 | Standard Adjustable Front Axle, High Capacity Front Axle, All Wheel Drive Axle |
| Steering | 131-164 | Steering Hand Pump, Power Steering Cylinder |
| Engine | 165-172 | Engine Flywheel Split, Engine Removal |
| Fuel System | 173-176 | Main Fuel Tank, Auxiliary Fuel Tank |
| Electrical System | 177-208 | Digital Data Center 1A, Sentry System, Wiring Diagrams |
| Cooling System | 209-218 | Forward Air Flow, Radiator |
| Master Clutch | 219-226 | Disassembly, Reassembly |
| Transmission | 227-302 | Range Transmission, Speed Transmission Overhaul, All Wheel Drive Clutch |
| Rear Frame Assembly | 303-362 | Differential Assembly, Differential Overhaul in Chassis, Rear Frame Overhaul |
| Rear Axle Assembly | 363-378 | Rear Axle Split, Planetary Assembly |
| Brakes | 379-390 | Brake Valve Service, Brake Pedal and Linkage Adjustment |
| Independent Power Take Off | 391-412 | IPTO Assembly, Dual Speed IPTO Assembly, IPTO Valve Adjustment |
| Hydraulic System | 413-502 | Power Priority Hydraulic System Operation, Motor and Auxiliary Valves |
| Testing Hydraulic System | 503-550 | Troubleshooting, Steering/Regulated System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Gould Solenoid mounting torque | 20 N·m (180 in-lb) | p. 502 |
| Neutral start switch adjustment clearance | 38-51 mm (1.5-2.0 in.) | p. 208 |
| Master clutch mounting bolts torque | 54 to 61 N·m (39 to 44 ft. lbs.) | p. 224 |
| Master clutch retaining fittings torque | 240 to 270 N·m (177 to 200 ft. lbs.) | p. 225 |
| Stop spacer length (5288 and 5488) | 34.87 mm (1.372 inches) | p. 221 |
| Stop spacer length (5088) | 36.33 mm (1.426 inches) | p. 221 |
| Gould Coil mounting nut torque | 15 N·m (130 in-lb) | p. 502 |
| Hydraulic Pump Cutoff Pressure | 18271 kPa (2650 ± 50 psi) | p. 415 |
| Pressure Regulator Valve (Brakes, Clutches, Seat, AWD, Ipto) | 1585-1930 kPa (230-280 psi) | p. 436 |
| Transmission Lubrication Relief Valve Pressure | 241 to 379 kPa (35 to 55 psi) | p. 506 |
| 5088 | ||
| Steering Relief Valve Pressure (Standard Axle) | 14825 kPa (2150 psi) | p. 436 |
| 5288, 5488 | ||
| Steering Relief Valve Pressure (High Capacity/AWD Axle) | 16890 kPa (2450 psi) | p. 436 |

















