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Part of the Case Repair Manuals.
This 942-page Case 1150 Crawler Shop Manual (OEM #9-72483) covers the A401 and B401 engines, T593 transmission, and undercarriage on your crawler dozer, plus crossover coverage for 1270 and 1370 Tractors, 2470 Tractors, and the Model 34 and 36 Backhoes. Open it up and you get complete wiring diagrams for the electrical system, hydraulic schematics for the loader and dozer control valves, and a full troubleshooting section for the torque converter. Set the A16690 loader pump to 44 GPM at 1800 RPM and 2000 PSI, then torque the pump tie bolts to 125 ft-lbs before you button it back up. No more flipping through three different parts books trying to match a pump casting number to the right spec. Bookmarked by system so you jump straight to Engines, Hydraulics, or Track and Suspension without scrolling past 900 pages, and it opens fine on a phone in the shop.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 3-46 | Engine Removal, Cooling System, Engine Air Intake System |
| Engines | 47-314 | A401 Engine (Cylinder Heads, Valve Systems, Rocker Arms, Decompressor, Engine Block, Servicing the Front Mounted Oil Pump) |
| Fuel System | 315-404 | Fuel Injectors - Case Powrcel Fuel Injection Pump, Fuel System and Filters, Fuel Injection Pump, Fuel Injectors |
| Hydraulics | 405-536 | Equipment Pump A16690, D35994, Equipment Pumps D40285, D43363, D43382, Loader and Dozer Control Valves, Hydraulic Cylinders, Hydraulic Cylinders for Model 34 Backhoe |
| Track and Suspension System | 537-612 | Track Plates and Links, Track Service and Maintenance, Track Adjustments, Idler Wheel, Track Rollers, Sprockets |
| Power Train | 613-676 | T593 Transmission and Final Drives, Torque Converter Troubleshooting |
| Electrical System | 677-734 | Electrical System and Instruments |
| Mounted Equipment | 735-942 | Front Counterweight, Rear Counterweight, Drawbars, Undercarriage Guards |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic pump (A16690 loader models) Rated capacity | 44 G.P.M. @ 1800 R.P.M. @ 2000 P.S.I. | p. 408 |
| Hydraulic pump (D35994 dozer models) Rated capacity | 31 G.P.M. @ 1800 R.P.M. @ 2000 P.S.I. | p. 408 |
| Oil Pump Relief Valve Spring Total Coils | 13 | p. 294 |
| Oil Pump Relief Valve Spring Wire Thickness | .067" | p. 640 |
| Clutch shaft end play | .010" to .014" | p. 614 |
| Clutch Springs No. of Coils | 9 | p. 640 |
| Hydraulic oil level (cause of sluggish movement) | too low | p. 479 |
| Hydraulic oil filter (cause of sluggish movement) | Partially restricted | p. 479 |
| Torque Converter Operating Temperature (maximum) | 250° F. | p. 660 |
| Torque Converter Temperature Gauge (normal/green zone) | 140° to 250° F. | p. 695 |
| Engine Oil Capacity (with filter change) | 15 Qts. | p. 3 |
| Engine Oil Pressure (Rated Speed) | 45 to 55 Pounds | p. 3 |
