Part of the Case Repair Manuals.
The 2090 and 2290 are Case's heavy six-cylinder workhorses, and after decades in the field they earn their keep only if you can keep the hydraulics, the power train and the fuel system honest. This is the real factory service manual, part 8-20000R0, 1,755 pages covering the six-cylinder diesel (naturally aspirated on the 2090, turbocharged on the 2290), fuel, electrical, steering, power train, brakes, hydraulics and accessories, plus a How It Works theory section. Whether you are chasing weak hydraulics, a starter that will not engage, or an engine that fades under load, it is here in factory order with the capacities, speeds and torque values to work to.
What's Inside This Case 2090, 2290 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Machine and Engine Specifications, Lubrication, Fluid Capacities, Standard Torque Values, General Service | |
| Engines | Six Cylinder Diesel Repair (Naturally Aspirated 2090, Turbocharged 2290), Cylinder Head, Block, Timing, Lubrication, Cooling | |
| Fuel System | Injection Pump, Injectors, Fuel Supply, Filters, Governor, Speed Settings | |
| Electrical | Wiring Diagrams, Charging and Starting, Lighting, Gauges, Instruments | |
| Steering | Hydrostatic Power Steering, Steering Pump and Valve, Cylinders, Linkage | |
| Power Train | Transmission, Clutch, PTO, Range and Speed Selection, Final Drives, Differential | |
| Brakes | Service and Park Brakes, Brake Valves, Bleeding and Adjustment | |
| Hydraulic | Hydraulic Pump, Control Valves, Three Point Hitch, Remote Circuits, Reservoir | |
| Accessories | Cab, Heating and Air Conditioning, Operator Controls, Optional Equipment | |
| How It Works | System Operation and Theory for the Engine, Power Train, Steering and Hydraulics |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| By model | ||
| Engine | Six cylinder diesel (2090 naturally aspirated, 2290 turbocharged) | |
| Both | ||
| Rated Engine Speed | 2100 rpm | |
| Governed Speed (no load) | 2280 to 2320 rpm | |
| Idle Speed | 725 to 775 rpm | |
| Fuel Tank Capacity | 65 US gal (246 L) | |
| Cooling System Capacity | 38 US qt (36 L) | |
| Transmission/Hydraulic Capacity (with hitch) | 100 US qt (94.6 L) | |
| Transmission/Hydraulic Capacity (no hitch) | 90 US qt (85.2 L) | |
| Power Steering Pump Flow (at 2100 rpm) | 8 GPM (30.3 L/min) | |
| Production Years | 1978 to 1984 | |
| 2090 | ||
| Engine Oil Capacity (with filter) | 19 US qt (17.8 L) | |
| 2290 | ||
| Engine Oil Capacity (with filter) | 20 US qt (18.9 L) | |
Case 2090, 2290 Common Problems This Manual Covers
Insufficient or erratic hydraulic system oil flow
Weak or erratic flow usually traces to a worn hydraulic pump or a clogged hydraulic filter. Change the filter and check the fluid level and condition against the system capacity, then run the flow test and check pump output against spec before replacing the pump. The hydraulic section gives the flow values and pump service.
Manual Section: HydraulicStarting system does not engage the starter motor
A no crank usually points to a faulty starter solenoid or a degraded starter motor, though it starts with the battery and cables. Check battery voltage and the connections, test the solenoid and the starter draw, and confirm the safety start switch. The electrical section covers the starting circuit and the tests.
Manual Section: ElectricalEngine will not maintain power under load
Power loss under load is most often fuel delivery or an air intake restriction. Change the fuel filters and check supply and injection pump delivery, then inspect the air cleaner and, on the 2290, the turbocharger and boost. The fuel system and engine sections cover the injection pump service and the speed settings.
Manual Section: Fuel SystemFrequently Asked Questions
What does Case part number 8-20000R0 cover?
It is the full factory service manual for the Case 2090 and 2290 tractors, 1,755 pages covering the six-cylinder diesel engine, fuel, electrical, steering, power train, brakes, hydraulics and accessories, plus a How It Works reference section.
The hydraulics on my 2290 are weak or erratic, where do I start?
Insufficient or erratic hydraulic flow usually points to a worn hydraulic pump or a clogged filter. The hydraulic section covers the pump, the flow test and the system capacities, and the fluid change so you can isolate it.
What are the engine connecting rod bolt torque values?
The General and Engines sections carry the standard torque specifications and the engine repair procedures, including the connecting rod bolts, along with the fluid capacities and speed settings.
How do I service or reset the PTO dual speed selector on a 2290?
The power train section covers the PTO, including the dual speed selector operation, adjustment and service procedure.
Is this the same manual a Case dealer uses?
It is the factory service manual (part number 8-20000R0), the same step by step repair, specification and torque data the 2090 and 2290 were built and serviced to.
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