Case B275 International Harvester Service Manual (IH-201)

Case B275 International Harvester Service Manual (IH-201)

These old Case B275s usually live on small farms and acreages—loader work, mowing, raking, maybe a bit of plowing—often in dusty yards and cold sheds. This IH-201 service manual is what you use when you want to trace a fault properly instead of just throwing parts at it. Say the tractor starts hard and smokes; the book walks you through how to check fuel, air, and timing in order, so you can verify what’s actually out of spec before you buy a pump or tear into the head.

Applications & Use Cases

• Track down a no-start by following the step-by-step tests on fuel, ignition, and compression, so you can isolate the fault instead of guessing.
• Inspect and adjust brakes and clutch with the right sequences, making sure you align linkages and verify free play before you button it up.
• Route wiring correctly after an alternator or light repair, using the diagrams to trace circuits and test them with a meter.
• Bleed the diesel fuel system after filter changes or line work, following the proper order so you don’t fight trapped air all afternoon.
• Check cooling and lubrication issues methodically, so you can spot a weak pump or restricted passage before it cooks the engine.

FAQ

Q: Is this a scanned PDF I can search on my laptop or phone?

A: It’s typically a PDF, and you can usually search text, though some older pages may be image-only, so plan on a bit of scrolling in spots.

Q: Can I print pages to take out to the tractor?

A: Yes, most folks print the sections they’re working on, stick them in plastic sleeves, and don’t worry if they get greasy.

Safety Note

Always block the tractor securely and relieve any stored pressure before you crawl under it or crack open hydraulic or fuel lines.

Case B275 International Harvester Index:

BELT PULLEY
BRAKES
CARBURETOR (Gas)
CARBURETOR (LP-Gas)
CLUTCH, ENGINE

COOLING SYSTEM

Radiator

Water Pump

DIESEL FUEL SYSTEM

Injection Pump and Drive

Nozzles

System Checks

DIFFERENTIAL

DIRECTION REVERSER

ENGINE

Balancer

Cam Followers

Camshaft

Connecting Rod & Bearings

Crankshaft

Cylinder Head

Engine Removal

Flywheel

Ignition Timing

Main Bearings

Oil Pump

Oil Cooler

Piston & Rings

Piston Pins

Rear Oil Seal

Rocker Arms

Timing Gear Cover

Timing Gears

Valves and Seats

Valve Guides & Springs

Valve Timing

FINAL DRIVE

Bull Gears

FINAL DRIVE CONT.

Bull Pinions

Wheel Axle Shaft

FRONT SYSTEM

Axle Main Member

Steering Knuckles

Tie Rods and Drag Links

Tricycle Type

GOVERNOR (NON-DIESEL)

HYDRAULIC SYSTEM

Control Valves

Lubrication

Pump

Regulator & Safety Valve

System Adjustments

Testing

Trouble Shooting

POWER STEERING SYSTEM

Cylinder

Flow Control & Relief Valve

Lubrication and Bleeding

Power Unit

Pump

Rotary Valve

Steering Gear

Steering Valves

Testing

Trouble Shooting

Pilot Valve

Hand Pump

POWER TAKE-OFF

Adjustments (Clutch Type)

Adjustments (Planetary Type)

Overhaul (Clutch Type)

Overhaul (Planetary Type)

STEERING, MANUAL

TORQUE AMPLIFIER

Clutch Adjustment

Clutch Overhaul

Planetary Unit

TRANSMISSION OVERHAUL

Develon