Case 330 International Harvester Service Manual (IH-201)

These old Case / International Harvester machines usually live hard lives—field work, loader duty around the farm, maybe some snow pushing or yard work. This service manual’s about walking you through how to trace a problem on a 404-style tractor, step by step, so you don’t just start throwing parts at it. Say it won’t pull right under load: instead of guessing clutch, you’d follow the book’s sequence—inspect linkage, verify free play, test engagement, then decide what actually needs to come apart.

Applications & Use Cases

• Track down a no-start by checking fuel, spark, and compression in order, so you isolate the fault before buying a starter or pump you don’t need.
• Chase overheating by inspecting the cooling system, routing your checks from cap to radiator to pump, instead of randomly swapping pieces.
• Sort out weak hydraulics by testing pressures, checking for internal leaks, and verifying valve function before you tear into the pump.
• Diagnose brake issues by inspecting linkage, drums, and adjustment points so you can align and set them correctly the first time.
• Use the step-by-step procedures to bleed fuel or brakes properly, so you don’t trap air and have to redo the job.

FAQ

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

A: Yes, it’s typically a searchable PDF, so you can jump to sections by keyword while you’re at the bench or in the cab.

Q: Can I print just the pages I need for a job?

A: Usually yes; most folks print the relevant procedures, get them greasy in the shop, then re-print if they wreck a page.

Safety Note

Always block and support the tractor solidly before you crawl under it or start loosening anything that carries weight or hydraulic pressure.

Case 330 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