Case 2504 International Harvester Service Manual (IH-201)

Case 504 International Harvester Service Manual (IH-201)

These old Case/International machines usually live a hard life—field work, loader duty around the yard, pushing snow, maybe running an auger or mower. This service manual’s there to walk you through how to trace a problem, check it properly, and verify the fault before you start throwing parts at it. Say the tractor’s losing power under load: instead of guessing at fuel, ignition, or clutch, you’ll follow a laid‑out sequence to isolate whether it’s fuel delivery, timing, or a dragging brake, and then test each piece in order.

Applications & Use Cases

• Track down a no‑start by checking ignition, fuel, and compression in the right order so you don’t shotgun parts.
• Diagnose overheating by inspecting the cooling system, then testing flow, thermostat operation, and fan drive step by step.
• Verify brake issues by tracing linkage, checking adjustment, and inspecting for contamination before you split anything.
• Sort clutch or driveline problems by isolating engine, clutch, and transmission, then aligning and checking each stage.
• Service fuel and carb systems correctly, from routing lines to bleeding air, so it’ll restart without a fight.

FAQ

Q: Is this a downloadable manual I can search on my computer?

A: Yes, it’s typically a PDF, so you can search terms, zoom diagrams, and keep it on a laptop in the shop.

Q: Can I print just the sections I need to take out to the machine?

A: You usually can; most folks print the pages for the job, stick them in plastic sleeves, and don’t worry about grease.

Safety Note

Always support the tractor securely and bleed off any stored pressure before you crawl under or crack a line.

Case 504 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