Case Models W400 Harvester Service Manual

Case Models W400 Harvester Service Manual (IH-10)

These W400 harvesters usually live in dusty fields, long days, short windows to get the crop in. This Case W400 Harvester Service Manual walks you through how to trace a problem from symptom to root cause before you start throwing parts at it. Say the machine starts losing power under load: instead of guessing at fuel, governor, or clutch, you’d follow the manual’s sequence, check each system in order, verify pressures or linkages where it tells you, and isolate the fault without tearing half the machine apart.

Applications & Use Cases

• Track down a no-start or hard-start by following the fuel and ignition checks in order, so you test and rule out each section instead of replacing everything.
• Chase overheating issues by inspecting airflow, radiator, and pump step by step, then bleed and refill correctly so it doesn’t come right back.
• Sort out brake pull or weak braking by checking linkages, shoes, and hydraulic parts in sequence, then adjust and align to spec instead of guessing.
• Diagnose belt and pulley problems by tracing noise or slippage, checking alignment and tension, and routing belts the way the manual shows so they actually stay put.
• Verify clutch or driveline faults by isolating each component, testing engagement, and adjusting travel before you decide it really needs a teardown.

FAQ

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

A: Yes, it’s typically a PDF, so you can search terms like “brakes” or “carburetor” and jump straight to the section you need.

Q: Can I print just a few pages to take out to the field?

A: You usually can; most folks print the pages for the job they’re doing, stick them in a plastic sleeve, and don’t worry about getting them greasy.

Safety Note

Always block and secure the harvester before you crawl under it or crack any lines, because these machines can settle or roll when you least expect it.

Case Models W400 Harvester Index:

BELT PULLEY

BRAKES

CARBURETOR (Not LP-Gas)

CARBURETOR (LP-Gas)

CLUTCH, ENGINE

COOLING SYSTEM
Fan
Radiator
Water Pump

DIESEL FUEL SYSTEM
Air Restriction Valve
Energy Cells
Filters and Bleeding
Injection Pump
Nozzles
Precombustion Chambers
Quick Checks
Trouble Shooting

DIFFERENTIAL

ENGINE
Cam Followers
Camshaft
Connecting Rods and Bearings
Crankshaft
Cylinder Head
Engine Removal
Flywheel
Ignition Timing
Injection Timing
Main Bearings
Oil Pump
Pistons and Rings
Piston Pins
Piston Removal
Rear Oil Seal
Rocker Arms
Timing Gear Cover
Timing Gears
Valves and Seats
Valve Guides and Springs
Valve Timing

FINAL DRIVE
Axle Shafts
Bull Gears
Bull Pinions

FRONT SYSTEM
Axle Main Member
Steering Knuckles
Tie Rods and Drag Link
Tricycle Type

GOVERNOR

HYDRAULIC SYSTEM
Control Valves
Lubrication
Pump
Regulator and Safety Valve
Testing
Trouble Shooting

POWER STEERING SYSTEM
Cylinder
Flow Control and Relief Valve
Lubrication and Bleeding
Motor
Pump
Steering Gear
Steering Valves

PTO (Non-Continuous)

PTO (Independent Type)
Drive Shaft
Driven Shaft
Extension Shaft
Overhaul Rear Unit
Reactor Bands

REAR AXLE

STEERING GEAR (Manual)

TORQUE AMPLIFIER
Clutch Adjustment
Clutch Overhaul
Planetary Unit

TRANSMISSION OVERHAUL

Develon