Clark C(F)30, 40, 50C,Y (F) 40, 50 Forklift Overhaul Manual (OH442)

These Clark C(F)30/40/50 and Y(F)40/50 trucks spend their lives loading trailers, feeding production lines, and working tight warehouse aisles, so when you tear one down you need to put it back together right the first time. This overhaul manual is what I’d keep open on the bench during a full rebuild—engine, axle ends, brakes, fuel system—so I can trace faults, verify fits, and make sure everything is aligned and sealed correctly. If, for example, a truck comes in with dragging brakes and a soft pedal, this is the book I’d use while stripping the axle ends and master cylinder, checking wear surfaces, and rebuilding the system so it stops straight and consistently.

Applications & Use Cases

• Plan a full overhaul on a tired truck, from teardown order to reassembly checks.
• Inspect axle-end brakes and related hardware, and verify proper reinstallation after replacing worn parts.
• Rebuild the master cylinder, then bleed and test the hydraulic system so the pedal feels solid.
• Service gasoline and LPG fuel systems, tracing hard-start or rich-running issues back through carburetors and converters.
• Confirm distributor and ignition setup after major engine work so timing and starting are reliable.

FAQ

Q: Can I use this manual on a tablet at the truck?

A: Yes, it works well on a tablet; you can zoom diagrams and keep it nearby while your hands stay on the job.

Q: Is it worth printing sections of this manual?

A: Many techs print the pages they need for a specific job, mark notes or measurements, and keep them with the work order.

Safety Note

Always support the truck and components securely before disassembly and follow all lockout and pressure-relief procedures.

Clark C(F)30, 40, 50C,Y (F) 40, 50 Forklift Index:

AXLE END
BRAKE, MASTER CYLINDER
CARBURETOR, GASOLINE
CARBURETOR, LPG
CONVERTOR PUPIP
DISTRIBUTOR
ELECTRICAL CHECKS
ENGINE
FUEL PUMP
GENERATOR
HYDRAULIC PUMP
IdAIN VALVE
REGULATOR, LPG
STARTER
STEERING AXLE
STEERING GEAR
STEERING PUMP
TILT CYLINDER
TILT VALVE
TRANSMISSION
UPRIGHT
VAPORIZER
VOLTAGE REGULATOR
WIRING DIAGRAM

Clark