Clark C40D, C45D, C50SD, C55SD, C40L, C45L, C50SL, C55SL Forklift Service Manual (PN 8066401 SM 810)

This Clark forklift service manual provides a complete guide for maintenance, troubleshooting, and repair of the C40D, C45D, C50SD, C55SD, C40L, C45L, C50SL, and C55SL models. Covering both diesel and LPG engine variants, this manual includes detailed information on the powertrain, hydraulics, electrical system, steering, brakes, and transmission.

File Format: PDF

Size: 96.84 MB

No. of Pages: 1065

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Key Features & Contents:

Safety & Maintenance

• Safe maintenance procedures and handling of forklift components.
• Guidelines for lifting, jacking, and towing the truck.
• Maintenance schedules and planned maintenance programs.

Engine Systems

• Diesel Engines: IVECO & Kubota – servicing, overhaul, and specifications.
• LPG Engine (GM V6 4.3L): Removal, replacement, and repair procedures.
• Cooling system diagnostics, troubleshooting, and radiator maintenance.

Fuel & Induction Systems

• LPG and gasoline fuel system diagnosis and troubleshooting.
• Regulatory compliance, system specifications, installation, and adjustments.
• Air induction and exhaust system service.

Transmission & Drive Systems

• Torque converter specifications, testing, and adjustments.
• Transmission disassembly, control valve servicing, and troubleshooting.
• Differential carrier assembly, axle maintenance, and wheel specifications.

Electrical System & Wiring

• Electrical circuit diagrams and component arrangements.
• Battery maintenance, alternator troubleshooting, and ignition system repairs.
• System specifications, fuses, relays, and sensor diagnostics.

Braking & Steering

• Brake system troubleshooting, fluid bleeding, and master cylinder servicing.
• Parking brake adjustments and hydraulic brake function.
• Steering column removal, gear overhaul, and relief pressure checks.

Hydraulic System

• Main hydraulic pump troubleshooting and filter maintenance.
• Hydraulic valve operation, circuit diagrams, and component adjustments.
• Tilt cylinder adjustments, repairs, and overhauls.

Frame, Uprights & Counterweight

• Upright troubleshooting, roller clearance checks, and fork carriage adjustments.
• Counterweight removal and replacement.
• Operator’s cell removal and chassis inspections.

Specifications & General Information

• Hydraulic fitting tightening procedures and torque specifications.
• General forklift specifications, nameplates, and decals.

This Clark Forklift Service Manual is an essential guide for technicians and mechanics, providing detailed instructions for troubleshooting, servicing, and repairing forklifts efficiently.