Clark OH-339, D155G, C500, 02M200A-025553A, 11M602A-11M602D Models Forklift Service & Repair Manual

• Complete 640-page technical reference spanning the 1980–1983 production series of Clark OH-339 and C500 forklifts
• Built for professional shops servicing the D155G, D155GA, D176G gas engines and D155D diesel variants
• Official Clark Equipment publication, Code OH-339 (May 1983 Edition)
• Features 87 high-fidelity schematics, mapping out exploded valvetrain views, gear timing diagrams, and piston assembly sequences
• Represents the definitive historical repair reference for early 1980s Waukesha engine families utilized in Clark machinery

Engine Overhaul and Assembly Coverage

This professional-grade text details the internal mechanics of the Clark (Waukesha) engine families. It indexes the structural breakdown layouts for cylinder heads, crankshafts, camshafts, and internal fuel delivery systems. For mechanics managing a busy shop floor, having access to clear factory specifications helps isolate wear patterns on main bearings, valve seats, and piston skirts before any machining begins. The documentation highlights critical industrial parameters. It catalogs timing gear alignment protocols, valve guide installations, and water pump reconditioning processes using original factory benchmarks. Heavy machinery components require strict adherence to these factory clearances to prevent premature failure under loaded warehouse operations.

Technical Data and Clearance Specifications

To eliminate guesswork during teardowns, this reference provides deep-dive verification tables for component identification and clearance metrics. It catalogs exact compression ratios, valve timing parameters, and torque specifications for high-stress fasteners, including cylinder head bolts and main bearing caps. Technicians can cross-reference field measurements against factory-fresh manifold vacuum metrics and cylinder compression tolerances to efficiently diagnose power loss in D155G, D155GA, and D176G units. The data tables outline mandatory tolerances for piston ring end gaps, camshaft end play, and timing gear backlash measurements.

Because high-pressure hydraulic and combustion systems pose severe operational risks, all technical data, torque patterns, and clearance values provided here are compiled exclusively for qualified industrial technicians. Executing heavy machinery repair or component overhauls demands verified professional training, and the original manufacturer documentation remains the ultimate authority for live shop environments. No instructional step-by-step guides are provided in this descriptive index.