O&K RH3 - RH9 Hydraulic Crawler Excavator Technical Manual

The O&K RH3 - RH9 Hydraulic Crawler Excavator Technical Manual — a factory-style reference for maintenance, diagnostics and full repair procedures on your Orenstein & Koppel excavator. Covers engine, hydraulics, electrical and wiring, drivetrain and undercarriage with the specifications, torque values and step-by-step instructions the job requires.