Toro Groundsmaster 62, 220, 217-D Mower 1983 Service & Overhaul Manual (P/N 87-705-ST)

• Covers 1983–1987 Toro Groundsmaster 62, 220, and 217-D commercial riding mowers
• Documents both Onan gasoline and Mitsubishi diesel power configurations
• Official 338-page Toro Company publication (P/N 87-705-ST, dated 1987)
• Contains 47 detailed exploded-view mechanical diagrams and 18 comprehensive torque-specification tables
• Serves as the master service reference for 30790 and 30793 model units and engine-specific overhauls
• Includes original service history record-keeping templates

Mower Systems and Operational Guidance

This service publication breaks down the mechanical and electrical systems across three commercial mower variants. It delivers the raw technical data required for daily workshop maintenance. You will find dedicated chapters covering the hydraulic system, steering, differential, brakes, and cutting units. Whether you are dealing with Onan gasoline engine maintenance, a Mitsubishi diesel tear-down, or just mapping out chassis-wide lubrication schedules, this reference provides the necessary driveline and attachment depth to keep these machines cutting.

Torque, Fluid, and Mechanical Specifications

Getting the adjustments right is critical on these older units. The reference lists precise fastener torque values, fluid capacities, and adjustment ranges for governors, valves, and electrical components. For routine service, transmission filter schedules are clearly outlined alongside combustion chamber cleaning intervals, which are documented at 250–500 hours. Engine tuning data is right at your fingertips. Intake valve clearance is set at 0.005 inches, with exhaust valves specified at 0.013 inches. Spark plug gaps are defined at 0.025 inches to ensure consistent ignition performance under heavy loads. Always observe standard shop safety protocols and rely on the complete OEM literature before attempting any heavy diagnostics or mechanical work.