Maintenance Instructions

CLEANING/

CHECKING/SERVICING

IMPORTANT: In case an oil leak develops on the input shaft, the cooling fan blowing dusty air and oil on the transmission will quickly pack the cooling fins with oily dirt. If this condition occurs, replace the seal immediately to avoid overheating and damaging the transmission. The input shaft assembly and seal are easily replaced without removing the transmission from the machine.

An additional procedure in maintaining transmission cooling is to inspect the cooling fans. Replace the fan(s) if blades are missing or damaged.

Cooling Fan

Cooling Fins

Hydrostatic Transmission Cooling Fins

CHECKING/SERVICING

DANGER

To prevent accidental starting of the engine when servicing or adjusting the ma- chine, remove the key from the ignition switch and disconnect the electric plug on the fuel shut-off solenoid.

Engine Cooling System

Coolant Level

WARNING

NEVER remove the radiator pressure cap when the engine is hot — hot water could spray and cause a burn if the cap is taken off too soon.

Check the coolant level in the coolant recovery tank and maintain the coolant level between the FULL and LOW marks on the recovery tank. When the engine is cold, the coolant level should be at or slightly above the LOW mark on the recovery tank.

If the coolant level is low, remove the radiator cap and fill to the overflow port level and then fill the recovery tank above the LOW mark. Use a pre-mixed 50/50 solution of antifreeze (ethylene glycol) and distilled water to fill the cooling system.

IMPORTANT: The coolant solution of antifreeze and distilled water must be thoroughly pre-mixed before putting it in the engine (adding pure antifreeze into the radiator may cause damage to the engine by causing overheating).

Fan Belt Tension

Check and adjust the fan belt tension to avoid engine overheating and insufficient battery charg- ing. Push on the belt in the middle of the span between the alternator and crankshaft. If properly tensioned, it should deflect about 0.4 in. (10 mm). Also check the belt for cracks or deterioration.

Fan Belt

0.4 in. (10 mm)

Deflection

Fan Belt Tension

60