John Deere pd54 Lawn Mower User Manual


 
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3. OPERATION
purpose. Fully install the nut and washer on the bolt.
Insert this assembly through the hole in the frame such
that the washer is over the hole with the nut against the
outside of this washer. Thread the bolt, finger tight
into the wheel motor to the bottom of the hole. Now
tighten the nut against the washer until the brake is
compressed and released. This should require about 44
ft. lbs. torque. Do not torque the bolt. Be careful not
to over-torque beyond releasing the brake.
The bypass valve is located on the transmission pump.
The seat and battery plate should be removed for
access to the transmission pump. The bypass valve is
controlled by a shaft with cross-drilled holes and
maybe a slot in the end. This shaft may be turned
manually to open the valve and allow the motor to turn.
The valve is fully open with two revolutions of the
shaft. DO NOT OPEN VALVE PAST TWO TURNS.
The valve must be fully closed for normal operation.
The torque required to close the valve is only 7 to 10 ft.
lbs.
DAMAGE MAY RESULT FROM OVER-
TORQUING.
3.33 STORAGE
IMPORTANT: The front wheel motor has a rubber
plug in the M12 hole to prevent contamination.
Reinstall the rubber plug after towing
1. Store the roller on level ground with drums
blocked and parking brake on.
2. Remove the key. Operations of roller by
untrained persons could result in personal injury.
3. During extended storage, drums can be coated with
any type of oil or grease to prevent rusting.
4. Storage instructions for the engine are stated in the
Engine Manual and should be carried out.