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Using the
Drive-Wheel-Release
Valves
WARNING
Hands may become entangled in the rotating
drive components below the engine deck,
which could result in serious injury.
Shut off the engine, remove the key, and allow
all moving parts to stop before accessing the
drive-wheel-release valves.
WARNING
The engine and hydraulic-drive units can
become very hot. Touching a hot engine or
hydraulic-drive units can cause severe burns.
Allow the engine and hydraulic-drive units
to cool completely before accessing the
drive-wheel-release valves.
The drive-wheel-release valves are located in the
back of each hydraulic-drive unit, under the seat.
Note:
Make sure that the release valves are in the
fully horizontal position when operating the machine;
otherwise, severe damage to the hydraulic system
can occur.
1.
Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Rotate the release-valve levers vertically to push
the machine
(Figure
Note:
This allows hydraulic fluid to bypass the
pump, enabling the wheels to turn.
4.
Disengage the parking brake before pushing
the machine.
35).
1. Vertical to push the
machine
5.
Rotate the release valve levers horizontally to
run the machine
31
Figure 35
2. Horizontal to run the
machine
(Figure
35).
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