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Drive System
Maintenance
Checking the Tire Pressure
Service Interval: Every 25 hours—Check tire
pressure.
Maintain the air pressure in the front and rear tires as
specified. Uneven tire pressure can cause uneven
cut. Check the pressure at the valve stem
Check the tires when they are cold to get the most
accurate pressure reading.
Inflate the front casters and rear drive wheel tires to
103 kPa (15 psi).
Figure 43
1. Valve stem
Releasing the Electric
Brake
You can manually release the electric brake by
rotating the link arms forward. Once the electric brake
is energized, the brake resets.
1.
Turn the key to the
the battery.
2.
Locate the shaft on the electric brake where the
brake link arms are connected
(Figure
43).
3.
Rotate the shaft forward to release the brake.
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1. Brake-link arm on the electric brake control module
2. Left, rear tire
Adjusting the Tracking
When driving the machine forward full speed across
a flat, level surface, if the machine pulls to 1 side,
adjust the tracking.
If the machine pulls to the left, adjust the right
motion-control lever; if the machine pulls to the right,
adjust the left motion-control lever.
Note:
forward.
1.
Park the machine on a level surface, disengage
the blade-control switch, and move the
motion-control levers outward to the P
position.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
34
position or disconnect
OFF
Figure 44
You can only adjust the tracking for driving
(Figure
44).
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ARK
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