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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 an 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 caster wheel tires to 206 kPa (30 psi)
or the pressure indicated on the sidewall, whichever
is lower.
Inflate the rear drive-wheel tires to 90 kPa (13 psi).
Figure 45
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 key.
2.
Disconnect the battery.
3.
Locate the shaft on the electric brake where the
brake link arms are connected
4.
Rotate the shaft forward to release the brake.
5.
Connect the battery after moving the machine.
(Figure
position and remove
OFF
(Figure
46).
45).
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:
You can adjust the tracking only for driving
forward.
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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.
3.
Locate the tracking-adjustment bolt near the
motion-control lever on the particular side that
needs adjusting
Note:
Raise the seat for easier access to the
adjustment bolt.
4.
Rotate the bolt to decrease the speed for that
particular wheel.
Note:
Rotate the bolt a small amount to make
minor adjustments.
38
Figure 46
ARK
(Figure
47).
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