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.
Refer to the maximum pressure suggested by the tire
manufacturer on the sidewall of the caster wheel tires.
Inflate the rear drive-wheel tires to 90 kPa (13 psi).
Figure 50
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.
Loosen the bottom 2 bolts holding the
mower-deck curtain to the mower deck. Refer to
Releasing the Mower-Deck Curtain (page
(Figure
50).
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.
Tighten the bottom 2 bolts for the mower-deck
curtain to the mower deck. Refer to
the Mower-Deck Curtain (page
g000554
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.
38
position or disconnect
OFF
Figure 51
You can only adjust the tracking for driving
29).
(Figure
51).
Releasing
29).
g294417
ARK