Drive System
Maintenance
Checking the T ire Pressure
Service Interval : Every 25 hours —Check tire
pressure.
Maintain the air pressure in the front and rear tires as
specied. Uneven tire pressure can cause an uneven
cut. Check the pressure at the valve stem ( Figure 52 ).
Check the tires when they are cold to get the most
accurate pressure reading.
Inate the front caster wheel tires to 206 kPa (30 psi)
or the pressure indicated on the sidewall, whichever
is lower .
Inate the rear drive-wheel tires to 90 kPa (13 psi).
g000554
Figure 52
1. V alve stem
Releasing the Electric
Brake
Y ou can manually release the electric brake by
rotating the link arms forward. Once the electric brake
is energized, the brake resets.
1. T urn the key to the OFF position and remove
the key .
2. Disconnect the battery .
3. Loosen the bottom 2 bolts holding the
mower-deck curtain to the mower deck. Refer to
Releasing the Mower-Deck Curtain ( page 32 ) .
4. Locate the shaft on the electric brake where the
brake link arms are connected ( Figure 53 ).
5. Rotate the shaft forward to release the brake
as shown in Figure 53 .
6. Rotate the shaft back and connect the battery
after moving the machine.
7. T ighten the bottom 2 bolts for the mower-deck
curtain to the mower deck. Refer to Releasing
the Mower-Deck Curtain ( page 32 ) .
g294417
Figure 53
1. Brake-link arm on the electric brake control module
2. Left, rear tire
Adjusting the T racking
When driving the machine forward full speed across
a at, 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: Y ou can adjust the tracking only for driving
forward.
1. Park the machine on a level surface, disengage
the blade-control switch, and move the
motion-control levers outward to the P ARK
position.
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