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Figure 40
1. Fuse, 7.5 amp, blade type
Drive System
Maintenance
Checking the Tire Pressure
Maintain the air pressure in the front and rear
tires as specified. Check the pressure at the valve
stem after every 50 operating hours or monthly,
whichever occurs first (Figure 41). Check the
tires when they are cold to get the most accurate
pressure reading.
Rear Tire Pressure: 12-14 psi (83-97 kPa)
Caster Tire Pressure: 25-30 psi (172-207 kPa)
Figure 41
1. Rear Tire
2. Caster tire
Replacing the Caster Wheel
Fork Bushings
The caster wheel forks are mounted in bushings
pressed into the top and bottom of the carrier
frame mounting tubes. To check the bushings,
move the caster forks back and forth and
side-to-side. If a caster fork is loose, the bushings
are worn and must be replaced.
1. Raise the cutting unit so the caster wheels are
off the floor, then block up the front of the
mower with jack stands.
2. Remove the locking pin and spacer(s) from the
top of the caster wheel fork (Figure 42).
Figure 42
1. Locking Pin
2. Spacers (locate as required) 4. Caster wheel fork
3. Pull the caster wheel fork out of the mounting
tube, leaving the spacer(s) on the bottom of
the fork. Remember the location of the spacers
on each fork to ensure correct installation, and
to maintain a level deck.
4. Insert a pin punch into the mounting tube and
carefully drive out the bushings (Figure 43).
Clean the inside of the mounting tube.
34
3. Carrier frame mounting
tube
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