Belt Maintenance
Inspecting the Belts
Service Interval:
Every 40 hours
Replace the belt if it is worn. The signs of a worn belt
include squealing while the belt is rotating; the blades
slipping while cutting grass; and frayed edges, burn
marks, and cracks on the belt.
1.
Park the machine on a level surface, move the
speed-control lever to the N
EUTRAL
position,
disengage the PTO, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Tilt the hopper up and check the pump and PTO
drive belts for wear, cracking, or contamination.
Note:
The belts are spring tensioned and no
adjustment is necessary unless the belts are
replaced.
Replacing the PTO Belts
1.
Park the machine on a level surface, move the
speed-control lever to the N
EUTRAL
position,
disengage the PTO, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
With the engine off, engage the PTO lever, then
remove the hairpin cotter and clevis pin at the
bottom of the PTO-brake band.
4.
Rotate the brake band upward and out of the
way of the belts keeping clear of the belt drive.
5.
Disengage the PTO lever.
6.
Loosen belt guides
A
and
B
7.
Remove the belts.
8.
Route the new belts onto the pulleys as shown
in
g006836
Figure 60
1.
Idler
5.
Engine
2.
Belt guide
B
6.
Belt guide
A
3.
PTO belt
7.
Blower
4.
Jackshaft
9.
Engage the PTO lever.
10.
Rotate the brake band down into the original
position.
11.
Install the clevis pin and hairpin cotter to secure
the brake band.
12.
Loosen the jam nuts and adjust the linkage until
the top of the idler arm is aligned with the bottom
of the notch on the tension arm as shown in
g006837
Figure 61
1.
Tension arm
2.
Loosen the jam nuts.
3.
When PTO is engaged, align top of idler arm with bottom of
notch on tension arm, as shown.
4.
Idler arm
13.
Tighten the jam nuts and disengage the PTO
lever.
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