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11. Install the carrier frame cover onto the cutting unit,
then install and tighten the screws.
1
4
3
2
Figure 61
1. Mower belt
2. Idler arm spring
3. Outward pulley
Replacing the PTO Drive Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn drive belt. Replace the drive belt if any of
these conditions are evident.
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the screws holding the carrier frame cover
and remove the carrier frame cover.
4. Remove the screws holding the belt covers to the top
of the cutting unit and remove the belt covers.
5. Remove the heat shield from the the engine deck and
carrier frame.
6. Remove the idler spring from idler arm. Remove the
drive belt from the PTO engagement pulley and the
center spindle pulley (Fig. 62).
7. Remove the worn drive belt (Fig. 62).
8. Install the new drive belt onto the PTO engagement
pulley and the top groove of the center spindle pulley
(Fig. 62).
5
m–7905
4. PTO Drive Belt
5. Double Spindle Pulley
41
9. Install belt onto idler pulley and then install idler
spring (Fig. 62).
10. Install the heat shield to the engine deck and carrier
frame.
11. Reinstall the belt covers onto the cutting unit, then
reinstall and tighten the screws.
12. Reinstall the carrier frame cover onto the cutting unit,
then reinstall and tighten the hand screws.
3
m–7905
Figure 62
1. PTO engagement pulley
2. Drive belt idler
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 (Fig. 63).
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.
1
2
4
3. Drive Belt
4. Double Spindle Pulley
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