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10. Install the carrier frame cover onto the cutting unit,
then install and tighten the hand knobs.
11. Adjust deck belt guide an 1/8 in. from belt (Fig. 58).
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Figure 58
1. Deck belt
2. Idler arm spring
3. Outside 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. Stop the engine, remove the key and disconnect the
spark plug wire(s) from the spark plug(s).
2. Remove the knobs holding the carrier frame cover and
remove the carrier frame cover.
3. Remove the knobs holding the belt covers to the top of
the cutting unit and remove the belt covers.
4. Remove the heat shield from the the engine deck and
carrier frame.
5. Remove the idler spring from idler arm. Remove the
drive belt from the PTO engagement pulley and the
center spindle pulley (Fig. 59).
6. Remove the worn drive belt (Fig. 59).
7. Install the new drive belt onto the PTO engagement
pulley and the top groove of the center spindle pulley
(Fig. 59).
8. Install belt onto idler pulley and then install idler
spring (Fig. 59).
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4. PTO Drive belt
5. Center spindle pulley
6. Belt guide
9. Adjust PTO drive belt guides an 1/8 in. from belt
(Fig. 59).
10. install the heat shield to the the engine deck and
carrier frame.
11. Install the belt covers onto the cutting unit, then install
and tighten the knobs.
12. Install the carrier frame cover onto the cutting unit,
then install and tighten the hand knobs.
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4
Figure 59
1. PTO engagement pulley
2. Drive belt idler
3. PTO drive Belt
Replacing the Castor Wheel
Fork Bushings
The castor wheel forks are mounted in bushings
pressed into the top and bottom of the carrier frame
mounting tubes. To check the bushings, move the
castor forks back and forth and side-to-side. If a
castor fork is loose, the bushings are worn and must
be replaced.
1. Raise the cutting unit so the castor 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 castor wheel fork (Fig. 60).
3. Pull the castor 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.
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4. Center Spindle Pulley
5. PTO Drive belt guide
6. Idler Spring
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