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MEASURE FROM
CUTTING EDGE TO
A LEVEL SURFACE
Figure 76
5. If it does not measure correctly, add air pressure in rear
tires to raise height–of–cut
6. If it does not measure correctly, decrease air pressure
in rear tires to lower height–of–cut.
7. Check carrier frame front–to–rear pitch.
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn deck belt. Replace the deck 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
cutting unit and remove the belt covers.
4. Remove the PTO drive belt. Refer to Replacing the
PTO Drive Belt on page 48.
5. Disconnect the idler arm spring to relieve tension on
the idler arm and idler pulley, then remove the worn
deck belt (Fig. 77).
6. Install the new deck belt around the two outside
spindle pulleys, the idler pulley, and in the lower
groove of the center spindle pulley (Fig. 77).
7. Connect the idler arm spring (Fig. 77).
8. Reinstall the PTO drive belt. Refer to Replacing the
PTO Drive Belt page 48.
9. Adjust deck belt guide an 1/8 inch (3 mm) from belt
(Fig. 77).
10. Reinstall the deck covers onto the cutting unit, then
reinstall and tighten the knobs.
11. Install the carrier frame cover onto the cutting unit,
then install and tighten the hand knobs.
m–2550
5
6
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 idler spring from idler arm. Remove the
drive belt from the PTO engagement pulley and the
center spindle pulley (Fig. 78).
5. Remove the worn drive belt (Fig. 78).
6. Install the new drive belt onto the PTO engagement
pulley and the top groove of the center spindle pulley
(Fig. 78).
7. Install belt onto idler pulley and then install idler
spring (Fig. 78).
8. Adjust PTO drive belt guides an 1/8 inch (3 mm) from
belt (Fig. 78).
9. Install the belt covers onto the cutting unit, then install
and tighten the knobs.
10. Install the carrier frame cover onto the cutting unit,
then install and tighten the hand knobs.
48
3
4
1
2
Figure 77
4. PTO drive Belt
5. Center Spindle Pulley
6. Deck belt guide
3
m–6529
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