Service Manual

Mid-Size Walk Behind Service Manual 7 - 5
MOWER DECKS
Replacing the Mower Belt (Floating
Deck) 36 in. (91cm)
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. 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 knobs/rubber washers holding the
carrier frame cover and remove the carrier frame
cover.
4. Remove the knobs/rubber washers holding the
belt cover to the cutting unit and remove the belt
cover.
5. Remove the PTO drive belt. Refer to "Replacing
the PTO Drive Belt (Floating Deck) 36 in. (91cm)"
on page 7 - 5.
6. Disconnect the idler arm spring to relieve tension
on the idler arm and idler pulley, then remove the
worn mower belt (Figure 157).
7. Install the new mower belt around the outward
spindle pulley, the idler pulley, and in the lower
groove of the double spindle pulley (Figure 157).
8. Reconnect the idler arm spring (Figure 157).
9. Install the PTO drive belt. Refer to "Replacing the
PTO Drive Belt (Floating Deck) 36 in. (91cm)" on
page 7 - 5.
10. Reinstall the belt cover onto the cutting unit, then
reinstall and tighten the knobs/rubber washers.
11. Install the carrier frame cover onto the cutting unit,
then install and tighten the knobs/rubber washers.
Figure 157
m-5247
Replacing the PTO Drive Belt
(Floating Deck) 36 in. (91cm)
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 knobs/rubber washers holding the
carrier frame cover and remove the carrier frame
cover.
4. Remove the knobs/rubber washers holding the
belt covers to the top of the cutting unit and
remove the belt covers.
5. Remove the heat shield from the engine deck and
carrier frame.
6. Remove the idler spring from idler arm. Remove
the drive belt from the PTO clutch pulley, idler
pulleys and the left spindle pulley (Figure 158).
(1) Mower belt
(2) Idler arm spring
(3) Outward pulley
(4) PTO drive belt
(5) Double spindle pulley