Belt Maintenance; Replacing The Mower-Deck Belt - Toro GrandStand 74574 Operator's Manual

Belt Maintenance

Replacing the Mower-Deck
Belt
Service Interval: Every 100 hours—Check the mower-deck
belt.
Squeaking when the belt is rotating, the blade is 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. Unlatch and remove the belt covers.
4. Loosen the front idler pulley by loosening the nut
(Figure 68 and Figure
5. Remove the worn mower belt
69).
6. Install the new mower belt around the deck pulleys and
clutch pulley (Figure 68
7. Using a ratchet in the idler arm, tighten the idler pulley
until the spring is stretched 16.5 cm (6.5 inches) from
hook to hook (Figure 68
8. Tighten the front idler pulley by tightening the nut
(Figure 68 and Figure
9. Install the belt covers onto the cutting unit and secure
the latches.
69).
(Figure 68 and Figure
and Figure 69).
and Figure 69).
69).
G015595
48 and 52-inch mower decks
1. 16.5 cm (6.5 inches) from
hook to hook
2. Spring
3. Spring-loaded idler
47
Figure 68
4. Ratchet
5. Square hole for ratchet
6. Nut