Belt Maintenance; Checking The Belts; Replacing The Mower Deck Belt For 36In Mowers; Replacing The Mower Deck Belts For 40In Mowers - Toro GrandStand 74534 Operator's Manual

Belt Maintenance

Checking the Belts

Service Interval: Every 100 hours—Check the pump
drive belt.
Every 100 hours—Check the mower
deck belt(s).
Check belts for cracks, frayed edges, burn marks, wear,
signs of overheating or any other damage.
The signs of a worn mower belt are squealing while the
belt is rotating, blades slipping while you are cutting
grass, frayed belt edges, burn marks, and cracks. Replace
the mower belt if you detect any of these signs.
Replacing the Mower Deck
Belt for 36in Mowers
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. Remove the spring from the anchor post on the idler
pulley arm (Figure 64).
5. Remove the worn mower belt (Figure 64).
6. Install the new mower belt around the clutch pulley,
deck pulleys and idler pulley (Figure 64 ).
7. Install the spring onto the anchor post on the idler
pulley arm (Figure 64 ).
8. Install the belt covers onto the cutting unit and
secure the latches.
Figure 64
1. Belt
2. Spring loaded idler pulley
3. Spring
Replacing the Mower Deck
Belts for 40in Mowers
Replacing the Right Mower
Deck Belt
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 right belt cover.
4. Remove the spring from the anchor post on the idler
pulley arm (Figure 64).
5. Remove the worn mower belt (Figure 64).
6. Install the new mower belt around the deck pulleys
and idler pulley (Figure 64 ).
7. Install the spring onto the anchor post on the idler
pulley arm (Figure 64 ).
8. Install the belt cover onto the cutting unit and secure
the latch.
1. Belt
2. Spring
Replacing the Left Mower Deck
Belt
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. To remove the left mower belt, the right mower belt
needs to be removed first. Refer to Replacing the
Right Mower Belt.
45
Figure 65
3. Spring loaded idler pulley