Replacing The Pto Drive Belt - Toro 30094 Operator's Manual

5. Remove the PTO drive belt. Refer to Replacing the
PTO Drive Belt.
6. Disconnect the idler arm spring to relieve tension on
the idler arm and idler pulley, then remove the worn
mower belt (Figure 48 or Figure 49).
7. Install the new mower belt around the two outside
spindle pulleys, the idler pulley, and in the lower
groove of the double spindle pulley (Figure 48 or
Figure 49).
8. Connect the idler arm spring (Figure 48 or Figure 49).
9. Install the PTO drive belt. Refer to Replacing the
PTO Drive Belt.
10. Adjust the belt guide an 1/8 inch (3 mm) from the
belt (Figure 48 or Figure 49).
11. Install the belt covers onto the cutting unit and
secure the latches.
12. Install the carrier frame cover onto the cutting unit
and secure the latches.
40 inch, 48 inch, and 52 inch Mower Deck shown
1. Outside pulley
2. PTO drive belt
3. Idler arm spring
Figure 48
4. Mower deck belt
5. Belt guide
6. Center spindle pulley
36 inch Mower Deck shown
1. Mower deck belt
2. PTO drive belt
3. Drive belt pulley

Replacing the PTO Drive Belt

Service Interval: Every 50 hours
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. Unlatch and remove the carrier frame cover.
4. Unlatch and remove the belt covers.
5. Remove the heat shield from the engine deck and
carrier frame.
6. Roll the belt off of the center pulley on the mower
deck (Figure 50). Refer to Figure 51 to roll the belt
off left pulley for a 36 inch mower deck. Use caution
when removing the belt as tension will increase
because of the spring loaded idler pulley.
7. Remove the belt from the engine pulley and the
spring loaded idler pulley (Figure 50). Refer to
Figure 51 to remove the belt from the 36 inch mower
deck pulleys.
8. Install the new belt onto the engine pulley and spring
loaded idler pulley (Figure 50).
36
Figure 49
4. Idler arm spring
5. Drive belt pulley