PTO Drive Belt Removal
1.Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key.
2.Release the hood cam latches and raise the hood until it locks in place.
3.Release the rear guard cam latches and lower or remove the rear guard.
4.Using a 3/4” box end wrench on the nut of the
WARNING
Use extreme caution when rotating the idler pulley with the wrench, due to the increased tension in the spring as the idler pulley is being rotated. Injury may result if the wrench is prematurely released while the spring is under tension.
5.Remove the belt from the stationary idler pulley (B, Figure 50).
6.Carefully release the tension on the wrench.
7.Remove the belt from the PTO clutch pulley,
8.Pull the belt towards the rear of the machine until free of the guide pulleys and belt keeps on the rear of the mower deck.
PTO Drive Belt Replacement
1.From the rear of the mower deck, route the new belt through the guide pulleys and belt keeps.
2.Install the belt on the center spindle pulley. Follow the illustration in Figure 51 carefully. Make sure the belt twists in the correct direction.
3.Install the belt over the PTO clutch pulley and the spring loaded idler pulley. Again, follow the illustration in Figure 51 carefully and make sure the belt twists in the correct direction.
4.Using a 3/4” box end wrench on the nut of the idler pulley (A, Figure 50), rotate the wrench CLOCKWISE and install the belt on the stationary idler pulley.
5.Carefully release the tension on the wrench.
Troubleshooting, Adjustment & Service
A |
B |
Figure 50. PTO Drive Belt Removal
A.Spring Loaded Idler Pulley
B.Stationary Idler Pulley
Spindle Drive Belt Removal &
Replacement
1.Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key.
2.Remove the PTO drive belt from the center spindle pulley (see PTO DRIVE BELT REMOVAL for instructions).
3.Using a 1/2” breaker bar, place the square end in the square hole located near the end of the idler arm
(A, Figures 52). Carefully rotate the breaker bar CLOCKWISE, which will relieve the tension on the belts exerted from the idler arm.
WARNING
Use extreme caution when rotating the idler arm with the breaker bar, due to the increased tension in the spring as the idler arm is being rotated. Injury may result if the breaker bar is prematurely released while the spring is under tension.
4.Remove the belt from the trim side spindle pulley (B, Figure 52).
5.Carefully release the tension on the breaker bar.
6.Remove the old belt and replace with a new one. Make sure the
7.Install the belt on all of the pulleys, except for the trim side spindle pulley. Carefully rotate the breaker bar CLOCKWISE and install the belt on the trim side spindle pulley. Carefully release the tension on the breaker bar.
8.Reinstall the PTO drive belt.
Troubleshooting
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