Adjusting The Drive Belt Tension - Toro Wheel Horse 79263 Operator's Manual

Oiling the Drive Chain
1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Coat the entire chain with oil and allow it to penetrate
each roller (Fig. 31).
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Figure 31
1. Drive chain
2. Rotator assembly
3. Place a few drops of oil on the discharge chute rotator
shaft and discharge chute mounting (Fig. 31).
4. Wipe off excess oil.
Adjusting the Drive Belt
Tension
The drive belt is spring loaded and needs only periodic
adjustment, to maintain proper spring tension.
Checking the Drive Belt Tension
1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Raise and lower the snowthrower and ensure that the
spring loaded idler is not hitting either end of the slot
(Fig. 32). If it contacts either end of the slot, adjust the
drive belt tension.
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3. Discharge chute mounting
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1
Figure 32
1. Spring loaded idler pulley

Adjusting the Drive Belt Tension

1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Pull on the spring loaded idler pulley and remove the
belt from the snowthrower pulley to release tension on
the belt (Fig. 32).
3. Remove the nut, washer, and fixed idler from the idler
assembly and relocate them in the next hole position to
change the belt tension as required. (Fig. 33).
1
2
Figure 33
1. Fixed idler
4. Tighten the nut securely and install the belt onto the
snowthrower pulley.
5. Raise and lower the snowthrower and ensure that the
spring loaded idler is within the slot.
2
2. Slot
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2. Adjustment hole