Toro 30632 Operator's Manual page 38

32-inch and 36-inch mower deck shown
1. Mower belt with 13 mm
(1/2 inch) deflection
6. Tighten the locknut on the turnbuckle.
7. Check the adjustment of the blade brake; refer
to Adjusting the Blade Brake (page
Adjusting the Tension for 48-inch
Mower Decks
Important:
Adjust the brake whenever you adjust
the belt tension or brake linkage.
Important:
The belt must be tight enough to
not slip during heavy loads, while cutting grass.
Over-tensioning the belt reduces the life of the
spindle bearing, belt, and idler pulley.
1. Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Loosen the locknut on the turnbuckle
44).
4. Adjust the tension of the belt.
•
Rotate the turnbuckle toward the rear of the
machine to increase the tension on the belt.
•
Rotate the turnbuckle toward the front of the
machine to decrease the tension on the belt
(Figure 43).
Note:
The eyebolt threads on both ends of the
turnbuckle should be engaged a minimum of 8
mm (5/16 inch).
Figure 42
2. Idler pulley
44).
(Figure
g001476
1. Idler pulley
1. 13 mm (1/2 inch) deflection
here
2. Assist arm
3. Front stop
5. Engage the PTO and check the belt tension.
Adjust the tension until it is correct.
Note:
The proper mower belt tension is 44 to
67 N∙m (10 to 15 ft-lb) with the belt deflected
13 mm (1/2 inch) halfway between the pulleys
(Figure 43).
38
Figure 43
48-inch mower deck shown
2. Mower belt with 13 mm
(1/2 inch) deflection
Figure 44
4. Locknut
5. Turnbuckle
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