Belt Maintenance; Tensioning The Alternator Belt - Toro LT2240 Operator's Manual

Belt Maintenance

Tensioning the Alternator
Belt
Service Interval: After the first 50 hours
Every 100 hours
1. Prepare the machine for maintenance; refer to
Preparing the Machine for Maintenance (page
35).
2. Unlatch and open the hood.
Figure 82
3. Check the condition of the belt.
Note:
Replace the belt if it is worn or damaged.
4. Apply 10 kg (22 lb) of force against the alternator
belt (Figure 83), midway between the pulleys.
Note:
The belt should deflect 10 mm (3/8 inch).
1. Tension bracket bolt
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2. Alternator tension bolt
3. Belt
5. If the belt tension is incorrect, perform the
following:
•
If belt deflection is less than 10 mm (3/8
inch), loosen the alternator pivot bolt and
tension bolt
tension.
•
If belt deflection is greater than 10 mm (3/8
inch), loosen the alternator pivot bolt and
tension bolt
belt tension.
Note:
bolt (Figure
6. Tighten the bolts
7. Check the deflection of the belt again to ensure
correct belt tension.
8. Close and latch the hood.
51
Figure 83
4. Alternator pivot bolt
5. Alternator
(Figure 83), and reduce the belt
(Figure 83), and increase the
If needed, loosen the tension bracket
83).
(Figure 83).
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