Toro 74266 Operator's Manual page 45

3. Remove the 4 bolts holding the oil cooler shield to
the rear frame (Figure 59).
4. Remove the 3 bolts holding the engine straps to the
side of the machine (Figure 59).
1. Oil cooler shield
2. Bolts
5. Remove the 4 bolts holding the oil cooler and
position the oil cooler to the side (Figure 60).
6. Remove the 2 bolts holding the fan and fan plate to
the machine (Figure 60).
1. Oil cooler
2. Fan
7. Loosen the bottom bolt and remove the upper bolt
holding the alternator and cover (Figure 61).
8. Rotate the alternator cover to the side and remove
the belt from the pulleys and alternator.
Figure 59
3. Engine straps
Figure 60
3. Fan plate
4. Alternator belt
9. Install a new belt around the pulleys and the
alternator (Figure 61).
10. Install the fan and fan plate to the machine with the
2 bolts previously removed (Figure 60).
11. Install the oil cooler with the 4 bolts previously
removed (Figure 60).
12. Install the oil cooler shield and engine straps to
the rear frame with the 4 bolts previously removed
(Figure 59).
13. Install the engine straps to the side of the machine
(Figure 59).
14. Tighten the bottom bolt and install the upper bolt
holding the alternator and cover (Figure 61).
Tensioning the Alternator Belt
1. Place a handle between the alternator and cylinder
block.
2. Adjust the alternator to the outside until there is
1/4 to 11/32 inch (7 to 9 mm) deflection in the belt
between the engine and the alternator pulleys with
22.1 lbs of force (10 kgf) (Figure 61).
3. Tighten the alternator bolts.
4. Check the deflection in the belt again and adjust the
belt if needed.
5. If the deflection is correct, tighten the bottom and
upper bolt (Figure 61).
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