Replacing And Tensioning The Alternator Belt - Toro Z580-D Z Master Operator's Manual

1. Clutch
2. Pump drive belt
Replacing and Tensioning the
Alternator Belt
Replacing the Alternator Belt
Service Interval: Every 50 hours—Check the alternator
belt.
If the alternator belt needs to be replace, take your
machine to an Authorized Service Dealer.
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 72).
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 72).
Figure 71
3. Spring
4. Spring loaded idler pulley
1. Alternator
2. Alternator belt
3. Deflection, 1/4 to
11/32 inch (7 to 9 mm) with
22.1 lbs of force (10 kgf)
51
Figure 72
4. Top bolt
5. Bottom bolt