Replacing The Pump-Drive Belt; Replacing And Tensioning The Alternator Belt - Toro Z Master Professional 7000 Series Operator's Manual

Replacing the Pump-Drive
Belt
Service Interval: Every 50 hours—Check the
pump-drive belt.
Note:
Remove the PTO-drive belt first if the
pump-drive belt needs to be replaced.
1. Tilt the seat forward and remove the front engine
panel.
2. Remove the PTO-drive belt.
3. Remove the spring from the idler arm
90).
4. Install the new belt around the engine and
hydraulic pump pulley
5. Install the PTO-drive belt.
6. Install the spring to the idler arm
Figure 90
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.
(Figure
(Figure 90).
(Figure 90).
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3. Spring
4. Spring-loaded idler pulley
2. Adjust the alternator to the outside until there
is 7 to 9 mm (1/4 to 11/32 inch) deflection in
the belt between the engine and the alternator
pulleys with 10 kg (22.1 lb) of force
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
1. Alternator
2. Alternator belt
3. Deflection—7 to 9 mm (1/4
to 11/32 inch) with 10 kg
(22.1 lb) of force
Checking the Alternator-Belt
Tension
Service Interval: Every 100 hours
1. Apply 44 N (10 lb) of force to the alternator belt,
midway between the pulleys.
2. If the deflection is not 10 mm (3/8 inch), loosen
the alternator mounting bolts
65
(Figure
(Figure 91).
Figure 91
4. Top bolt
5. Bottom bolt
(Figure 92).
91).
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