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 (Figure 65).
4. Install the new belt around the engine and hydro pump
pulley (Figure 65).
5. Install the PTO drive belt.
6. Install the spring to the idler arm (Figure 65).
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 66).
3. Tighten the alternator bolts.
4. Check the deflection in the belt again and adjust the
belt if needed.
Figure 65
3. Spring
4. Spring loaded idler pulley
5. If the deflection is correct, tighten the bottom and
upper bolt (Figure 66).
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)
46
Figure 66
4. Top bolt
5. Bottom bolt