Adjusting The Mower Belt Tension - Toro Z Master Professional 7000 Series Operator's Manual

1. Belt cover
2. Latch
Adjusting the Mower Belt
Tension
For 72-inch Mowers Only
Service Interval: After the first 8 hours
Important:
To ensure proper mower belt tension,
which will result in a longer belt life, check the
mower belt tension after the 8 hours and every 8
hours, thereafter.
1. Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Adjust the mower deck to the 76 mm (3 inches)
height-of-cut position.
4. Measure the spring length
spring length is between 25.4 to 26 cm (10 to
10-1/4 inches), from post to post, no adjustment
is needed.
5. Loosen the bolts holding the idler plate
77).
6. Insert a ratchet or breaker bar into the square
hole in the idler plate to adjust the tension
(Figure 77).
7. Rotate the ratchet or breaker bar to move the
idler plate until the idler spring is between 25.4
to 26.0 cm (10 to 10-1/4 inches) from post to
post as shown in
Figure 76
3. Insert slot into the tab
(Figure 77). If the
Figure 77.
8. While holding the belt tension and spring length,
tighten the idler plate bolts that secure the idler
plate
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1. Belt guide (install at a 45
degree angle)
2. Idler spring length
(between 25.4 to 26.0
cm (10 to 10-1/4 inches)
3. Idler plate
(Figure
55
(Figure 77).
Figure 77
4. Ratchet or breaker bar
5. Idler plate bolt
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