Figure 13
Adjusting the Blower Belt
Make sure the belt is properly tensioned to ensure
proper operation of the machine and unnecessary wear.
Check belt frequently.
Note:
Check/adjust the blower belt tension after the
first 20 hours of operation.
1. Loosen the (3) capscrews nuts securing the belt
guard to the blower housing (Figure 14). Remove
the guard.
Note:
The drive shaft does not have to be
disconnected to adjust the belt.
Figure 14
1.
Belt guard
2. A new belt is properly tensioned when the idler
spring body is extended to a length of 3-1/4 to 3-1/2
in. (83-89 mm) (Figure 15).
Figure 15
1.
Idler spring
2.
3-1/4 to 3-1/2 in. (83-89
mm)
3. When the belt stretches, adjust it as follows:
•
Loosen the nut securing the belt tensioner to the
blower housing.
•
Rotate the belt tensioner (Figure 15) until the
idler spring body is extended to a length of 3-1/4
to 3-1/2 in. (83-89 mm) (Figure 16), then tighten
the nut.
4. Install the belt guard to the blower housing and
tighten the mounting fasteners.
Figure 16
1.
Belt tensioner
2.
Belt tensioner notch
13