52
6.2.2 DRIVE BELT TENSION AND ALIGNMENT
(Model BE-WC32)
A set of V belts transmits rotational power to the rotor. They
must be kept properly tensioned and the pulleys aligned to
obtain the expected performance and life.
To check the tension and alignment, follow this procedure:
1. Clear the area of bystanders, especially small children.
2. Turn machine off, stop engine, remove igni- tion key and
place in pocket and wait for all moving parts to stop.
3. Remove guard over belt.
4. Push on the belt in the center of the span.
The belt should deflect approximately 1 inch (25 mm) when
pushed on with about 10 lbs. force to be properly tensioned.
IMPORTANT
The belt should not slip when the chipper is being used.
5.
To adjust belt tension:
Use the adjusting bolt on the spring-loaded tensioning
pulley to set the belt tension. The bolt should not slip
when the machine is being used with a normal load.
6.
To replace belt:
a. Move idler pulley to its loosest position.
b. Replace belt.
c. Set pulley alignment.
d. Move idler pulley to set the belt tension.
e. Check frequently during the first 10 hours and set
belt tension as required.
7.
Lay a straight edge across the pulley faces to check
the alignment. Adjust alignment if pul- ley faces vary more than
1/32 in
WARNING
Machine is shown with guard
re- moved or rotor cover opened
for illustrative purposes only. Do
not operate machine with guard
removed or cover opened.
Adjusting Bolt
Alignment
FIG. 47 BELTDRIVE SYSTEM
