BELT DRIVE
Reversing Models
Refer to Figure 22.
Proper tension is when the drive belt can be depressed
approximately 1/2 inch (1.27 cm) by applying light
thumb pressure (approximately 5 pounds) at a point
midway between the sheave and motor pulley.
Proper tension is when each cylinder belt can be
depressed approximately 3/16 inch (.48 cm) by applying
light thumb pressure (approximately 5 pounds) at a point
midway between the sheave and the idler.
1. Remove guard from rear of tumbler.
2. To adjust cylinder belt tension, loosen idler housing
bolts holding idler housing assembly to the housing
support.
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3. Position housing assembly by turning adjusting bolt
until proper belt tension is reached, then retighten
idler housing bolts.
NOTE: Adjusting the cylinder belt tension will
change the drive belt tension. Drive belt tension must
also be adjusted.
4. Loosen the locking bolt.
5. Loosen the adjusting nut and use the adjusting screw
to move the motor up or down.
6. Once proper belt tension is reached, retighten the
adjusting nut and locking bolt.
7. Replace the guard on rear of tumbler.
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