DRIVE
WARNING
To reduce the risk of serious injury or death, disconnect power to the tumbler before performing this operation.
Proper tension is when belt can be depressed approximately ¹⁄₂ inch (1.27 cm) by applying light thumb pressure at a point midway between the sheave and motor pulley.
1. Remove guard from rear of tumbler.
WARNING
To reduce the risk of serious injury or death, guard MUST be installed on rear of tumbler after belt adjustment is made.
2.To adjust belt tension, loosen adjusting bolt holding idler housing assembly to housing support.
3.To tighten
a.Loosen lower nut on adjusting bolt.
b.Turn bolt up until belt has proper tension.
c.Tighten upper and lower nut or adjusting bolt.
4.To loosen
a.Loosen top nut on adjusting bolt.
b.Turn bolt down until belt has proper tension.
c.Tighten upper and lower nut or adjusting bolt.
5.Replace guard on rear of tumbler.
6.Upper belt requires no adjustment since it is self- adjusting.
POLY
IDLER
HOUSING
BOLTS
(2)
ADJUSTING BOLT
IDLER
HOUSING ASSEMBLY
DRIVE
Figure 33 56
T278IE3A
M412616