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5. Loosen V-belts. Rotate pulley and V-belts out of the groove.
6. Block the tumbler (basket) assembly in position.
7. Mark the position of pillow block bearing then remove the bolts from the pillow block bearings.
8. Remove the drive shaft assembly through the front of the machine.
9. Remove the set screw from the 9 (22.86 cm) pulley.
10.Remove the pulley and key.
NOTE: A gear pulley may be required to remove the pulley.
11.Remove cap screws from bushing.
12.Insert cap screws in the tapped removal holes and tighten evenly until bushing becomes loose on shaft.
13.Remove the bushing, tumbler wheel, and key.
14.Reverse this procedure for replacement.
IMPORTANT: Tighten screws evenly and progressively. Never allow the sheave to be drawn in
contact with the flange of the bushing. This gap should measure from 1/8 to 1/4.
Proper cap screw torque is 30 ft-lbs. (41 Nm). If greater tightening forces are
applied, excess pressure will be created in the hub of the mounted sheave which may
cause it to crack.
H. TUMBLER WHEEL REPLACEMENT ON IDLER ASSEMBLY (Taper Lock Models)1. Disconnect electrical power to the dryer.
2. Remove the front panel from the dryer. (Follow front panel replacement directions on page 24.)