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450431-3 www.amdry.com 17
Remove the four bolts holding the two speed reducing shaft
pillow block bearings in place and remove shaft assembly
from dryer.
To remove front or rear pulley follow steps in “To Replace
Drive Shaft Pulleys”.
Loosen and remove the two setscrews in the front/rear pillow
block bearing.
Clean the shaft and slide the bearings off of the shaft.
Install new bearing by reversing these procedures.
Reestablish electrical power to the dryer.
Rotational Sensor Switch Replacement
Discontinue electrical power to the dryer.
Remove the bearing cap from the dryer.
Remove the adjustment nut from the bearing cap.
Remove the magnetic rotational sensor switch from the
bearing cap.
Depress the tabs on the rotational sensor harness plug
and pull apart, then remove the sensor switch.
To install a new sensor switch, connect the plug of the new
sensor switch to the sensor harness.
Place one adjustment nut onto the sensor switch and insert
into the bearing cap.
Place the second adjustment nut on but do not tighten. The
magnet on the flange bearing and the sensor switch must
be in a horizontal line to one another.
The gap between the magnet and the sensor switch must
be 1/8-inch.
Tighten the adjustment nuts installed.
Reestablish electrical power to the dryer.
Clean the shaft and slide the pillow block bearings off of the
shaft.
Reverse these steps to install new pillow block bearings.
NOTE: Check belt adjustment and readjust if necessary.
To Replace Speed Reducing Shaft Bearings
Discontinue electrical power to the dryer.
Remove the lint drawer.
Remove the lint door.
Loosen and roll V-belts off that connect speed reducing shaft
to drive shaft.
Loosen and roll V-belts off that connect speed reducing shaft
to the drive motor.
To Replace Rear Tumbler Shaft Support Wheels
Disconnect electrical power to the dryer.
Remove the four nuts securing the rear support box to the
dryer.
Remove the center Allen head bolt and Teflon
®
washer.
Loosen the individual wheel bolts so the rear of the box can
be removed.
Remove the damaged wheel.
Replace with new wheel.
Reverse steps to replace support box.
Reestablish electrical power to the dryer.
NOTE: Don’t over tighten wheel bolts, which could bind
bearings.