American Dryer Corp. AD-100 - Manual (Page 19)

b. Loosen bearing at set screws.
c. Back off lateral alignment screws (Figure 9),
d. Remove bolts from pillow block(s).
e. Remove bearing(s).
f. Reverse the removal procedure for re-installing (Align tumbler
horizontally with dryer \\rrapper cavity before fully tightening
the rear bearing bolts using the lateral alignment screws.
Align tumbler vertically as required using the vertical align­
ment screws after fully tightening all bearing bolts).
2. Idler shaft bearings (Page 9-9, Figure 5)
Forward bearing (Nearest rear panel)
a.
b.
c.
d.
e.
f.
g-
Remove belts.
Loosen set screws on both bearings.
Remove bolts from pillow block.
Pull idler shaft (with pulleys and forward bearing attached)
to rear through rear idler bearing.
Remove end retaining ring and remove bearing from end of idler
shaft.
Replace by reversing the procedure.
Align idler pulley with tumbler pulley above before tightening
bolts.
Rear bearing (Nearest pulleys)
a. Remove bolts.
b. Loosen set screws on both bearings.
c. Remove bolts from both pillow blocks.
d. Remove retaining rings and remove both bearings from idler shaft.
e. Replace by reversing the procedure.
f. Align idler pulleys with tumbler pulley above before tightening
bolts.
MOTORS:
Causes of possible overheating: overloading tumbler, air circulation
around motor, drive belts too taut, lint blocking motor vents, bearing failure,
or low voltage supply (Page 9-10, Figure 13 and Page 9-11, Figure 15).
1. To replace drive motor
a. Turn power off.
b. Remove drive belts.
c. Disconnect wiring harness from motor.
d. Remove bolts holding motor to mount and replace with new motor.
Do not tighten bolts.
e. Remove pulley from old motor and install on new motor.
f. Align motor pulley with idler pulley and align motor shaft with
idler shaft and tighten bolts.
g. Replace belts and adjust belt tension by loosening motor bracket
mounting bolts and forcing bracket downwards. Tighten bolts.
8-7