22 Air DryersāA-4400 Series Technical Bulletin
16. Splice the two leads of the replacement fan motor to the existing leads
using wire nuts (field furnished).
17. Reconnect the power supply to the air dryer.
18. Check for excessive vibration. If the unit is vibrating excessively, it is
likely that one or more of the fan blades is misaligned. To align the
blades, refer to the Excessive Vibration section in this bulletin.
19. Reinstall the cabinet cover, and using a 1/4 in. hex-head wrench blade
screwdriver, secure it in place using the cover mounting screws retained
in Step 2.
Figure 12: Condenser Fan Motor Assembly