York IDM030B21E Series Service Manual page 75

(4) After removing the rear lower cover, the fan assembly can be seen.
Remove the wiring for the motor secured by the cable clamp of the fan mounting plate.
(5) Remove four M4 screws securing each casing onto the fan mounting plate and move the fan casing
slightly.
(6) Remove two M4 screws securing the motor holding bands to the motor base and remove the motor,
the fan casings and the fan runners at the same time.
NOTE:
The total weight of the fan motor, the fan casing and the fan runners is approximately
11.5 lbs. (5.2kg). Perform the above work carefully.
SM-16005-rev.2
TURN OFF all POWER supply switches.
Tool Phillips Screwdriver
Motor Holding Band
M4 Screws (x 2)
M4 Screws (x 8)
MAINTENANCE
4-5