York HIDS006B21S Service Manual page 107

(9) Push the coupling to the left slightly, then the long shaft, and the bearing can be separated.
(10) Remove eight M4 screws securing the casings onto the fan mounting plate and move the fan casing
slightly.
ATTENTION:
The total weight of the fan motor, the fan casings, and the fan runners is approximately
33 lbs. (15kg). Perform the above work carefully.
(11) Push the hooks at both sides of the fan casing and remove the lower part of the casing.
(12) Loosen the screws securing the fan motor and the fan runner using the hexagonal wrench (for M6
screw) and pull out to remove the fan runner.
Hook
SM-18001-rev.1
TURN OFF all POWER supply switches.
M4 Screws (x 8)
Fan Casing
Tool Phillips Screwdriver
Long Shaft
Tool Hexagonal Wrench
Hexagonal Wrench
Fan Runner
MAINTENANCE
(Ducted Slim Type)
Bearing
Motor Shaft
4-33