York HIDS006B21S Service Manual page 80

MAINTENANCE
(Ducted High Static Type)
(7) Remove four screws securing the fan casing onto the motor plate and pull out the fan casing.
When pulling out the fan casing, turn the fan casing at an angle of 180°.
M4 Screws
(8) Remove two M4 screws securing the flange in front of the fan motor and remove the flange.
4-6
TURN OFF all POWER supply switches.
Rotate the casing by 180
Tool Phillips Screwdriver
M4 Screws
o
Pull out the casing at this position
Tool Phillips Screwdriver
Flange
M4 Screws
SM-18001-rev.1