Mitsubishi Electric PKH18FK1 Technical & Service Manual page 62

OPERATING PROCEDURE
14. Removing the fan motor
After remove the electrical box covers:
(1) Disconnect the lead connector for fan.
(2) Pull out the room temp. thermistor from the casing (A).
(See photo 9)
(3) Loose the shaft joint set screws (2 pcs) with a hexagonal
wrench. (size 3mm).
(4) Unhook the casing (A) by pushing. (2 points for each
side)
(5) Open about half of the casing (A) and take it out.
(6) Loose the fixing band set screws. (1 pcs on the both
sides of the fan motor.)
(7) Remove the fixing bands.
(8) Take out the fan motor.
Photo 8
Casing (B)
Support bar
Casing (C)
15. Removing the room temperature thermistor
After removed the electrical box covers:
(1) Pull out the room temperature thermistor from the casing
(A).
(2) Disconnect the connector (CN-20) from the controller
board in the electrical box.
(3) Take out the thermistor.
16. Removing the indoor coil thermistor
After removed the electrical box covers:
(1) Remove the right side panel.
(2) Remove the set screw of the thermistor check plate and
the set screws of the side plate. (3 pcs)
(See phot 9)
(3) Remove the indoor coil thermistor from the heat exchang-
er.
(4) Disconnect the connector (CN-21) from the controller
board in the electrical box.
(5) Take out the thermistor.
Casing (A)
Shaft joint
Electrical box
Fan motor
Photo 9
Fixing bands
Photo 10
Fixing bands
OC193-60
PHOTOS
Fan motor
Casing (A)
Room temp. thermistor
Casing clamps
Sirocco fan (A)