92
OCH754A
OPERATING PROCEDURE
PHOTOS/FIGURES
14. Removing the base heater
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the upper 2 screws (5 × 12) fixing the motor
support, the lower 2 screws (5 × 12) fixing the base and
the screw (4 × 10) fixing the separator to detach the front
panel. (See Photo 1)
(4) Remove a nut (for right handed screw of M6) to detach
the propeller. (See Photo 2)
(5) Remove all of the following connectors from controller
circuit board;
<Diagram symbol in the connector housing>
• Fan motor (CNF1)
• Base heater (SV2)
Pull out the disconnected wire from the electrical parts
box. (See Photo 4)
(6) Loosen the clamps on the side of the motor support and
on the upper side of the separator.
(7) Remove 2 motor support fixing screws (4 x 10), then
remove the motor support with fan motor still attached.
(See Photo 13)
(8) Remove 4 base heater support fixing screws (4 x 10),
then remove the base heater support.
(9) Remove the base heater. (See Photo 14)
Notes:
1.
Tighten the propeller fan with a torque of 5.7 ± 0.3
N·m [4.2 ± 0.2 ft = lbs]
2.
Rotate the propeller fan and make sure that the base
heater and the lead wires do not interfere with the
movement of the propeller fan.
Photo 13
Photo 14
