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13
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Motor
Propeller fan
[4] Loosen the cap nut (M5) (indicated by ) clock-
wise, and remove the propeller fan.
[5] Remove the faulty motor.
a. Turn the main unit upside down.
b. Unscrew the screws (two PTT screws 4x20,
indicated by ), and remove the motor.
Guard
[3] Remove the guard.
a. Turn the main unit upside down.
b. Remove the screws (PTT screws 4x20) and
special washers (4.2) (indicated by ).
Reassembly precaution
When installing the propeller fan, fasten the cap
nut (M5) with the tightening torque shown below.
Tightening torque:
1.08 to 1.27 N.m
Reassembly precaution
AH-1509S1-E and AH-2009S1-E contain two
types of the motor: rated voltage 80 V and 120 V.
Check the motor code marked on the motor, and
refer to Internal wiring diagram and Parts catalog.
Make sure to replace the motors with the same
type motors.
XXX
XXXXX
Motor code
Production date
Marking
Model
Screws (pieces)
AH-1006S1-E
2
AH-1509S1-E
4
AH-2009S1-E
4
AH-3012S1-E
5
c. Slide the guard in the direction of the arrow, and
remove it from the hook.
Guard
Hook
Tightening torque:
1.39 to 1.89 N.m
Tightening torque:
1.39 to 1.89 N.m
c. Replace the motor, and then reconnect the lead
wires with the supplied crimp caps.