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Motor
Propeller fan
[5] Loosen the special nut (5) (indicated by ) clock-
wise, and remove the propeller fan.
[6] 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.
c. Replace the motor, and then reconnect the lead
wires with the supplied crimp caps.
Guard
[4] Remove the guard.
a. Turn the main unit upside down.
b. Remove the screws (PTT screws 4x20) and
special washers (4.2) (indicated by ), and then
remove the guard.
<The number of screws>
GK-2509YS2-CE, GK-3009AS2-CE: Four screws
GK-2512AS2-CE, GK-3012AS2-CE: Five screws
Reassembly precaution
When installing the propeller fan, fasten the spe-
cial nut (5) with the tightening torque shown below.
Tightening torque:
107.8 to 127.4 N.cm
Reassembly precaution
GK-2509YS2-CE and GK-3009AS2-CE contain
two types of the motor: rated voltage 80 V and
120 V. Check the motor code marked on the mo-
tor, 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
(4) Remove the Switches (ON-OFF/HIGH-LOW).
[1] Remove the under cover. See (3) [1].
[2] Disconnect the switch connectors. See (3) [2].
[3] Hold and push the claws (indicated by ) of the
switches, and remove the switches from the under
cover.
Under cover
Switch (HIGH-LOW)
Switch (ON-OFF)