2-75
SERVICING
(2.5 2-Way Cassette Type)
2.5.10 Removing Electronic Expansion Valve Coil
(1) Remove the optional air panel according to the item 2.5.3 “Removing Optional Air Panel”.
(2) Remove the fan assembly according to the item 2.5.4 “Removing Fan Runner and Fan Motor”.
(3) Remove the drain pan according to the item 2.5.8 “Removing Drain Pan”.
Phillips ScrewdriverTool
(4) Remove the butyl sheet at the electronic expansion valve.
(5) Prepare two (2) spanners (#19 and #14). Hold the part of the valve body with one spanner and
loosen the lock nut with another spanner by turning the lock nut counterclockwise.
NOTE:
Do not hold the motor part when loosening the lock nut by spanner. The base of the drive part may
turn idle and be broken.
(6) Turn the lock nut by a few turn, and the drive part is separated from the screw and can be removed.
(7) Prepare the new drive part for replacement (service part) with the position of the driver (drive screw)
already adjusted.
NOTE:
During replacement work, pay attention to the separation part and prevent the dust, foreign particle,
etc. from entering into the separation part. (The exposed part by separation is the mechanical part of
the valve.)
Do not hurt the junction part of the valve with the tools.
(8) Put the drive part onto the valve body, hold them with their axes matching and attach the lock nut to
the screw part of the valve body.
TURN OFF all power source switches.
Expansion Valve
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