Mitsubishi Electric PAC-MK53BC Technical & Service Manual page 27

OPERATING PROCEDURE
3. Removing the LEV coil (LEV-A–E*)
(1) R emove the controller cover. (See Photo 1)
(2) R emove the under cover. (See Photo 1)
(3) R emove 8 insulations, then remove 9 pipe cover fixing
screws (4 x 10). (See Photo 2-1)
(4) C ut the bands that fixes the lead wire, then pull out the
LEV coil(s) (LEV-A – E*). (See Photo 3)
(5) L oosen the insulation sheet which bundles the LEV lead
wires.
(6) L oosen the side clamps, then disconnect the connector(s)
on the controller board.
(7) P ull out the lead wire(s) through the hole to the controller
board side.
(See Photo 2-2 or 2-3)
*LEV-A–C for PAC-MK33BC(B). (See Photo 2-3)
4. Removing the controller board
(1) R emove the controller cover. (See Photo 1)
(2) L oosen the side clamps, then disconnect the connectors
on the controller board.
(3) P ick an upper edge of the controller board, then pull for-
ward. The controller board is fixed to the controller board
holder with 4 hooks. (See Photo 4)
(4) R emove the controller board from the controller board
holder.
OCH664
PHOTOS/FIGURES
Photo 3
Rubber mount
Bands
Photo 4
Controller board
Hooks
27
Bands
Header assy
LEV assy
LEV coils
Controller board holder