Mitsubishi Electric LGH-15RVX3-E Handbook page 42

[3] Loosen the black screw (one PTT screw 4×8, indicated
by ) for the fix piece.
Fix piece
[4] Slide the fix piece to the down side.
Fix piece
[5] Pull out the hinge, and open the maintenance cover.
Hinge Maintenance cover
[6] Draw the filters from the main unit.
Filter
[7] Draw the Lossnay cores from the main unit.
Lossnay core
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