Mitsubishi Electric LGH-50RSDC-E1 Handbook page 27

Unscrew the screws (three screws, indicated by
the GM cover.
Remove the GM cover.
Unscrew the screws (two screws, indicated by
damper motor.
When reassembling
Reassemble the unit in the reverse order of disassembly.
After reassembly, always make a test run to be sure that
the unit operates properly.
) for
) for the
─ 27 ─
GM cover
Damper motor (GM)