Mitsubishi Electric FRESH MASTER GUF-50RD4 Handbook page 21

( 3 ) Damper Motor Section
1 Unscrew the screws* (indicated by ) from the mo-
tor cover.
*GUF-50 types: two PTT screws 4 × 6
GUF-100 types: two PTT screws 4 × 8
2 Take the damper motor out of the cover.
( 4 ) Circuit Board Section
1 Unscrew the screws (four PT screws 4 × 8, indicated
by ) from the control cover.
2 Unscrew the screws from the capacitors. (One PTT
screw 4 × 8 for each capacitor, indicated by )
Motor cover
Capacitor
─ 21 ─
Damper motor
Control cover