Daewoo FRS-U20DD. Service Manual page 58

Removing of Check Valve
①
②
③
④
* Remove screws
of light cover.
* Hold the bottom
of cover and pull
forward to remove.
* Disconnect light
housing.
* Remove screws with a
(+)screw driver.
⑤
⑥
⑦
⑧
58
* Hold the bottom and
right of damper to pull
down to remove.
* Lift up a piece of Check Valve
Flap and insert a finger to the
valve frame to hold out.