Samsung RT21M6213SR User Manual page 40

Maintenance
STEP 3 Reverse the auto closer (freezer door only)
Now stand the refrigerator back upright with care, and then do the following.
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1. Remove the auto closer and the stopper
from the bottom of the fridge door.
Then, reinsert them on the opposite side
of the fridge door as shown.
2. Use a flat-head screwdriver to remove
the hinge grommet.
3. Reinsert the hinge grommet on the
opposite side.
2020-11-11 PM 2:43:49