Installation Instructions 11
b) Wring the screws
After drilling holes in the wall, place four expansion tubes (object 2 shown in the left
drawing below) in the holes using a rubber hammer. Then, wring two screws (object
1) into the top expansion tubes. The other two screws must wring into the two
expansion tubes below with two washers.
Attention!
Before inserting expansion tubes, measure the depth of every hole
and the distance between every two holes. If the measure values do
not meet the installing requirements, re-drill holes in the wall.
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