5
5
en
7
6
16
5
5
6
9
7
1 0
6
8
Remove the upper and lower retaining
screws
on the lift unit cover and
5
carefully remove the cover.
• Check the wall brackets
tighten if necessary.
• Oil moving parts with WD40,
especially the sliding brackets
• Check all electrical connections to
the control box
• Check the chain wheel
• Oil the chain
10
• Put the unit cover back again and
tighten the retaining screws.
and
6
.
7
.
8
for wear.
9
.