1
1
2
2
5
3
6
4
Remove the upper and lower
retaining screws
cover and carefully remove the
cover.
1
1
• Check the mount screws
tighten if necessary.
• Oil moving parts with Berulub,
especially the sliding brackets
• Check all electrical connections to
the motor
3
• Check the chain wheel
• Oil the chain
• Put the unit cover back again and
tighten the retaining screws.
Disconnect mains before
removing the covers.
on the lift unit
①
.
④
⑤
.
⑥
and
②
en
③.
for wear.
17