Merlin MT5580P Installation And Operating Instructions Manual page 13

22 CONNECT DOOR ARM FOR
(SECTIONAL DOORS)
Make sure garage door is fully closed. Pull the emer-
gency release handle to disengage the trolley. Slide
the trolley assembly back 200mm from the idler pul-
ley.
Figure 1.
• Fasten straight door arm section to trolley
assembly using the hardware provided with
your opener.
Figure 2.
• Bring arm section together. Find two pairs
of holes that line up and join sections.
Select holes as far apart as possible to
increase door arm rigidity.
Figure 3.
• If holes in curved arm are above holes in
the straight arm, disconnect straight arm
and cut approximately 150mm from
solid end. Re-connect to trolley with cut
end down as illustrated.
• Bring arm sections together.
• Find two pairs of holes that line up and join
with bolts, washers and nuts.
HARDWARE PROVIDED
5
CONNECT ELECTRIC POWER
TO AVOID INSTALLATION DIFFICULTIES, DO NOT RUN THE GARAGE DOOR OPENER UNTIL
INSTRUCTED TO DO SO.
Connect the opener to a properly EARTHED power outlet, installed in compliance with local building
and electrical standards.
4 7
3
6
Figure 1
Pulley
Ring
Fastener
7
Door
Bracket
6
Figure 2
Pulley
Figure 3
Pulley
26
13
Trolley
Clevis Pin
Emergency
Release
Handle
Straight
Door Arm
Curved Door Arm
Trolley
Trolley