Merlin Commander Essential my Q capable MS65MYQ Installation And Operating Instructions Manual page 9

POSITION THE OPENER
13
Disengage the trolley mechanism (see section "Operating the manual release") and slide it back towards the powerhead. Secure
the hanging push arm up into the rail assembly temporarily using tape or rope, to avoid a hazard.
SECTIONAL DOOR
You will need a 50 mm piece of timber or similar spacer to gauge the distance between door and rail.
1. Raise the opener onto support.
2. Open the door completely, place a 50 mm spacer between the door and the rail (as shown).
3. The final positioning of the rail should be relatively parallel to the horizontal door panels.
INSTALLATION
50 mm (2")
Header
above the highest
Bracket
point of travel
50 mm spacer should
Door
be used to determine
the correct mounting
position
9
Rail