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Chamberlain merlin MT23O Installation And Operating Instructions Manual page 7

Sectional and tilt garage door opener

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Eerrncn poLE AssEMBLy ro HEADER BRAaKET
Position opener on garage floor below the header bracket.
Use packing material to protect the cover.
NOTE: To enable the Pole to clear sectional door springs,
it may be necessary to lift opener onto a temporary sup-
port,
The opener must either be secured to a support or held flrm-
ly in place by another person. Raise the pole assembly until
chain pulley and header brackets come together. Join with
clevis pin (1). Insert R-Clip (2) to secure.
peosmoNwc THE oPENER
SECTIONAL DOOR OR
TRACKED TILT DOOR
You will need a 50mm piece of timber or similar
spacer to gauge the distance between door and pole.
1. Raise the opener onto a support.
2. Open the door completely, place a 50mm
spacer betlveen the door and the rail (as shown).
3. lf the top section or panel hits the trolley when
you raise the door, pull down on the trolley arm
to disengage the opener. Leave the trolley in
this position until opener is fastened in place.
ONE PIECE TILT DOOR
You will need a 100mm (4") piece of timber or similar
spacer to gauge the distance between door and pole.
1 . Raise the door onto a support
2. Open the door completely, place a 100mm
spacer between the door and the rail (as shown).
3. The top of the door should be level with the top
of the opener. Do not position the opener more
than 50mm (2") above this point.
Heroer
abov€ tha hlohest PoLe
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