Automatic Technology Australia Securalift GDO 2v4 Installation Instructions And Owner's Manual - Page 7

Browse online or download pdf Installation Instructions And Owner's Manual for Garage Door Opener Automatic Technology Australia Securalift GDO 2v4. Automatic Technology Australia Securalift GDO 2v4 19 pages.

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STEP
4
Remove locating screwdriver
from
trolley.
Disengage
trolley from
chain index by
swinging lever downwards (Fig. 4), then slide
trolley
away from chain index along pipe track.
Loosen
locking
nuts on chain index screws. To
tighten chain,
turn chain index
in
anti-clockwise direction, looking
from
supporl
pipe
assembly
to drive unit. Do not overtighten
chain
as
it
has
to
sag
6-
12mm.
Checking before
locking
screw
with locking
nuts that chain
is
not twisted. When
tension
is
finalised
tighten
lock nut
at
both ends of chain.
FIG.4
PROCEED
FROM
STEP
5
PROCEED
FROM
STEP
5
SECTIONAL DOOR
WITH
TRACK
E
DOOR
WITH
ONE PIECE
DOU;
WITHOUT
TRACK
TRACK
STEP
4
Open the door and
find
the highest point
of
travel
of
the top door panel. Using a
level,
transfer this height to the
wall
above
the
tloor
(Fig. 5)
and
mark
a
line 60mm
above
it.
Determine the centre
of
the location on
the
wall
above and
on top of the door. Then draw
two (2)
lines 21.5mm on
each side
of
the
door centre. (Fig. 6).
LEVEL
\
EV
FIG.5