ASSEMBLE DOOR ARM AND SET LIMITS –
NOTE: For one-piece doors, do not connect door arm to trolley before adjusting limits. Failure to follow instructions may result in dam-
age to door. See below.
A. SECTIONAL DOOR INSTALLATION:
Connect according to Figure B, then proceed to
Step 18.
B. ONE-PIECE DOOR INSTALLATION:
Connect straight door arm
(1)
and curved door arm sections
(2)
to obtain the longest possible length with hardware
(3, 4 & 5)
. With door closed,
connect straight door arm section to door bracket with a clevis pin
(6)
. Secure with a ring fastener
(7)
.
Before connecting door arm to trolley, adjust travel limits. Limit adjustment screws are located on left side panel.
Open Door Adjustment: Decrease up limit.
Turn
up
limit adjustment screw counterclockwise 5-1/2 turns.
Press door control button. Trolley will travel to full open position
(8)
. Manually raise door to open position (parallel to floor) and lift
door arm
(9)
to trolley. The arm should touch trolley just in back of door arm connector hole
(10)
as shown in
solid line
drawing. Increase
up
limit if
necessary. One full turn equals 5cm (2") of door travel.
Closed Door Adjustment: Decrease down limit.
Turn
down
limit adjustment screw clockwise 5 complete turns.
Press door control button. Trolley will travel to full
closed position
(11)
. Manually close door and lift door
arm
(12)
to trolley. The arm should touch trolley just
ahead of door arm connector hole
(13)
as shown in
dotted line
drawing. Decrease
down
limit if neces-
sary. One full turn equals 5cm (2") of door travel.
Connect Door Arm to Trolley:
With door closed,
connect curved arm to trolley with remaining clevis
pin. Secure with ring fastener.
Note: Lift door
slightly to make connection if necessary.
Run opener through a complete travel cycle. If door
has a slight "backward" slant in full open position,
decrease
up
limits until door is parallel to floor.
17
12
13
10
9
11
8
A
4
3
5
B
7
6
2
1
4
5
3
3
5
4
7
6
B
A
11
Содержание Merlin MT5580
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