11
1) Lower the curtain to the fully closed position.
2) Disconnect the curtain from the axle.
3) If the axle contains an anti-fall back spring the tension must
be removed from the spring before attempting to remove
the axle. To remove the tension you must rotate the
axle in the direction which would open the door the
number of turns stated on the label provided.
4) Isolate the mains power then disconnect the motor
leads from the control unit.
5) Remove screws securing motor octagonal fixing plate and
lever out retaining tabs with a screwdriver
6) Remove split pin from dummy end shaft and slide shaft free of
fixing plate.
7) Lift the axle assembly out.
8) Drill out the rivet securing the dummy end / spring to the axle
(hidden beneath end collar) make sure that any loose drilled
out rivet ‘slugs’ are removed from inside the axle to prevent
them making an unnecessary rattling noise
9) Drill out the rivets holding the collars in place or tap the rivets
along the channel using a screwdriver and a mallet
10) Slide out dummy end / spring and remove all collars
11) If an anti-fall back spring has been fitted you will need to
remove the spring inserts at both ends of the spring and swap
them round to reverse the handing of the spring. The spring
inserts are held in place with circlips.
12) Refit collars, ensuring that the ‘snail’ points towards the flat of
the end plate (see page 3 drawing F). Replace dummy end /
spring.
13) Re-rivet dummy end / spring / collars
14) Install the axle assembly following the instructions provided in
section 5.
15) Re-connect motor lead to the control unit.
16) Reset motor limits.
N.B. Incorrect setting of the limits risks damage to the motor and
curtain.
17) If a remote control has been supplied you will need to follow
11
REVERSING THE MOTOR HAND:
Open/up
Close/down
Fully press in to
set limits. Release
limit when set
Left Hand Motor
Fully press in limit switch to activate. Press and release switch when door has been set to
stop in correct position. The yellow limit switch activates the OPEN/UP limit. The white
limit switch activates the CLOSE/DOWN limit.
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