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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) If you need to replace or remove the motor, unbolt the
octagonal fixing plate and drill out rivets in the axle securing
the motor, make sure that any loose drilled out rivet ‘slugs’
are removed from inside the axle to prevent them making an
unnecessary rattling noise.
9) The dummy end and anti-fall back spring are also held in place
by rivets and should be removed in a similar manner.
10) Replace the motor / dummy end / anti-fall back spring,
re-rivet and refit the octagonal fixing plate to the motor end.
11) Install the axle assembly as per section 5 remembering to
tension the anti-fall back spring if one is installed.
12) Re-connect motor lead to the control unit.
13) Reset motor limits.
N.B. Incorrect setting of the limits risks damage to the motor and
curtain.
14) If a remote control has been supplied you will need to follow
the set up procedure outlined in the separate set up guide.
REPLACING MOTORS / DUMMY ENDS / ANTI-
FALL BACK SPRINGS:
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.
Close/down
Open/up
Right 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 CLOSE/DOWN limit. The
white limit switch activates the OPEN/UP limit.
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www.samsondoors.co.uk
0800 328 6250
www.samsondoors.co.uk
www.samsondoors.co.uk
0800 328 6250
www.samsondoors.co.uk
