Examples Of Installation And Basic Adjustment Method - ABB UEMC 40 B Series Installation And Operating Manual

Motor operating device
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KS-mec, basic adjustment method
Applicable to both disconnector mounted on the side
or rear wall of the cubicle. Refer to fi g. B and fi g. C.
1.
Operating device in open position (as delivered).
2.
Disconnector in the closed position. Operate the
disconnector with the handle to charge the spring
device, and continue in the direction of the arrow
on the KS-mechanism until the free play is taken
up.
3.
Loosen the adjuster coupling screws to max. free
play. The adjuster coupling provides facility to
adjust the extreme positions exactly and to reduce
the control angle.
4.
Turn the adjuster coupling in the opposite direction
of the arrow KS-mec. until the free play is taken
up.
5.
Install the motor operating device.
6.
Tighten one adjustment screw on the adjuster
coupling until a light resistance is felt towards the
open position. Do not tighten it so much that the
coupling ring cannot be drawn out by hand. The
position of the adjuster coupling's splines should
be that the adjuster screw is screwed out only a
few millimeters, otherwise the free play will not
be enough for positioning at the other end.
6
7.
Trip the disconnector to the open position using
the tripping mechanism.
8.
Free the operating device's coupling ring A-4 and
operate the motor operating device to the
closed position, ensuring that the disconnector
remains in the open position. The operation can be
made electrically or by rotating the nut on top.
9.
Operate the disconnector with the handle until the
closing spring is charged and the end free play
is taken up. If the coupling ring should not latch
in refer to above point 6.
10. Tight the adjuster couplings other adjustment screw
until a light resistance is felt towards the closed
position, but do not tighten so much that the
coupling ring cannot be drawn out by hand.
11. Trip the disconnector to the closed position using
the tripping mechanism.
12. Refer to point 5, general installation instructions.
6

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Uemc 40 a seriesUemc 40 d series

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