ABB UEMC 40 B Series Installation And Operating Manual page 7

B. NAL-disconnector mounted on the
side wall of the cubicle
Spring device: A-mec, K-mec or KS-mec.
The operating device can be mounted on the right hand
or left hand side of the disconnector. When mounted on
the right hand side it must be noted that the direction of
operation should be changed to anti-clockwise closed.
Refer to point 5.h.
1. Motor operation device
2. Adjuster coupling
A-mec, basic adjustment method
1. Operating device in open position (as delivered).
2. Operate the disconnector in the direction of the
open position until the spring is charged, (charging
catch latches). Turn lightly using the handle, in the
direction of the arrow on the A-mechanism until
the free play is taken up.
3. Free the operating devices coupling ring A-4 for
manual operation, and turn the coupling ring so
that dimension X = 5 mm. See fi g. C
4. Install the operating device in this position.
5. Refer to point 5, general installation instructions.
Fig. C
UEMC 40 D2- or UEMC 40 D1-
UEMC-ZL 10 (only for KS-mechamism)
K-mec, basic adjustment method
1. Operating device in open position (as delivered).
2. Disconnector in the open position. Turn lightly using
the handle in the direction of the arrow on the
K-mec until the free play is taken up.
3. Free the operating device's coupling ring A-4 for
manual operation, and turn the coupling ring so
that dimension X = 5 mm. See fi g. C.
4. Install the operating device's in this position.
5. Refer to point 5, general installation instructions.
KS-mec, basic adjustment method
The same installation instructions are applicable to
disconnectors mounted on either the rear or side wall
of the cubicle. Refer to point 6.A.
7