Schaltbau CT1115/04 - Page 34

34
2019-03-06 / V1.0
Maintenance
Contactors CT/CU Series – Installation and Maintenance Instructions
1
2
Fig. 44: CT/CU 1115/10/11, 1130/10/11: Replace the moving
bridge
X Insert the new moving bridge (2) from the top into
the guidance.
X Screw on a new self-locking nut (M8 x 1.25) includ-
ing washer (1) at the bottom of the lower module
using a 13 mm socket wrench.
X Thighten the self-locking nut (1) with a torque of
10 Nm.
X Test the new moving bridge (2) by lifting it up and
down.
- The moving bridge (2) must easily move up and
down.
X Secure the self-locking nut (1) again with red lock-
ing varnish.
Replace the moving bridge (double pole contactors)
Depending on the contactor type, see Fig. 45 to Fig. 50.
X Remove the self-locking nut (M8 x 1.25) including
washer (1) at the bottom of the lower module us-
ing a 13 mm socket wrench.
The self-locking nut (1) is secured with red
locking varnish which will be destroyed
during that operation.
X Remove the torx screw and the aluminium sleeve
(3) in the middle of the side cover (4) using a TX10
torx bit.
X Remove the 2 hexagon head screws (M4) and
washers (2) at the bottom of the side cover (4).
X Keep all screws, the sleeve and washers in a safe
place.
X Remove the side cover (4).
X Gently pull the small lever (5) out of the bigger one
(6).
4
2
6
5
3
1
Fig. 45: CT/CU 1215/04, 1230/04, 1215/08, 1230/08:
Replace the moving bridge 1
1
4
3
6
5
2
Fig. 46: CT/CU 1215/10/11, 1230/10/11: Replace the moving
bridge 1
X Press and hold the spring holder (8) and remove
the 2 screws including washers (7) using a 4 mm
hexagon socket wrench.
X Carefully remove the spring holder (8) and the
2springs (9).
7
9
8
Fig. 47: CT/CU 1215/04, 1230/04, 1215/08, 1230/08:
Replace the moving bridge 2