Document number: SG104148TEN
Revision: B01
Issue date: 20.8.2012
Copyright© 2012 Sécheron SA - This document is not contractual and contains information corresponding to the level of technology at the date of release.
File: e-UR46-8S_trouble_en.fm
E-47
UR46-81/82S
Trouble shooting
E.2
Adjustments of the closing coil
Procedure 1
This procedure:
•
reduces the gap on the E type closing device.
•
increases the gap on the M type closing device.
04641-S
a) Mark (1) the position of the cover (2) in relation to the body (4) with a pen.
b) Loosen the four screws (5).
c) Turn the cover (2) counter clockwise (3) by 50 mm (taken on the body (4) at the circumfer-
ence).
d) Tighten the four screws (5) to a torque of 9 Nm.
e) If the adjustment described above is not sufficient, repeat operations a) to d) until the correct
result is achieved.
f)
If the adjustment is satisfactory, carry out the following test:
– close the circuit-breaker;
– disengage the fork (6) from the catches (7);
– transmit an “off” order to the closing device; if it does not return to rest, see defect:
B for M type or D for E type (in the above tables).
Procedure 2
This procedure:
•
increases the gap on the E type closing device.
•
reduces the gap on the M type closing device.
a) Mark (1) the position of the cover (2) in relation to the body (4) with a pen.
b) Loosen the four screws (5).
c) Turn the cover (2) clockwise (8) by 50 mm (taken on the body (4) at the circumference).
d) Tighten the four screws (5) to a torque of 9 Nm.
e) If the adjustment described above is not sufficient, repeat operations a) to d) until the correct
result is achieved.
f)
If the adjustment is satisfactory, carry out the following test:
– close the circuit-breaker.
– If the closing device dose not remain in the closed position, see defect:
A for M type, or
C for E type in the above tables.
03642
4
2
5
3
1
6
7
4
1
4
2
1
5
8
1
Summary of Contents for UR46-81S
Page 68: ...Secheron ...
