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: d-UR46-8S_maint_en.fm
D-43
UR46-81/82S
Maintenance
D.13
Replacement of the pusher and the shock absorber
These parts must be removed when changing the direct release.
Criteria to change the shock absorber (11): 50’000 operations, or visible traces of oil on it or on
the bottom of the frame (13).
Pusher
a) Remove the connector (1) and the earth connection (2).
b) Remove the end (3) of the pusher (4) from its seat on the moving contact (5).
c) Push the swivel joint support (6) off its seat (7) to remove the pusher.
d) Insert the new pusher (4) into its seat (7).
e) Insert the end (3) of the pusher into its seat on the moving contact (5).
f)
Check that the swivel joint support (6) is at the bottom of its seat (7).
g) Adjust clearance Z: see §
D.6.5 "Check and adjustment of the Z clearance"
.
h) Reconnect the connector (1) and the earth connection (2).
Shock absorber
a) Remove the connector (1) and the earth connection (2).
b) Remove the unit (9) from its frame seat (10).
c) Remove the shock absorber (11) from its sleeve (12).
d) Insert the new shock absorber (11) into its sleeve (12).
e) Hold the unit (9) by hand and insert it into its frame seat (10), compressing the piston (14)
with your thumb.
f)
Push the unit (9) to the bottom of its seat (10); closing the circuit-breaker if necessary.
g) Reconnect the connector (1) and the earth connection (2).
04634-S
D.14
After sales services
For any return of merchandise to Sécheron, please refer to our website “www.secheron.com”
and click on “Services / RMA”.
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Содержание UR46-81S
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