Siemens 15-FSV-750 Installation Operation & Maintenance - Page 35
Browse online or download pdf Installation Operation & Maintenance for Switch Siemens 15-FSV-750. Siemens 15-FSV-750 48 pages. Vacuum circuit breakers fsv series and msv series
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Interrupter/Operator
Maintenance
Holding Wrench
Te rminal Clamp 29 . 2
Figure 23
Illustration Showing Required Technique For Fastening Terminal Clamp Hardware
2 . 3
Restore a n y conductive spacers which may have been
p rovided to s p an the s p ace between tube and pole
su pport. Locate the u p pe r pole s u p port and fasten
"finger t i g ht" u s i n g heavy f l at washer, lockwasher and
nut,
'8' .
2.4
Fasten the u p per pole s u p port to the post insu lator
u s i n g f i n g e r p ressure only u s i n g hex head bolt, lock
washer and f l at washer.
2 . 5
Attach struts, 2 8 , to t h e u p per pole s u p port, 20. re
p l ace hardware, but d o not tighten at this time.
Position of To rque Wrench to Avo id Undue Stressing
of Moving Te rminal 36. 1
\
Di rection of Force
P
=
Vac uum I nterrupter 30
. �
Te rminal 36. 1
To rque Wrench
Couple levers, 4 8 . 6, and d rive l i n k , 4 8 . 9 to the eye
2.6
bolt, 3 6 . 3 , u s i n g the pin suppl ied . Apply retention
c l i p s . Ap propri ate pin is modestly chamfered , not to
be confused with pin for the i n s u lated cou p l e r.
2 . 7
Elevate terminal clam p , 29 . 2 , against t h e locking ring
on the movab le terminal of the vacu u m tube, 36. 1
and position the i nterru pte r 30, so that 1ts g roove
faces the connecting s u rface of flexible strap 29 . 1 .
Refer to F i g u r e 23 a n d emp loy technique i l l u strated
to fasten terminal c l a m p . Note opposing wrenches.
Ti ghten the bolt(s) of the term inal clamp to a torq ue
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