Figure 9. Vac Uum Breaker Mechanism - Cl Osed P Osit I On And Tripping Springs Charged - Siemens 5-FSV-350 Installation Operation & Maintenance

General
5 . Perform a careful visual inspection noting a n y damage
which may have occu rred in shi pment. C lean all d ust, d i rt
and foreign materials acc u m u lated in shi pment.
6.
Using procedures desc ri bed i n the maintenance section
of this manual, carry out a vacuum chec k , POO .
7 . C o m p l ete a m an u a l s p r i n g c h a r g e , c l o s e a n d t r i p
operation .
8. Reinstall all interphase and external barriers (see 4 above)
9 . Check p rimary contact assemblies . Fingers should b e
fully engaged, spring loaded a n d arranged with sym­
metry about the axis of the primary stud .
1 0. De-energ ize c u bicle control power, and install plug jumper
between c u bicle secondary d i sconnects and those of the
breaker. Re-energize control power springs should charge.
With the local control switch close and trip breaker.
1 1 a. (Lever type racking only) Note that with the breaker closed,
that the racking release handle, ( Fig. 2a and 2b ) , cannot
be raised . Open b reaker by pressing trip button and note
the racking lever may be freely raised.
11 b . (Sc rew type racking only) Refer to the panel mounted
cautionary statement and safety instructions ( reprod uc­
tion below). Read and u nderstand this information before
i nserting the c i rcuit breaker into the cu bicle.
A CAUTION
CIRCUIT BREAKER IS EQUIPPED WITH SCREW
RACKING AND MAY INCLUDE A KEY TYPE
INTERLOCK, AS WELL KNOW HOW THIS
EQUIPMENT IS TO BE OPERATED BEFORE
ATTEMPTING TO INSERT OR RACK CIRCUIT
BREAKER. FAILURE TO DO SO COULD
RESULT IN PERSONAL INJURY AND PROPERTY
DAMAGE.
OBSERVE SAFETY INSTRUCTIONS AND RESTRICT
OPERATION TO QUALIFIED PERSONNEL ONLY.
1 2.
13.
1 4 .
1 8-744 - 1 9 1 -001
A
SAFETY
INSTRUCTIONS
FJF
THIS CUHICLE MAY E:QUIPPEO\'<IlH KEY TYPE
�HE LOCK BOLT MUST BE IN THE' WITHDRAWN PUSITI(l"J A'\J[l
TCl
E3REAKE:R OPEN E3EFOHF ATTE�JPTINCi
FUll
t'.EFORE IN'-;E:_FITING BHFAKlH THE
THf
CONDITIONS SIKHJL D BE \'[RIFlE[!
tmE: fl 1:--.
OUT AGAINST <.;TOP AND >\Kf Of'E:N
-
DISCONNECT P(y- ,JTJON WHEHf INTEGLOCK
POSITIVE STOP RAISE' RACKING RELEASE HANDLE AND f-'USH !JREAKER
TO TEST POSITION WHERE IT WILL MAKE A POSITIVl STOP AND VVIL I
BE' AUTOMATICALLY COUPLED T O THE DRIVE MECHANISr-.. 1
l
MOVING THE BREAKER BE:TWEEN TH!:_ DISCONNECT AND TE:-,T f-'OSITION
IS ACCOMPLISHED BY �lAST RAISING THE RACKING RELEA"iF HANOLE
AND EITHER
PUSHING BREAKER FROM DISCONNECT TO TEST
PULLING BREAKE:R FROM THE TEST TO DISCONNECT
IT IS NOT RECOMMENDED THAT THE BREAKER BE SCRF-W RACKED FROM
DISCONNECT TO TEST POSITION !ONLY POSSIBLE I� THE_ BREAKER S
RACKING REt EASE HANDLE- IS RAISED! IF THIS IS DONE BREAKER
WILL NOT AI_!TGMATICALLY STOP IN TEST POSITION
�
CLOCKWISE CRANK ROTATION WILL MOVE BREAKER FROM TEST TO
CONNECTED POSITION COUNTERCLOCKWISE ROT AT ION WILL MOVE
BREAKER FROM CONNECTED TO TEST POSITION UPON REACHING
EITHER CONNECTED OR TEST POSITION BREAKER WILL AUTOMATICALLY
STOP AND LATCH IN PLACE
6
THE BREAKER MAY BE REMOVED FROM THE CUBIClF RY RAISING THE
RACKING RELEASE HANDLE AND PULLING THE BREAKER FROM THE
DISCONNECT POSITION UNTIL IT IS FULLY WITHDRAWN
CUBICLE
THE' KEY INTE'RLOCK IF SPECIFIED IS LJSE:_O TO LOCK THE BRFAKEH
TRIP FREE TO LOCK THf- BREAKER TRIP FREE
WITH BRFAKE:R IN CONNECTED POSITION AND
TURN ORIVl MECHANISM CRANK EXACTLY FOUR 14, TURN':-> IN A
COUNTERCLOCKWISE DIRECT ION
TURN KEY ON LOCK TO EXTEND LOCK BOlT BREAKER
LOCKED IN A TRIP-FREE CONDITION
8 TO RELEASE INTERLOCK AND RETURN BREAKER T() NORMAL CONOITION
TURN KEY TO WITHDRAW LOCK ROL T
THEN TURN CRANK IN A CLOCKWISE_ DIRE CTION lJNrn IT STOP:,
Perform and record results of the "as fou nd" tests. Com­
pare with pre-storage "As Found" test val ues if stored .
De-energize control power and remove plug jumper.
Coat movable primary a n d secondary disconnects with
a light fi l m of Si emens contact l u bricant, 1 5- 1 7 1 -370-002 .
A
DANGER
HAZARDO U S V O LTAG E S ASSO C I AT E D
W I TH THE APPLICATION OF THIS BREAKER
W I LL CAUSE DEATH, PERSONAL I NJURY,
AND PROPERTY DAMAG E.
Before proceeding with the initial c i rcuit
b reaker i nsertion and racking to the bus, be
certain the bus is de-energized.
Page 4
1"-J'f-Hl,lCK
If C.:.O
1Hl CIH il
CLJ
!lH(
CHAN(-;[ POSITION AKEH
L'l
(l\' V INC; NOr-Hv1AL UPFF1ATINC
IJll H'ICKE[l
llHIVE NLIT Y
1'-, f
'-'119' m:n t
/\Kf H IN CLJBICL
1 l�
f'llJN(-;[n
'-,THIKf ;1,
POSITION
OR
POSITION
FROM
THE'
PROCEED A'- i f-OlLOW�,
LUCK
BOLT WIHHJHAWN
1',
NOVv
1 8-81 0-099-001