Interrupter/Operator-Maintenance; General; Inspection Check List; Hand Tools Recommended - Siemens 5-FSV-350 Installation Operation & Maintenance

Interrupter/Operator
Maintenance

General

Thoroug h , per1odic 1 n s pection is Im portant to satisfactory op­
eration I n spection and mai ntenance frequency d e pends on
i n stallation. site. weather and atmospheric cond 1t1ons. experi­
ence of operating person n e l and spec1al ope ration req u i re­
m e n t s B e c a u s e of t h i s . a w e l l - p l a n n e d a n d e f f e c t i v e
mai ntenance prog ram depends largely on experience and
practice
FA I LU R E TO P R O P E R LY MAI NTA I N T H E E Q U I P M E NT CAN
R E S U LT IN S E V E R E P E RSONAL I NJ U RY A N D P R O D U C T
FA I LU R E . THE I NSTRUCTIONS CONTA I N E D H E R E I N SHOULD
B E C A R E F U L LY R E V I E W E D
LOWE D . T H E FOLLO W I N G M A I N T E N A N C E P R OC E D U R ES
S H O U L D BE P E R FO R M E D R E G U LA R LY
• Gen eral visual i n spection of de-energ ized c i rc u i t breaker.
• Keep mechan1sm clean and adeq u ately l u b ricate d .
• Keep I n s u l ation mater1 a l s d ry and c l e a n .
• K e e p conn ectors 1 n place and p roperly adju sted
• Repair o r replace any items funct1on1ng i m properly.
• C h eck circu1t breaker for smooth and correct operation be-
fore ret u r n i n g to service .
Once a year. a g e n e ral v i s u a l i n s pection should be p e rformed
on de-energ i zed breakers. and if necessary the exposed i n ­
su lati ng parts w i p e d w i t h a rag .
Where the appl ication i m poses d u sty or oth e r severe ambient
condition and/or frequent switc h i ng operat1ons the following
i n s pection checks shou l d be more freq uently applied than for
normal mai ntenance.
T H E S E I N STR U C T I O N S DO N OT R E P R E S E N T AN EXHAUS­
TIVE S U RVEY O F MAI N T E N A N C E STEPS N E C ESSARY TO
E N S U R E SAFE O P E RAT I O N S OF T H E E Q U I P M E NT PART I C ­
U L A R A P P L I C AT I O N S M AY R E Q U I R E F U R T H E R P R O C E ­
D U R E S . S H O U LD F U RT H E R I N FOR MAT I O N B E D E S I R E D O R
S H O U L D PA RT I C U LAR P R O B L E M S A R I S E W H I C H A R E NOT
C OV E R E D S U F F I C I E NTLY FOR THE P U R C HASE R ' S P U R ­
POSES. THE MATTER S H O U L D B E R E FE R R E D T O T H E LO­
CAL S I E M E N S O FF I C E .
T H E U S E OF U N AUTH O R I Z E D PA RTS I N T H E R E PA I R OF T H E
E Q U I P M E NT OR TA M P E R I N G B Y U N Q UA L I F I E D PERSON­
NEL. W I L L R E S U LT IN DA N G E R O U S C O N D I T I O N S WH I C H
CAN CAUSE S E V E R E P E RSONAL I NJ U RY OR E Q U I PM E NT
DA M A G E . F O L L O W ALL S A F E TY I N STR U C T I O N S C O N ­
TA I N E D H E R E I N .
U N D E R S T O O D A N D F O L ­
A
Hazardous voltages and h i g h speed me­
chanical parts can cause death or severe
personal i n j u ry and property damag e .
Read i nstruction m a n u a l , observe safety i n ­
structions a n d l i m i t u s e t o q ualified person nel .

Inspection Check List

1 . Check vac u u m , p roced u re follows.
2 . Check contact erosion , proced u re follows.
3. C lean circuit b reaker, especially post i n s u l ators and i n s u ­
l a t i n g couplers.
4 . Lubricate a l l beari n g s and s l i d i ng s u rfaces, p roced u re and
mate ri a l s follow.
5. Check a l l terminal sc rews .
6. Check all sc rew connections and locking devices on
mechanism parts.
7 . Check all control cables and connections.
8 . Perform f u nctional test of c i rc u it breaker.

Hand Tools Recommended

The MSV and FSV b reakers e m p loy both E n g l ish and Metric
fasteners . Metric fasteners are confined to t h e c i rc u i t b reaker
subassembly. The s u p porting d raw-out ve h i c l e uses E n g l ish
sizes. The fol l owing tool l i st has been prepare d primarily to
identify the tool req u i rements.
General
• Screw Drivers, 0 . 032 x 1/4 and 0 . 055 x 7/ 1 6
• Pliers
• Light Hammer
• Drift Pin, 1 /8 , 3/1 6 , 1 /4
• Retai n i ng R i ng P l i e r ; E xternal Type Ti p Diameter 0 040"
• I n spection M i rror
• Flashlight

Metric

• 7mm, 8mm, 9.5mm, 10mm, 1 1 . 0mm, 1 3 m m , 1 7mm, 1 9m m , 24mm
Socket and O pe n " E n d Wrench
• 2mm, 5mm, 6mm, 8mm, 1 0m m Hex Key
• Torque Wre n c h , 0 - 1 50Nm (0- 1 00 lb ft)

English

• 3/ 1 6" , 1 /4 Hex Key
• 5/1 6", 3/8", 7/ 1 6" , 1 /2" , 9/ 1 6" , 3/4" , 7/8" Socket and Open E n d
Wrench
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WARNING