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GEF-4450 

INSTRUCTIONS 

-

Field  Replacement 

CONTACT  ARMS,  ARC  CHUTES,  LINE  and  LOAD  STRAPS,  HANDLE  ASSEMBLY 

Type  52500 Molded Case Circuit  Breaker 

Part Name 

CONTACT  ARM  ASSEMBLY- All  Poles 

ARC  CHUTE  ASSEMBlY- All  Poles 

LINE  STRAP  ASSEMBlY - All  Poles 

LOAD  STRAP  ASSEMBlY - All  Poles 

HANDLE 

GASKET,  Handle 

PLATE,  Handle  Fastening 

SCREW,  Handle  Fastening 

CONTACT  ARM 

ASSEMBLY 

Cat. No. 

5678161 

5678163 

794A641 

794A690 

456C143 

794A723 

794A668 

N646P16008C 

ARC  CHUTE 

ASSEMBLY 

C

A

UT

I

ON 

When  installing  replacement  parts,  the  breaker 
must  be  completely  deenergized  and  disconnected 
from the  electrical  circuit. 

TOOLS  REQUIRED 
9/16" 

Box End  or  Socket Wrench 

3/8" 

Box End or Socket Wrench 

4/16" 

Hex Wrench 

5/16" 

Hex Wrench 

8" 

Adjustable  Wrench 

Screwdriver,  large, square  shank 
Screwdriver,  medium 
Tru-Arc  Retaining  Ring  Pliers 

2" 

or 

3" 

C-Clamp 

LOAD  STRAP 

ASSEMBLY 

HANDLE 

ASSEMBLY 

LINE  STRAP 

ASSEMBLY 

These instructions do not 

purport  to 

cover  all  details or variations in  equipment nor  to  provide for  every possible contingency to be  met  in 

connection with installation,  operation or maintenance. Should further information be  desired or  should particular problems arise  which are 

not  covered sufficiently  for  the 

purchaser's 

purposes,  the matter should be referred to  the  General  Electric Company. 

GENERAL 

fj 

ELECTRIC 

CIRCUIT  PROTECTIVE  DEVICES  DEPT. 

• 

PLAINVILLE,  CONN.  06062 

www . ElectricalPartManuals 

. com 

www 

. ElectricalPartManuals 

. com 

Содержание S2500

Страница 1: ...ket Wrench 3 8 Box End or Socket Wrench 4 16 Hex Wrench 5 16 Hex Wrench 8 Adjustable Wrench Screwdriver large square shank Screwdriver medium Tru Arc Retaining Ring Pliers 2 or 3 C Clamp LOAD STRAP ASSEMBLY HANDLE ASSEMBLY LINE STRAP ASSEMBLY These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with ...

Страница 2: ...x Nuts C lockwashers and clamp plates Contact arms may now be removed HEX NUTS 2 FOR CROSSBAR Figure 1 REPLACING CONTACT ARM ASSEMBLIES 10 Replace new contact arm assemblies by revers ing procedure Before tightening connections A B or C be sure arcing horn is centered in arc chute Tighten Hex Nuts C to 50 in lbs When replacing Round Head Screws B make cer tain threaded plates in back of breaker ar...

Страница 3: ...s securely Figure 3 REPLACING LOAD STRAP ASSEMBLY All Poles REMOVE BREAKER COVER Steps 1 to 3 REMOVE TRIP UNIT Steps 4 6 22 Remove 4 Flat Head Screws B Figure 3 _ from each pole strap 23 Lift out load strap and replace Tighten screws securely REPLACING HANDLE ASSEMBLY REMOVE BREAKER COVER Steps 1 to 3 24 Remove the 3 flat head socket screws holding the retaining plate to the handle 25 Remove plate...

Страница 4: ...GENERAL fj ELECTRIC CIRCUIT PROTECTIVE DEVICES DEPT PLAINVILLE CONN 06062 w w w E l e c t r i c a l P a r t M a n u a l s c o m w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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