PRECISION SERVICE CENTRE
Air Circuit Breakers, Air Circuit Breakers Servicing,  Air Circuit Breakers Maintaince, Relese Testing, Mumbai, India
  All types of AIR CIRCUIT BREAKER - Overhauling, servicing, Testing with Primary injection test, & Release test  
  All types of ENERGY METER, LOAD MANAGER, C.T. & P.T. - Testing, servicing & certification at site as per IS standards  
  Our Certificate valid for ISO & PWD  
  All types of RELAY - Testing, servicing & certification at site  
  VCB, TRANSFORMER - Testing, servicing and oil filtration.  
  Thermography Testing  

SHRIHARI ELECTRIC CORPORATION
[ Established in the year - 1995 ]

MAHARASHTRA Govt. Approved Fire Auditor.

“ We are in Fire Fighting Systems Supply, Installation &
Maintenance a Complete Fire Fighting Solutions ”

“ License to ac as Licensed Agency for the purpose of
Fire Preventive and Life Safety Measures ”

 
 

SCOPE OF WORK OF ACB SERVICING AND MAINTAINCE.

  Air Circuit Breakers
 
  • Cleaning of breaker with CRC-226
  • Removal of old grease and re-greasing the same with recommended grease.
  • Check condition of arcing contact and gap between fixed and moving arcing contacts shall be checked.
  • Checking the reset mechanism, tripping of breaker through push button
  • Checking tripping of ACB through protection release
  • Tripping of ACB manually through volt metric release.
  • Checking and adjust freeness of DN and volt metric release trip rod
  • Checking presence and proper tightening of hardware.
  • Checking presence of all circlips
  • Checking condition and alignment of jaw contact with cradle terminals
  • Checking condition of ACB wiring and replace if required
  • Checking and adjusting gap between hylam sheet and side plate
  • Checking proper closing of all poles together
  • Checking working of anti pumping device in case of EDO ACB
  • Checking alignment of SIC and itís operation
  • Checking scrapping earth alignment
  • Checking condition of arc chutes
  • Checking U/V release pick up and drop off
  • Checking ACB tripping through shunt release
  • Checking motor operation in case of EDO ACB
  • Checking closing coil operation in case of EDO ACB
  • Checking continuity and proper changeover of aux contact block
  • Checking of release by secondary injection for O/L, S/C, E/F
  • Setting of release as per the load
  • Checking the healthiness of CTs
  • The spare parts, accessories would have to be provided by the customer.
   
 
AIR CIRCUIT BREAKER SITE TESTING AIR CIRCUIT BREAKER SITE TESTING
ACB Servicing Relese Testing
ACB Servicing Relese Testing
ACB PRECISION SERVICE CENTRE
ACB  
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  Air Circuit Breaker Service Report
   
 
 
Name of Client :   Report No. :-  
Feeder :   Location :-  
 
1. ACB Details :-
 
Make :   Type :   SrNo :  
Closing coil :   Shunt Coil :   U/V Coil :  
Motor :   Release :   CT Tap :  
 
2. INSPECTION :-
 
ON/OFF Operation :- Electrical:-
Condition of SIC (Fixed) :- Electrical:-
Condition of jaw contact :-  
Condition of Cradle Terminal :- Electrical :-
Condition of earthing terminal :-
Arcing contact gap:-
Condition of arc chute :-
Dusty housing :- Broken housing :- Dirty D-ion Plate :-
Rough anti arc insulating contacts : Clean :-
Aux. Contact Operation :-
CT Condition :-
ACB wiring :-
 
3. GREASING SCHEDULE :-
 
A) Lithon-2 Grease ( Pole Assembly Only )
a. All Pins :- b. Pole Latch Spring Retainer :-
c. Stainless Steel Profile :- d. Slotted Guide :-
e. Pole Latch Nylon Rollers :-  
B) Molygrease
a. All Pins :- b. Roller Assembly :-
c. plate :- d. Crank :-
 
4. Other
 
A. Recommended Spares For Replacement:-
B. Remark :-
Date of Test :- Clientís Rep :- Service By :
 
   
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