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  
 
 

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  
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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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