ACB Service and Main Mechanism Replacement
Break Down Posted On: March 10, 2025 Closing On: March 12, 2025
ACB Service and Main Mechanism Replacement Make: L & T; Model: U-25S; Rating: 2500A, 3P, 65KA.
▪ Visual Inspection of ACB for any physical damages. Checking presence and proper tightening of hardware.
▪ Replacement of ACB should be provided (2500A TP and 1600A TP) of similar model and rating to reduce power down time. These ACB can take back after completion of maintenance job.
Replacement of ACB main operating mechanism with new one - LV panel 2
▪ Inspect the Extinguishing Chamber for damage and clean the required part.
▪ Inspect all the contact for wear and tear.
▪ Inspect and clear Arc chute and joints.
▪ Removal of old grease and re-greasing the same with recommended grease
▪ Clean and Grease movable isolation contacts
▪ Checking the reset mechanism, tripping of breaker through push button
▪ Tripping of ACB manually through volumetric release.
▪ Checking tripping of ACB through protection release (through secondary injection Kit).
▪ Inspect the ACB Operating Mechanism for damage and Operational Checking of for Spring Charge motor
▪ Check Mechanical and Electrical interlocking System.
▪ Checking condition and alignment of jaw contact with cradle terminals
▪ Checking condition of ACB wiring and replace if required
▪ Checking proper closing of all poles together
▪ Checking working of anti-pumping device in case of EDO ACB
▪ Checking alignment of SIC and it’s operation
▪ Checking scrapping earth alignment
▪ Checking condition of arc chutes
▪ Checking U/V release pick up and drop off
▪ Setting of release as per the load
▪ Checking the healthiness of CTs.
▪ Control wiring - checking for slack in terminal connection.
▪ Submission of Service & Test reports of each ACB.
No Subcontracting: In accordance to Jointly Owned Property Law No.6,2019, Notwithstanding anything in this Agreement, the vendor/contractor may not use any subcontractor to perform any of his obligations under this work order. Unless:
(a) Vendor has obtained the prior written consent of SAGA to the use of the subcontractor, and
(b) Vendor has entered into a separate written agreement with the subcontractor which requires the subcontractor to agree to and abide by all the terms and conditions of this Agreement.
The Community shall be deemed to be a third-party beneficiary of any such agreement between the vendor and a permitted subcontractor.
Notwithstanding the foregoing, the vendor shall not be relieved of any of its duties or obligations under this Agreement as a result of entering into a written agreement with a permitted subcontractor.
