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| 1 | Repair/ overhauling of Firing chambers with breech door mechanism system including adjustment of centre of fire and rate of blow checks for local and remote operation with HATS. | Repair/ overhauling of Firing chambers with breech door mechanism system including adjustment of centre of fire and rate of blow checks for local and remote operation with HATS. |
| 2 | Repair/ overhauling and fitment of Course Gyro Manoeuvring Setting Mechanism along with the data transmission checks of ITTL system with HATS. | Repair/ overhauling and fitment of Course Gyro Manoeuvring Setting Mechanism along with the data transmission checks of ITTL system with HATS. |
| 3 | Repair/ overhauling and fitment of Depth Setting Mechanism along with the data transmission of ITTL system with HATS | Repair/ overhauling and fitment of Depth Setting Mechanism along with the data transmission of ITTL system with HATS |
| 4 | Repair/ overhauling and fitment of Detent Mechanism of ITTL system | Repair/ overhauling and fitment of Detent Mechanism of ITTL system |
| 5 | Repair/ overhauling and fitment of locking mechanism, receivers and gas pipe lines along with leak checks of ITTL system | Repair/ overhauling and fitment of locking mechanism, receivers and gas pipe lines along with leak checks of ITTL system |
| 6 | Repair/ overhauling and fitment/alignment of Tripping Latch of ITTL system | Repair/ overhauling and fitment/alignment of Tripping Latch of ITTL system |
| 7 | Repair/ overhauling and fitment /alignment of Front & Rear doors/covers of ITTL system | Repair/ overhauling and fitment /alignment of Front & Rear doors/covers of ITTL system |
| 8 | Repair/ overhauling and grinding of Tubes calibration with calibre & cross gauge and passing with the balwanka of ITTL system. | Repair/ overhauling and grinding of Tubes calibration with calibre & cross gauge and passing with the balwanka of ITTL system. |
| 9 | Services for repair, overhauling of gear box, central lubrication, break unit- dis mantling, servicing, required greasing & alignment. Replacement of break liners if required. | Services for repair, overhauling of gear box, central lubrication, break unit- dis mantling, servicing, required greasing & alignment. Replacement of break liners if required. |
| 10 | All devices alignment with the balwanka trials for proving of all ITTL tubes (mechanically) post firing. | All devices alignment with the balwanka trials for proving of all ITTL tubes (mechanically) post firing. |