Details: (a) lrcu-70 to be switched on for checking of parameters before repair. (b) lrcu system to be switched off and refrigerant r407c to be released for repair. (c) de-brazing of system fitted hot gas bypass, compressor suction valve, discharge valve & main, bypass expansion valve to be done and removed from system. (d) further brazing of all new valves (hot gas by pass valve, compressor suction valve, discharge valve, main, bypass expansion valve) to be done in the lrcu-70. (e) system flushing to be done with the help of nitrogen. (f) nitrogen pressure testing to be done at 300 psi to check any leakage in the system.
Sector: Defense