Repair Procedure for Roof Leakage in LHB AC coaches.
ANNEXURE - 1
Procedure for FRP trough Roof Leakage in LHB AC coaches-testing & repair
1) Drain outlet of FRP trough to be cleaned from (outside) end wall side to clear any blockage due to dry leaves, dirt, garbage and sediments.
2) Visual inspection of RMPU bellows of return air & conditioned air, RMPU bellow gaskets, tightness of bolts, if any defects observed it has to be attended. If the duct bellows are found to be damaged, replace the damaged duct bellows.
