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| 1 | Charges for Opening, Servicing & reassembling in Position of 1st Stages Suction Valve & Discharge valve of Instrument and Service air Compressors |
| 2 | Charges for replacing / refitting of oil Scrapper ring /Gland / Retainer ring /stuffing box in 1st or 2nd Stages .Opening of outer cover, dismantling of piston rod and piston assembly(Damaged side) & stuffing boxes, replacement of damaged parts of stuffing box / changing the gland / retainerring / oil scrapper ring if necessary. Reassembly of piston and outer cover and checking of control dimensions. Cleaning oil spillage in the compressor completely |
| 3 | Dismantling / Assembling the Inter Cooler or After Cooler bunch then checking for leakage & plugging the leak tubes. Inclusive of Hydro test.Dismantling the Inter cooler / After Cooler after isolation of Cooling water line. Incase tube leakage hydro test of the cooler to identify the defect tubes. Plug the defect tubes. Reassembly of the tube bundle with renewal of ‘o’ ring / gasket. Normalization of the cooling water lines. Cleaning oil spillage in the compressor completely |
| 4 | Charges for Belt alignment & tightening. Changing the new belt.Giving tension to the belt and checking the alignment of pulley of motor and the fly wheel, if any belt in damaged condition, removal of the damaged set of belts, replacement of new belt, alignment and proper tensioning of the belts & Cleaning oil spillage in the compressor completely. |
| 5 | Charges for Cleaning of After Filter & Pre Filter of Drier, Changing the Filter.Opening / fixing of the outer cover of the pre filter & After Filter. Removing the ceramic filter candle out the filter casing, check the ceramic candle if the blockage is less the candle should be cleaned by the petrol or it is found that the blockage is very high the candle should be changed. Cleaning the inner surface of the filter casing, fixing the new / cleaned filter in the position. |
| 6 | Removal of existing activated alumina, cleaning the inside of the absorber tank, refilling the activated alumina.Opening of manhole at top and bottom. Removal of used activated alumina fro tower. Refilling of new activate alumina in ADP Tower and box up. Collect & packing the used activatedalumina, cleaning the area of the air driyer, dispose the activated alumina as per instruction of the site engineer. |
| 7 | Charges for Overhauling / replacement / repairing of Miscellaneous Valves. i.e. safety valves, moisture traps, drain valves, drain valves pressure discharge valves sliding valves, non return valves etc. |
| 8 | Charges for cutting the existing damaged pipe line/ modification of the existing pipe line/ welding the pipe line as per instruction of site Board Engineer. |
| 9 | Attending the oil leakage inside Crank case.Removal of Crank case cover, Checking of the leakage by rotating the priming handle. Replacement of ferrule by flaring and swaging of the copper tube. If the copper tube if found defective , it is to be replaced with new one. Again the leakage is to be checked with priming handle. Renewal of gasket, compressor completely. Checking the oil level and box up. Cleaning oil spillage in the compressor completely. |
| 10 | Charges for Changing damaged Fly wheel with new one in the Air Compressor.Dismantling the defective Flywheel from the crank shaft , taking measurements of crank shaft and new fly wheel, matching the flywheel to suit the crank shaft and Fitting the new Flywheel. |
| 11 | charges for Consumables and T&P’s item Sl.No.1to10 |
