MTPS I TM Unit III and Unit IV Preventive Breakdown maintenance works and Repairing works of Air Compressors Make KG Khosla Model No 2HA2QT and Air Dryers Make TRIDENT IR on as and when required basis for a period of one year for the year

Amount

Charges for Opening, Servicing & reassembling in Position of 1st Stages Suction Valve & Discharge valve of Instrument and Service air Compressors

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

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 inthe compressor completely

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 oilspillage in the compressor completely.

Dismantling /Cleaning & Inspection of the pre filter, After filter, Inlet & outlet valves, sensors & relay system, condenser, accumulator & servicing of auto drain valve etc.,

Inspection & testing of sensors, Limit switches & other relay systems, condenser, Compressor, accumulator and other related works.

Assembling the of pre filter, After filter, Inlet & outlet valves, sensors, Limit switches & other relay systems, condenser, Compressor, accumulator and other related works. Replacement of the damaged Temperature probe sensors with new one. Renewal of damaged Insulation of copper tubes with new one, filling the refrigerant gas, replacement of gaskets of inlet & outlet valves and successful Commissioning

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.

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.

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 thecompressor completely.

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.

charges for Consumables and T&P’s item Sl.No.1to11

TAM AND CO