Attending RM and BM

Amount

Attending any of the following routine maintenance works and minor repair works in Turbine vacuum pumps and its auxiliaries such as applying grease for vacuum pump driven end and non driven end bearings, renewal of damaged flange gaskets connected with vacuum pumps, arresting of minor water leakage from vacuum pump casing, regular inspection of vacuum pumps driven end & non driven end mechanical seal, fasteners and tightening the same, dismantling and reassembling of isolation solenoid valves, draining of accumulated water from the pump beds, attending minor works in sealing water recirculation system in shift system.

Vacuum Pump Recirculation motor decoupling & new motor alignment and coupling work including mechanical seal replacement work

Decoupling and dismantling of vacuum pump from the bed

Dismantling and assembling of Bearings, Mechanical Seals and Casings of vacuum Pump

Dismantling and assembling of Ist stage and II nd stage Impeller of vacuum Pump

Charges for rectification of Ist Stage Impeller blades by SS welding (approx 80 mm = 1 joint) includes cutting the worn out area edge preparations, Grinding, positioning and welding

Conducting Dye Penetrant Test on Vacuum Pump Ist Stage Impeller and its Casing

Conducting Dye Penetrant Test on Vacuum Pump II nd Stage Impeller and its Casing

Balancing the Rotating assembly of Vacuum pump (this work involves Loading and Unloading of pump rotating parts from site to workshop site, balancing of Ist stage & II nd stage impeller and shaft of Vacuum Pump and back to site.

Transporting and Erection of vacuum pump in the bed

Coupling and Alignment of Vacuum Pump

Charges for Reconditioning of Mechanical seal of SHR21850 model Edwards make vacuum pump of shaft dia 150mm by fabrication & machining of new carbon face of mechanical seal.

M.ANBAZHAGAN (BID ID -1167443)