Preventive routine / Breakdown maintenance and annual Overhauling work of Air Compressors and purgehet Air Dryer adsorber plant of ATPS, Anpara

Amount

i)General maintenance & preventive checking, minor repair/adjustments, oil toping, nut & bolt tightening, oil cleaning etc., as per scope of work, for all PAC, IAC & dryers(daily). ii)Round the clock work of changeover and flushing etc. of purgehet air dryer of instrument air compressor including all switching/controlling work of valves etc. to keep the dryer in working order with the main plant. (daily)

Complete overhauling & trial run of Plant Air Compressor, as per scope of work.

Complete overhauling & trial run of Instrument Air Compressor, as per scope of work.

Complete overhauling of trial run of purgehet Air Dryer, as per scope of work.

Replacement /repair of piston rod or blocking nut of HP/LP cylinder, dismantling, setting right and reassemble.

Checking & attending the intercooler/after cooler thorough cleaning & remounting, replacement of parts etc.

Gudgeon pin & small end bush assembly. Opening for checking, rectification & replacement, if required.

Changing of sealing ring/piston ring of HP/LP cylinder.

Changing of bearing ring of HP/LP cylinder or changing of piston half/complete piston of HP/LP cylinder.

Replacement of distance piece /cross head / cross- head guide.

Opening, cleaning, repair / Replacement of parts of suction/ delivery valve of HP/LP cylinder.

Attending the leakage of air/oil line including changing of gasket etc. by welding etc., if required.

Attending & checking of oil cooler including replacement of damaged /worn-out parts ,if required.

Oil filter cleaning & attending of primary/ secondary lub oil filter.

Checking, attending & cleaning with non-corrosive scale remover, of water jacket of HP/LP cylinder.

Opening & resetting /replacement of oil scrapper ring/oil flinger etc of HP/LP cylinder.

Attending and resetting of main bearing including repair/replacement of parts, bearing etc. Also attending blockade in lub oil pump.

Opening, attending defects in plumber block, greasing etc.

Opening, checking of the end cover for defects, changing of gaskets bolts etc. Also replacements of end cover, if required.

Replacement of gland packing ring.

Checking/replacement of intermediate plate of HP/LP cylinder.

Changing, remounting& rectification of ‘V’ belt set of compressors and wheel alignment with motor.

Removal of pulley from main shaft and its remounting in proper position.

Complete opening of mechanical lubricator, finding defects and setting right, cleaning and refitting after servicing.

Servicing of safety valve, replacement of worn out/damaged parts.

Opening and attending lub oil pump assembly including cleaning, resetting and replacement of worn out/damaged parts.

Servicing of moisture trap, repair for any defect, felt element cleaning/changing.

Attending big end bearing/ connecting rod /crank shaft for any defects or replacement of broken parts, if any.

Attending of water/air line valve for leakage etc including greasing the valve, replacement of damaged parts.

Attending of main header valve /NRV including replacement of gasket, repair etc.

Cleaning of element of Primary /secondary filter of inter connection system. This also includes replacement of damaged parts, if required.

Cleaning of air compressors, air dryer, associated pipe line and valves, EOT crane in the compressor house and site office cum store.

Fabrication & replacement of damaged heater housing of air dryer absorber by cutting ,welding etc.

Fabrication & replacement/repair of Bottom air strainer of air dryer absorber.

Fabrication & replacement/repair of Top air strainer of air dryer absorber.

Dismantling & attending fault, cleaning, servicing and replacement of worn out parts, ceiling ring, ‘O’ ring etc of slide valve/ de-compressor valve/ non- return valve of air dryer

Replacement of desiccant in dryer ( both adsorber)

Attending primary /secondary filter of air dryer by opening and refitting, cleaning of filter element etc.

M/S JISHA ENGINEERING CONSTRUCTION

M/S SHYAM ERECTORS