MTPS I CHP I Preventive maintenance of Conveyor 7B Replacement of the old gearbox with available overhauled spare gear box KCN 500

Amount

Charges for transporting overhauled gear box KCN 500, Ratio 35.5:1 from CS/MTPS-I to PCR ground floor and leading lifting and lowering the gear box from “0” mtr to 25 mtr height at conveyor 7A / 7B head end.

Replacement of KCN 400 / 450 / 500 / SBN 400 /SCN315 gear box. Charges for decoupling KCN 500, Ratio 35.5:1 gear box from head pulley slow speed coupling, removing RMT 25000 flexible element, and releasing brake assembly from bed. Draining oil from gear box, removing gear box bed bolt, removing the cooling fan cover from input shaft, leading and lifting the gear box from the bed.

Charges for arranging supporting plates of fixture to the required position. Providing 50 Tone hydraulic jack on the fixture and tighten its bolt and nuts, heating the slow speed coupling fitted with the output gear shaft assembly by using 3 nos. gas cutting torch and removing the coupling from the damaged gear box out put shaft. Remove the fixture plate, hydraulic jack and coupling from the fixture etc.

Charges for measuring and preparing output shaft, transporting of waste oil about 1 barrel available at site heating the released slow speed coupling in oil bath by fire wood to the required temperature, lifting, positioning and shrink fitting the coupling with spare gear box shaft. After cooling of waste oil stored in drums and kept inside the site.

Charges for arranging supporting plates of fixture to the required position providing 50 Tone hydraulic jack on the fixture and tighten its bolt and nuts heating the brake drum fitted with the input gear shaft assembly by using 3 nos. gas cutting torch & hydraulic jack removing the brake drum from the damaged gear box input shaft. Remove the fixture plate, hydraulic jack and brake drum from the fixture.

Charges for removing brake shoe 2 nos. from brake assembly, removing worn out liner from the shoe, marking, cutting and drilling new liner. Fixing & riveting the new liner with shoe assembly and lead the existing brake drum to ground floor, taking it to the MTPS site workshop and machining the outer dia of drum for uniform surface in order to removal of scorings if necessary. Assemble the shoe with the brake drum assembly.

Charges for measuring and preparing input shaft, transporting of waste oil about 1 barrel available at site heating the released brake drum in oil bath by fire wood to the required temperature lifting, positioning and shrink fit the brake drum with the spare gear box input shaft. After cooling the waste oil store in drums and keep inside the site. Assembling shoe with the break drum assembly, slow speed coupling on output shaft etc.

Charges for arranging the chain block, leading, lifting the spare gear box after assembling the slow speed coupling on output shaft and brake drum on input shaft of the spare gear box and positioning the overhauled gear box on the bed alignment checking the gear box by using dial gauge, feeler gauge and if required shims added and filling SP 320 oil to the required level.

Overhauling/Repairing of the released gearbox to be kept as spares.Charges for inspection and draining the contaminated oil from defective gear box, opening the top cover with breather, level indicator of the KCN 500 gear box by removing the bolt & nuts, dismantling the internal gears, spiral level input pinion and oil seal etc. from the gear with required T&P’s and consumables.

Charges for cleaning the (spiral bevel input pinion, spiral bevel wheel and it is bearing & oil seals) dismantling the input assembly, removing the input bearing by using special type of puller inspecting the spiral bevel input pinion, spiral bevel wheel input bearing and oil seal, replacing if required with required T&P’s and consumable.

Charges for cleaning the 1st intermediate pinion, 2nd intermediate wheel, 2nd intermediate pinion inspecting the 1st intermediate pinion, 2nd intermediate wheel, 2nd intermediate pinion. Replacing if required with required T&P’s and consumable.

Charges for dismantling of output shaft, output wheel and its bearings & oil seal by using special type of puller and inspecting output shaft, output wheel and its bearings & oil seal Replacing if required with T&P’s and consumable.

Charges for assembling spiral bevel input pinion & wheel,1st & 2nd intermediate shaft & wheel and output shaft & wheel in the KCN 500 gear box casing with required T&P’s and consumables.

Charges for Setting the gear back lash, fixing the top cover of the KCN 500 gear box after applying the anabond, tightening the bolt & nuts with proper gasket, filling gearbox oil upto the required level.

Charges for replacing the defective for oil leakage fluid coupling in conveyor – 7B with a reconditioning spare fluid coupling. After replaced fluid coupling complete alignment checking with motor and gear box.

Charges for Overhauling the fluid coupling for dismantling the fluid coupling internals, removal of bearing oil seal, impeller, etc. inspection and cleaning the internals, if required replacing the internals new one.

Charges for assembling the fluid coupling, removal of bearing (new/old impeller), internals fixing bolts & nuts with Anabond 666 packing.

Charges for cutting gas for Sl.No.5.

Supply Input/output oil seal 10 & 12.

Supply for anabond 666 for Sl.No.14

Charges for T&P’s & other consumables for Sl.No.1 to 17.

NELLAI ENTERPRISES