Complete repairing and overhauling of 154 HP,550V,712 RPM Jhon Tinsley make Surface Haulage at Sankalp khani of Bankola colliery.

Item Description/ Heading

Arrangement of dismantling the drum pinion through proper support with the help of chain pulley block,brake system and wooden props,

Dismantling 2nos keys and opening the bolt and nuts for dis assembling 2 halves of the pinion.

1" Halves & 2" Halves of the pinion taken out from wending drum.

Dismantling the main block of the drum shaft and taken out brass bush bearing with proper support arrangement

Carrying and shifting the pinion (2halves) inside the winding room for repairing

Drum shaft with pinion fold) opening the hydraulic jack

Drum pinion re assembling the 2 nos halves from haulage winding engine room outside for repairing special arrangement by iron structure for welding of the worn out portion of the pinion.

2nd motion block rebuilding

Welding the bore of the drum pinion by special welding rod (L&T) make from 2244mm

Drum pinion welding portion machining by bspecia;l arrangement site with the boring machine as per original profile.

pinion keyway making 2 nos by welding & grinding

New keyway making by EN-19 materials

After matching the pinion again dismantle from the structure & making 2 nos halves for carrying inside if winder room

Carring and shifting to pinion 2 nos halves to inside of the winding room

Placing the pinion halves in the winder drum by proper arrangement of support and safety

Worn out of the drum shaft welding by special welding rod and grinding for original size the shaft

setting and fitting the pinion in the shaft and fitted worn out and 2 nos of key with the shaft

pinion fitting pressing by hydraulic įack

Assembling the main drum shaft and fitted worn out and 2 nos of key with the shaft.

Finally setting the related components and adjust accordingly

Drum check dog clutch place-10 nos plongated hole nėw socket making pushing as per size require for proper size 10 nos.

socket fitting by welding both side by Cl rode & grinding finishing

Dog flange 10 nos socket hole oversize making with actual hole center.

Dog hex pole bore rebuilding as per shaft size &marching

Brass screw 1/2" x 2"

Shaft group lock clamp new making and fitting socket type 2 hubs

Drum collar place plate

block stud new making 3/4" x 51/2" long -8 nos

Oxygen Cylinder

Different size nut bolt washer

Dismentling of completev break both side

complete cleaning of brake

Dismentling of break plate with Glazing welding Rod both side

Making of new high carbon bush material & heat treated

Pin with material forged heat treatment and machining

Making of completete brake shoe for 2pair

Fitting charge for CSK copper rivet for brake shoe

Charger for grinding finishing & alignment etc.

Bed plate cracked portion grinding for preparation of repairing

Damage portion of bedplate gruging by electrode 21.03 ESAB make

Cost of Electrode for badse layer welding std make 27

Cost of Electrode for final laying welding by

Cost of steel Electrode for plate welding ESAB make durochrome 4mm

Industrial DA

Oxygen Cylinder

Transportation

Total impact of GST for the purpose of CTC

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