repairing of ( i ) front idler assembly 02 nos. ( ii ) track link assembly 001m100000079 rh side ( iii ) radiator ( iv ) temp switch twin entry ( v ) recoil assembly – 02 nos. and master pin new making 04 nos. of sdl-691 at 4, 5 & 6 incline under dhori ( k ) colliery. -1.01 front idler assembly ( 627m00000136 ) - 02 nos ( enter zero for this row ) 1.02 track chain idler assy. dismantling, full overhauling and repairing and assembling. 1.03 idler bracket sealing collarworn-out portion welding and machining as per roller size as required both side. 1.04 idler shaft repairing by both side bearing seat and its color worn-out seal repairing by welding and machining. 1.05 bearing cover damaged and worn-out seat repairing by welding metal filling and machining as per bearing seat and dust seal. 1.06 broken and seized removing by drilling from idler color. 1.07 new thread making in idler color. 1.08 h.t. bolt 22mm x 40mm. 1.09 bearing 04t-623 / 612 providing and fitting. 1.1 idler seal repairing kit providing and fixing. 1.11 track link assembly 001m100000079 rh side 1.12 making of track pin ( 1027a060000009 ) 1.13 cutting of old pin and bush and fitting of new pin and bush. 1.14 radiator ( enter zero for this row ) 1.15 repairing of radiator of sdl machine – 691 dhori ( k ) incline no. 4, 5 & 6 u / g of dhori ( k ) colliery. 1.16 temp switch twin entry ( enter zero for this row ) 1.17 dismantling and assembling of thermostat ( 625c040000102 ) 1.18 terminal box, twin entry m / c ( eec0013286 ) 1.19 enclosure ( machining ) ( eec0003896 ) 1.2 making of new drive screw ( t 1006 ) 1.21 cable gland s.c., f.s.c.-25-plc-2 ( 625a040000177 ) 1.22 2 pin moulded terminal replacement ( eea0003900 ) 1.23 cover ( machining ) ( eeb0003897 ) 1.24 stud replacement ( eea0003903 ) 1.25 hex socket head cap screw new fitting ( 370-2171 ) 1.26 hex head bolt fitting ( 370-0306 ) 1.27 recoil assembly – 02 nos. and master pin new making 04 nos. ( enter zero for this row ) 1.28 recoil shaft new making 1.5” od x 16.5” long with nut fitting and supporting plate fitting welding with shaft 04 nos. plate fitting 11” long x 1.5” wide completely welding. 1.29 broken recoil spring, welding with l.h. electrodes 1.3 complete assy. dismantling, repairing and reassembling with hydraulic press 1.31 track chain joint new master pin making as per size 45mm x 240mm