Cleaning, checking and replacing / repairing of ht panel, ht/lt ring collector, ht/lt shoe insulator replacement blowering and cleaning of motors and generators including electrical panels of 06 nos. shovels (04 nos. be-195 and 02 nos. 182m marion) a

Safety glass fitting in 02 nos.pandh-1900al shovels (sl. no.- 3and7), 04 nos. be-195 shovels (sl. no.-1, 2, 3and4), 04 nos. 182m marion shovels (bheem, karn, parthandsarthi), 03 nos. hydraulic shovels (ram, laxmanandtata hitachi), 02 nos. wk-20 sho

Cleaning of ht/lv ring collector area, replacement of ht/lv shoe and ht/ lv ring cables checking and layout for a period of one year.

Cleaning of ht/lv ring collector area, replacement of ht/lv shoe and ht/ lv ring cables checking and layout (if required) and general checking and maintenance of dc generators and motors for a period of one year.

Supply of collector ring auxiliary required for marion 182m shovels of jayant project

Wiring from dc panel to lv ring collector, lv ring collector to propel motor and also from lv ring collector to hydraulic motor and repairing of magnetic amplifier unit (crowd), wiring of ac panel (lt and ht) side and dc panel, swing generator to dc

Testing, checking repairing of 11kv ht vcb and panel

Tar felting of 03 nos. draglines and roof sealing and tarfelting of 03 nos. er shovels (02 nos. be-195b and 01 no. pnh-1900al) of khadia project.

Supply of ht ring collector assembly for 24/96 dragline

Supply of ht ring collector assembly for 24/96 dragline