supply of balance weight kit (scheme-ii rotor for three phase traction motor type 6fra-6068) spen. no. 4tms.096.083 rev-1 drg. no. 4twd.096.173 alt-2 str. no. clw/tm/18219 rev. 1 c & d no. 5720/209 category book ( 6fra-6068 ) page 10 of 12 , sl-77balance weight kit (scheme-ii rotor for three phase traction motor type 6fra-6068) spen. no. 4tms.096.083 rev-1 drg. no. 4twd.096.173 alt-2 str. no. clw/tm/18219 rev. 1 c & d no. 5720/209 category book ( 6fra-6068 ) page 10 of 12 , sl-77,balance weight kit (scheme-ii rotor for three phase traction motor type 6fra-6068) specn. no. 4tms.096.083 rev-1 drg.no. 4twd.096.173 alt-2, str. no. clw/tm/18219 re v. 1 [ warranty period: 30 months after the date of delivery ]