TTPS Operation Circle MPM-II Unit-IV V Reconditioning of the worn out journal head assembly released from Unit-IV V HP 803 Mills and assembling with pillow blocks

Charges for reconditioning of the journal head. The work involves (a to h) a) Cleaning the entire surface of the head, opening the lub oil inspection door, cleaning the lub oil passage, flushing with diesel, cleaning the seal air passage and flushing with diesel and dismantling all the parts separately. b) Removing the trunnion shaft after dismantling the fixing studs, tapping the thread holes. c) Taking under cut on the eroded locations of the head. d) Pre-heating and welding the under-cut portion to required depth. e) Grinding and finishing the welded surface. f) Assembling the lub oil door. g) Assembling the shaft and fixing stud. h) Checking the tightness of shaft with head assembly.

Charges for assembling the pillow block sets with journal shaft. The work involves (a to d) a) Transportation of new/ old pillow blocks, end caps, Bushing from store to work site. b) Assembling the pillow blocks sets at both the free end and thrust end of the trunnion shaft. c) Checking the tilting operation of the head and adjustment of end cap. d) Tightening of all bolt and nuts.

Charges for hard facing the journal head as a chequered pattern, applying grease on the threaded holes, plugging the holes with suitable dummies and painting the complete assembly with one coat of red oxide paint and devolution of scrap material to stores / TTPS.

DURAI ENGINEERING WORKS