Service Provided to M/T Zhen Zhu Wan 2011.

Mechanical Work.
M/T Zhen Zhu Wan
Description
Main engine maker：WARTSILA power：4000 KW rpm：750 r/min.
M-101 M/E crankshaft deflection were measured before & after repair, Recorded in copies submitted to ship.
M-102 NO.3 and NO.9 main bearings were removed, were reinstalled the same bearings as per ship representative decision. Journals was inspected and cleaned, Bearings were Refitted in Presence of C/E and surveyor.
"M-103 TPL69-A30 ABB Turbo.Systems Ltc.
M/E turbocharger. Type： TPL69-A30 . Maker：ABB Turbo.Systems Ltc.
Cartridge Was removed , cleaned, examined, clearance and measured were taken, Nozzle and cover ring were ash blasting and mechanically cleaned, spares were supplied by ship. Turbocharger's Cartridge and compounds were refitted back."
"M-201 EGH700V40 ，1.15 Mpa
Vertical economizer, type: EGH700V40,
designed pressure 1.0Mpa, access door were opened, Exh.gas side was mechanically and water-cleaned, T.O pipe was pressure tested up to 1.15 Mpa for survey, Gasket was renewed and refitted."
"M-202 1.0 Mpa，8 Mpa，
1 sets of T.O safety valve for economizer was removed and sent to valveshop, Cleaned and faced up, Open/ close pressure tested and readjusted to 1.0/0.8 Mpa for survey."
"M-203 TOH1150V50 , 1.0 Mpa，1.15 Mpa .
Vertical Aux.T.O boiler, 2 sets of boilers, type: TOH1150V50, designed pressure 1.0 Mpa.
No.1&No2 burner were pull out and the top covers were lift away , furnace were examined, The soot and carbon residue on the surface of the coils were removed away. Fire resistant material were inspected to see if there were any flakes. any damaged was found, fire sides were mechanically cleaned. T.O pipe were pressure tested up to 1.15 Mpa for survey. Gaskets Of burners seats were renewed when refitted."
M-204 1.0 Mpa，0.8 Mpa， 2 sets of T.O safety valves for Aux.T.O boiler were removed and sent to valveshop, Cleaned and faced up, open, close, pressure tested and readjusted to 1.0/0.8 Mpa for survey.