Service Provided to M/V Acapulco 2011.

M/V Acapulco
Description
MAIN ENGINE: MAN 6L50MC ; Maker: Cegielski
Provided three Technicians for Mechanical Assistances in ship bottom valves maintenance from may.26 to june 01-2011.
"8.08 Turbo Charger Air Cooler Cleaned:
Maker: B&H EXHANGERS LTD FOR CEGIELSKI B&W 6L50MC Hydrostatic tested pressure (for tube side) - 4 bar Hydrostatic test pressure (for air side) - 2 bar Weight: EndCover-317kg Cooler element LKM27D4 - 1033 kg Waterflow reversing chamber - 214 kg
The charge air cooler is of block type and located at the engines starboard side, below the turbo charger. The unit, which is welded up on steel plates, is of considerable weight see above. InServ disconnected the LT Fresh water inlet- and outlet lines and all associated piping, removed the cooler from the present location and transported the unit ashore for chemical cleaning of the airside and hydro test of the fresh waterside.
Upon completion of the cleaning process, the cooler was shown to the Owner's Representative for final inspection. InServ arranged for the charge air cooler to be transported back to the vessel and reinstalled, InServ Supplied new gaskets, seals and replacing some defective bolts and nuts. During the transportation, adequate measures was taken to protect the cooler fíns from any damage."
Charge air cooler additional Repair: during workshop charge air cooler maintenance were found three leaking tubes, all the tubes were tested one by one until found the bursted tubes, these were plugged with bronze plugs.
Auxiliary Boiler: Were Mechanically cleaned the Exhaust gas and water sides.
8.11 Main Engine Exhaust Gas Manifold: Replaced defective Isolating materials aprox. 12m2, Supplied isolating materials and installed.

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.