Service Provided to M/V Asian Sun 2010

M/V Asian Sun.

Complete Overhaul Done on Main Engine MAN B&W 7L58/64. M/V Asian Sun
Description

Taken Crankshaft Deflection: a main engine crankshaft deflection was taken while the vessel is afloat prior to dry-docking. A second set of deflections was taken at the end of the repair period with the vessel afloat. Exclude open/reclose of crankcase doors. Cleaning - if needed - not included. Reading afloat with vessel alongside shipyard's berth. All readings were recorded and submitted to the attending Owner’s superintendent.

11.2. Main Engine Charge Air Cooler: Was done by: InServ
Was renewal the air cooler element using owners supplied spare. Pressure test was carried out and refitted back to engine.

11.3. Main Engine Overhaul: Was done by: InServ. Supervised by: Owners Contractors. The Main Engine was overhauled due running hours basis under the supervision of Manufacturers representative. All spare parts were owners supply.
a) Were remove rocker arm covers, rocker arms, cylinder heads and pistons. Cylinder heads were cleaned and overhauled according to manufacturer’s instructions, including all valves being overhauled and seats being lapped in as required. Piston skirts were dismantled and cleaned the piston crown were renewal for remanufactured Crowns. Cylinder liners were honed using ships honing machine. All measurements were record and presented to owner’s representative. On completion all parts were reassembled with new spare parts as required and refitted. All clearances were adjusted as per manufactures recommendations.
b) Were withdrawal, cleaning and refitting with new seal rings each cylinder liners. Included cleaning as required of water spaces.
c) Was removed, inspected and refitted one set of connecting rod bearing shells. Based on condition of bearing shells these weren’t renewed rather than refitted.
d) Were loosen, for inspection and refitting of eight (8) set main bearing shells and one set of Thrust bearing. Before the bearings inspection this activities was aborted. Tighten again all main bearing bolts.
e) Cost to remove one fuel pump. Pump to be dismantled and cleaned and spare parts as required, including if required, the pump element. Upon reassembly, pump to be refitted and timing checked. It Job was done by Ship‘s crew.
g) Main Engine Vibration damper inspection. The Main Engine Vibration damper was renewed due running hours basis under the supervision of Manufacturers representative. This job included, pipe removal, pumps, flooring plates, covers and cutting-Welding supports with Ciramar' Staff help.

11.4. Thermal Oil Installation:
Supervised by: Chief Engineer.
The vessel is fitted with one Aalborg Thermal Oil Heater Type V4-0-TFO-010 with capacity 800 KW and one Aalborg Thermal Oil Economizer type EXV 568-41-57.0-600 with capacity 1,000 KW
Ship’s crew will open up both for presentation to Class surveyor.
Two safety valves were transport ashore to certified Calibration center to calibrate. During the testing inspection the valve started to open at 0.3 Bar, The calibration center didn’t adjust the valves because they need to be repaired. The opening pressure of 10 Bar wasn’t reached, because the valve started to open with less pressure.

Additional Works:
Supply Bolts and Gasket material to assemble charge air cooler.
Done maintenance to charge air cooler housing.
Supplied Gasket Material and built Gasket to assemble all the pipes that were dismantled during M.E. Vibration Damper Renewal.
Prepared Access for Inspect Main Bearings in M.E. Both Side: Cut supports and removed flooring plates and refitted back.
Built charge air cooler base support plate.
Supplied O-rings to assemble all the pipes that were dismantled during M.E. Vibration Damper Renewal.