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13 Easy Steps To Rebuilding A 2-stroke Cycle Marine Engine - Jobs/Vacancies - Nairaland

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13 Easy Steps To Rebuilding A 2-stroke Cycle Marine Engine by glory4sure: 10:04pm On Feb 26, 2020


Whether you are a 2-stroke cycle engine owner or a marine engineer, there comes a time when you need to rebuild your 2-stroke marine engine either in your maintenance schedule or due to an unplanned engine failure. While two-stroke engines are relatively simple mechanical devices, rebuilding them requires knowledge of how they work, attention to detail, and a systematic approach.

Here are 13 easy steps to rebuilding, repairing or overhauling a 2-stroke cycle engine on board a marine vessel:

1 | Washing the parts
Washing the parts is a process that includes decarbonizing of engine block, piston, top cylinder head, blower, skirting, sump, and every other accessories in preparation to rebuilding an engine.

2 | Bedding of the crank shaft
Bedding of the crank shaft has to do with loosening of the main bearing – extracting the old shell bearing, inspecting and installing a new one according to its part number.
After installation, ensure to retighten the main bearing bolt according to its specification.

3 | Refurbishing of cylinder head
Refurbishing of cylinder head is a very vital step with the following procedure:
• Dismantling of rocker arm bracket
• Dismantling of cam-follower
• Extraction of rocker arm
• Extraction of poppet valve
• Extraction of poppet valve oil seal
• Decarbonizing of top cylinder head and its accessories
• Pressure testing of cylinder head
• Inspection of poppet valve, valve guide and poppet valve seat insert.

4 | Bursting of rings
After decarbonizing the piston, the next step is to inspect the piston groove before installation of new rings by:
• Picking up ring pack
• Opening and checking it out for the rings.
• Separate the rings and check out for the mark.

5 | Installation of piston to sleeve
When done with rings installation, turn… To complete reading, click on http://www.ugpeotechnique.com/Rebuilding-A-Marine-Engine.html

We hope this article helped you greatly? To discuss how we can assist you further in everything on General Maintenance, Repairs and Installation of Diesel engines, gear box, pneumatic systems, navigation equipment, Technical Retainership, Offshore Vessel Chartering, Marine Consultancy, Instrument/Panel Control, please call us on : (+234)706 247 6068 or visit www.ugpeotechnique.com

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