Marine 4 Stroke Engine | Auxiliary Engines | Notes | Guide

 It is a complete guide for Marine Four Stroke Engine. This is a good collection of notes prepared in the purview  of Marine exams in  a simple and easy understandable language with  bullet points.

As it is impossible to answer all questions at a time it is done on timely basis. please comment below or contact on admin@marinesite.info, once you find any important area, missed out.  Also contact us, if you wish to answer any of the questions listed.

Basics 

> Concept of Marine Compression Ignition Engine

> Basics of Four-stroke Marine Engine

> Actual PV Diagram of 4-Stroke Engines 
> Valve Timing Diagrams Of 4-Stroke Engines 

> Difference Between Two Stroke and Four Stroke Marine Engines

Fuel Injector 
> Diagram And its Parts? 
> Procedure for overhauling Auxiliary Engine Fuel injector? 

Valves
> Why concentric springs fitted for A/E cylinder head valves?
> How to Identify Auxiliary engine Inlet And Outlet Valves?
> What is Tappet Clearance How to Check and Adjust Tappet Clearance?
> How To find TDC of an Engine

Piston Rings
> Types of piston rings in marine engine Function & Material 
> Piston ring Clearances How to check it? 

Alarms & Safeties 

> What are the trips and alarms in Auxiliary Engines?

Troubleshooting

> Reasons for Auxiliary Engine High Exhaust Temperature 

> If an A/E does not start what will be your action?

Miscellaneous 
> Procedure For Starting An Auxiliary Engine

> What is Ovality of Auxiliary Engine Crank Pin

> How Lubrication in Auxiliary Engine Achieved?
> Explain Decarb Procedure
> Auxiliary engine Air starting line Diagram
> Where is a thrust bearing installed in an auxiliary engine? And why?