Marine Genset Construction Review Checklist

Installation Quality

• Systematic construction verification ensures proper generator installation according to manufacturer specifications, classification society requirements, and marine engineering standards. Proper installation of air systems, cooling systems, fuel systems, and exhaust systems prevents premature failures and ensures optimal generator performance throughout operational life.

Warranty Compliance

• Comprehensive construction inspections verify installation meets manufacturer warranty requirements, prevents warranty voidance from improper installation, and ensures all systems are correctly commissioned. Documented verification demonstrates proper installation procedures and supports warranty claims if equipment issues arise.

Operational Reliability

• Proper genset construction verification ensures reliable power generation, prevents unexpected shutdowns, minimizes maintenance requirements, and extends equipment service life. Correct installation of cooling systems, fuel systems, and starting systems enables consistent generator performance under all operating conditions.

• Are the vent tubes of the crankcase breather installed?
• Are crankcase fumes discharged directly into the atmosphere?

• Does the weight of the vent pipe have good support?
• Does the horizontally installed vent pipe have a gradual descent of 40mm/m?

• Is the drain point installed at the lowest point of the venting pipe?
• Is the flexible connection properly installed?

• Has an appropriate coolant inhibitor been used?
• What cooling system does this engine use?
• Is the Jacket Water Circuit filled with 50/50 water-to-glycol?
• Is the Aftercooler SCAC circuit filled with 80/20 water-to-glycol?

• Is access to clean the exchanger sufficient?
• Has a flexible connection been installed?
• Is the Marine Gear Oil Cooler connected?
• Where is the position of the sea water pump?

• Is the goose neck pipe installed on the inlet side?
• Has a check valve / non return valve been installed on the inlet side to prevent seawater from spilling again?
• Is the sea water strainer installed?
• Is the mesh size of the sea water strainer between 1.6-2mm?

• Is the engine bonding system installed?
• Is the engine bonding system installed in the same seawater column?

• Is the engine bonding system installed on a zinc anode which is always submerged in seawater?
• Has the bonding cable used a minimum cable size of #8AWG?

• Is there no other system in contact with the engine bonding system?
• Others

• Is the exhaust piping installed with the same resistance on each bank?
• Has the exhaust below been installed properly?

• Is the installation of the exhaust pipe between the engines separate?
• Are the pipe diameters, lengths and bends correct?

• Are all exhaust pipes insulated and protected by mechanical lagging?
• Is the water trap drain installed in the exhaust system?

• Where is the position of the daily fuel tank?
• If the fuel tank is set higher, is a check valve with backpressures set installed?
• Are the internal diameters of the fuel lines inlet and outlet the same or larger than the engine connection?

• Is all the air trapped in the system removed before starting the engine?
• Is the length of the fuel flexible connection no more than 30 inches?
• Has the customer installed a primary fuel filtration system / water separator with a maximum mesh of 10microns

• Have the pipes and fuel tanks been cleaned?
• Are there no galvanic or similar fuel pipes used?

• Is the lub oil used in accordance with the CAT® standard?

• Has the customer ensured that all coolants, cooling pipes, lube oil pipes, fuel oil pipes, exhaust pipes, intake ducting, are free from all dirt, rust, welding spatter, and other foreign materials before starting the engine?

• Has the customer done a megger and resistance test before starting the generator?
• Is there sufficient distance and space to be able to disassemble the engine including lifting eye?

• Are engines and accessories properly and properly protected during construction?
• Has the customer made an engine foundation that complies with MCS rules?

• Is the battery position close to the starting motor?

• Is the battery placed in a special place?

• Is the battery cable used in accordance with the standard length, diameter, and type?