Service Tips

Ensure the Reliable Operation of your Generator Set with Proper Coolant and Cooling System Maintenance

Certain types of coolant may adversely affect the functionality of Northern Lights generator sets. The Northern Lights Service Department offers the following troubleshooting tips: Straight water with additive is not recommended on Northern Lights generator sets as they may cause damage to the engine. Some brands of Hybrid or OAT ...
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Northern Lights Training Course Catalog

Northern Lights, Inc. is dedicated to manufacturing the industry’s best marine products. As part of our commitment, we offer training courses to our dealers, clients and captains to ensure that the world’s best built marine generator sets are the best maintained and serviced as well. Contact your nearest Northern Lights ...
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Proper Loading of Marine Diesel Generator Sets

Among the most common issues people report with their marine generator sets are dirty exhaust or “wet stacking”. Most frequently, this condition is caused by cylinder glazing and carbon build-up. The root cause is simple: underloading the genset. Diesel engines in marine gensets should typically run at least 60-75% of ...
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Proper Loading of Marine Diesel Generator Sets

Among the most common issues people report with their marine generator sets are dirty exhaust or “wet stacking”. Most frequently, this condition is caused by cylinder glazing and carbon build-up. The root cause is simple: underloading the genset. Diesel engines in marine gensets should typically run at least 60-75% of ...
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SY Marine with 2 x NL M1064A generators on board

Northern Lights Visits Customers at Antigua Charter Yacht Meeting December 2015

From 5-9 December members from the Northern Lights family visited customers at the 54th Annual Antigua Charter Yacht Meeting (ACYM). The Charter Yacht Show was very successful with 105 yachts ranging in size from 62 ft to 296 ft. In addition there were another 40-50 yachts in Falmouth Harbour which ...
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Service Tip #13 Why Do Maintenance?

On a recent trip down island, I was told by several customers that they haven’t changed oil in 2-3 years, because the engine does not run very much.  They quote a 500 hour oil change interval from the Operator’s Manual and point that they only put around 100 hours per ...
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Noise reduction for Generators

When I set out to write this blog piece I thought it would be a simple matter of writing about sound enclosures, construction materials and noise reduction. However, when I started researching these areas I quickly realized there is too much material for a single blog to be meaningful. This ...
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Service Tip #4: Standby Generator Annual Maintenance

Many land based Standby Generators do not get enough hours accumulated in a year to qualify for an oil change. Therefore, it is very important to do an Annual Maintenance on those generators. We usually use the advent of the Hurricane Season as our time to do this. What does ...
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SUMMER TIME IS ANNUAL MAINTENANCE TIME FOR YOUR NORTHERN LIGHTS GENERATOR

Summer time is the off season for many in the Caribbean, whether you are a cruiser sitting out Hurricane Season or a Charter vessel taking a well-deserved break.  Before you put the boat up on the hard, or leave it at the dock for the summer, do your diesel engines ...
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NORTHERN LIGHTS 5-20 KW HEAT EXCHANGERS

I was helping a customer the other day who requested a heat exchanger tube stack for an M753K.  This is a 10 year old generator, but I was still shocked that he needed a heat exchanger.  In our experience, the only thing that can cause a heat exchanger tube stack ...
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