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Maintenance And Your Commercial Generator

Maintenance And Your Commercial Generator

Maintenance And Your Commercial Generator

Like cars and trucks, commercial generators all have engines and electronics that require regular maintenance to work efficiently. Regardless of how often your commercial generator is used, performing maintenance will ensure it has a long life with minimal downtime. Maintenance schedules also offer cost-saving opportunities to complete minor repairs and parts replacements that keep you from having to purchase a new generator before it’s necessary.

How Often To Service Your Commercial Generator

If you have a standby generator that runs less than 50 hours each year, it is sufficient to perform a preventative maintenance level 2 (PM2) annually. A PM2 is an overall inspection of the condition of the generator, including:

  • replace engine oil filters
  • replace engine oil
  • replace the fuel filter on diesel engines
  • sample oil, coolant, and diesel fuel as needed

If any concerns are noted during the PM2, or you begin to experience issues with your generator, a semi-annual inspection should be conducted every six months to address concerns. Maintenance and repairs can be performed during examinations, and recommendations are made for any follow-up as noted.

Load Bank Testing

Some industries and facilities are required by law or code to perform load bank testing on commercial generators annually. The load bank applies an electrical load to the generator end, which applies a mechanical load to the diesel or natural gas engine. In a load bank test, the engine and generator (alternator) are operated at heavy loads to increase exhaust temperatures and verify the operation of:

  • engine cooling system
  • automatic voltage regulator and excitation system
  • fuel system

The load bank test also helps to eliminate wet stacking in diesel engines. Generator manufacturers have standards for maintenance recommendations that should be used as guidelines for load banking tests and other maintenance inspections.

Benefits To Commercial Generator Maintenance

Industrial generators can last for a long time if properly maintained. Replacing parts on a generator is far less expensive than purchasing a new industrial generator. A little maintenance on the generator can go a long way to ensuring your commercial facilities remain in working order. Generator maintenance and repair keep you up and running and protects your bottom line.

If your generator shows wear and tear, it is in your best interest to have it serviced to ensure it is in optimal condition. Continued up keep of your generator is necessary, even if it is only used as a backup power source. In conclusion, you don’t want to find out that your generator needs repair in the moment when you need it most.

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