Diesel powered generators are widely seen as the most reliable form of backup power. They are usually used in the event of problems with the grid.
From a mechanical perspective a diesel generator from well-respected brands such as Perkins, Cummins, Volvoor John Deere can run for thousands of hours without the likelihood of breakdown or the need for an overhaul. However, as we have discussed in previous blogs (cf “Check your diesel generator’s fuel” and “Basic diesel generator maintenance“) no gen set can provide long-term power security if it’s not maintained.
According to the electrical engineering magazine, Electrical Construction & Maintenance (EC&M) the top 3 reasons why standby generators fail to automatically start are related to maintenance issues.
The start switch was left at Off rather than Auto.
Problems with starter batteries.
Fuel filter clogging – usually from old or water-contaminated fuel.
Ways to Maintain your Diesel Generator
Our recommendations for core maintenance checks (that don’t necessarily need an engineer call out) are as follows:
Regular generator starts to check for faults and identify issues like dead batteries.
Check and change fuel and oil filters if there is any sign of fluid degradation.
Check fuel quality and add algae inhibitors if there is any sign of moisture.
Keep in contact with suppliers to make sure if planned fuel deliveries or maintenance visits are in their schedules.
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