Diesel Generator Set Maintenance

A spare parts holding for a 200-1000 kVA diesel generator is a short, deliberate list: the consumables replaced on schedule, and the components whose failure stops the set.

A datasheet rating and an installed generator set are not the same thing. Load bank testing closes the gap before handover: step loading to rated output with temperatures monitored.

Cold weather changes three systems at once: diesel stops flowing, battery capacity falls by up to half, and oil thickens. Here is what to change before the first cold start.

Running a diesel generator below about 30 percent of rated load leaves combustion too cool to burn the fuel fully. The result is wet stacking: carbon, glazed bores and diesel-diluted oil.

A diesel generator is serviced on engine hours, not the calendar: what is checked at the 50, 250, 500 and 1000-hour service points, and the four site conditions that shorten them.

Recommendation: Yuchai 50KW diesel generator with SWG maintenance-free starter battery. Config, use cases, oil & three-filter intervals to cut O&M cost.