Generator maintenance
Generator maintenance preserves readiness between outages and supports operation during them. The correct schedule comes from the manual for the exact model, with attention to elapsed time, operating hours, fuel, and service conditions.
Follow the model's schedule
Typical service categories include engine oil and filters, air filtration, spark plugs where fitted, battery condition, and fuel-system inspection. Tasks and intervals differ across designs. Some engines need valve-clearance attention; others use hydraulic lifters. A schedule copied from a different model can therefore be wrong. [1]
An automatic exercise cycle shows that a standby unit can perform its programmed exercise. It does not replace scheduled service or every check required during extended operation. Follow the continuous-running instructions during a long outage. [2]
Prepare for the next use
For gasoline portables, storage planning includes fuel condition. Honda warns that deteriorated gasoline can cause starting and running problems. Follow the relevant fuel and storage instructions rather than assuming a tank left full for months remains ready. [3]
Record the model, serial number, service dates, operating hours, and any alarms. Retain receipts and inspection notes. Use qualified service for fuel leaks, electrical faults, and work outside the manual's owner tasks. Standby units can start automatically: follow the manufacturer's safe shutdown procedures before authorized maintenance. [2]
Sources and further reading
- Generac: model-specific maintenance schedule and engine differences ↗support.generac.com
- Generac: standby maintenance and automatic-start precautions ↗www.generac.com
- Honda: deteriorated gasoline and storage-related problems ↗publications.powerequipment.honda.com
Use the manual and nameplate for the exact model. Local requirements and site conditions take precedence over general examples.