Annual Generator Maintenance: Complete Checklist

A well-maintained generator starts when you need it. A neglected generator breaks down at the worst possible time. Here is a simple and effective annual maintenance checklist.

Before the breakdown season

• Check oil level and condition

• Change oil if necessary

• Check air filter

• Test the spark plug

Battery

• Check voltage

• Clean terminals

• Install a maintainer if the generator is used infrequently

Fuel

• Never leave old fuel

• Use a stabilizer if stored for a long time

• Check for leaks

Functionality test

• Start the generator

• Run it under load

• Check voltage stability

Recommended frequency

• Quick test: 1 time per month

• Full maintenance: 1 time per year

Conclusion

Simple annual maintenance extends your generator's lifespan, reduces breakdowns, and ensures reliable operation during emergencies.

Read also

• Battery charger or maintainer: complete guide

• Why batteries die in winter (and how to prevent it)

• How to store motorized equipment without killing the battery

• 9500 W and up generator: when is it necessary?

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