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1. Change engine oil (and filter if applicable)
2. Replace oil filter and inspect base
3. Replace spark plugs
4. Inspect ignition coil wires and plug caps.
5. Inspect cooling system, clean fins (air-cooled)
6. Inspect fan guard for condition and security
7. Inspect and clean air filter and pre-cleaner
8. Replace fuel filters (If applicable)
9. Inspect engine gaskets, breathers and fuel regulation components for any fuel or oil leakage
10. Inspect and adjust engine belts, hoses and clamps
11. Lubricate governor and carburetor linkage
12. Load test battery, clean posts, and record VDC readings
13. Check and record battery static and running charging rates
14. Inspect engine and battery heaters for proper operation
15. Inspect engine and electrical safety shutdown devices
16. Inspect unit for excessive noise or vibrations
17. Inspect mounting bolts, brackets and coupling connections
18. Check, calibrate and record AC output Voltage & Frequency
19. Inspect engine, alternator and control wiring
20. Wipe down outside of generator and engine