Recommended Maintenance Schedule
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| Each Use | Every Month or | Every 3 Months or | Every 6 Months or | Every Year or |
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| Each 20 Hrs | Each 50 Hrs | Each 100 Hrs | Each 300 Hrs |
Engine Oil | Check Level | X |
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| Replace |
| X |
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Air Filter | Check | X |
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| Clean |
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| X |
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Fuel Filler Cap | Clean |
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| X |
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Spark Plug | Check/Clean |
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| X |
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Fuel Tank | Verify Gas Level | X |
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| Clean |
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| X |
Figure 10 - Recommended maintenance schedule
Cleaning the Generator
Always try to use this generator in a cool dry place. If this generator becomes dirty, the exterior can be cleaned with a damp cloth, soft brush, vacuum and/or pressurized air.
Never clean this generator with a bucket of water and/or a hose as water can get inside and cause a short circuit or corrosion.
Never use gasoline to clean parts of this generator.
Checking the Oil Level
Even though this generator is equipped with an automatic shutoff to protect it from damage due to low oil, it is important to check the oil level in the engine crankcase before each use to ensure that there is a sufficient quantity.
To check the oil level:
1.Verify that this generator is shut down and on a level surface.
2.Unscrew the oil filler/dipstick cap from the engine as illustrated in Figure 11.
3.With a dry cloth, wipe the oil off of the dipstick that is located on the inside of the cap.
4.Insert the dipstick as if replacing the cap and then remove again. There should be oil on the dipstick. If there is no oil on the dipstick, or oil is visible only at the very end of the dipstick, add oil until the engine crankcase is filled (see “Changing/Adding Oil” in this section of this manual).
5.Confirm that the oil filler/dipstick cap is properly in place when finished verifying the oil level.
Figure 11 - Checking the Oil
Model | 20 |