MAINTENANCE
DRAINING / CHANGING OIL
Change the oil according to the Recommended Maintenance Schedule in Table 4. Change the oil MORE OFTEN if
operating under heavy load or high ambient temperatures. It is also necessary to drain the oil from the crankcase if
it has become contaminated with water or dirt. Changing the oil when the engine is warm allows for more-complete
drainage.
To change engine oil:
1. With the help of another person, place the generator on an
elevated platform such as table or workbench.
NOTE: To avoid possible gasoline spills from the carburetor
bowl, drain the carburetor before draining oil.
2. Prepare an approved oil-storage container and place it be-
low the oil drainage bolt (Fig. 20 - 1) to catch oil as it drains.
4. Use a 10mm socket to loosen and remove the oil drainage
bolt, and allow oil to drain from the engine completely.
5. Replace and tighten the oil drainage bolt after the oil has
drained.
NOTE: Never dispose of used engine oil in the trash or down
a drain. Please call a local recycling center or auto garage to
arrange proper oil disposal.
Fig. 20
111
29
6. Unscrew the oil dipstick. Using a funnel or appropriate dispenser, add 20 fl. oz. (0.60 L) of clean engine oil into
the oil fill. Check the oil level periodically using the dipstick. Do not over fill.
TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), available for
purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from your
generator’s oil compartment to help preserve the engine and extend your generator’s lifespan.
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