WEN DF475T 4750-Watt Dual Fuel 120V/240V Portable Generator

Instruction manual - Page 27

For DF475T. Also, The document are for others WEN models: DF475

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CHECKING/ADDING OIL
Check the oil level before each use and every 8 hours of operation (refer to Fig. 14).
The oil capacity of the generator engine is 20.3 fl. ounces. Add oil when the oil level is low. For proper type and
weight of oil refer to “ADD OIL” portion of the “GENERATOR PREPARATION” section. This is a critical step for
proper engine starting. The generator is equipped with an automatic shutoff to protect it from running on low oil.
To check the oil level and add oil:
1. Make sure the generator is on a level surface. Do not tilt the generator, as oil will flow into engine areas and cause
damage. Keep generator level!
2. Clean around the oil fill. Remove the dipstick and wipe the it with a clean
rag.
3. Insert the dipstick into the oil fill opening without screwing in. Remove the
dipstick to check the oil mark (Fig. 16). Add oil if the oil mark covers less than
one half of the dipstick.
4. Using a funnel or appropriate dispenser, slowly add more oil. Repeat step
3 until the oil mark reaches the top of the dipstick (you can see oil coming up
the threads of the oil fill). Do not over fill.
5. Reinstall dipstick and wipe clean any spilled oil with a rag. Reinstall the oil
access cover
.
Fig. 15
Upper Limit
Lower Limit
MAINTENANCE
DRAINING/CHANGING OIL
Change the oil according to the Recommended Maintenance Schedule in
Fig. 14.
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 complete drainage.
To drain the oil from the generator:
1. Place generator on elevated platform. Prepare an approved gasoline-storage container underneath the oil drain
bolt next to the oil dipstick to catch the oil as it drains.
2. Unscrew the oil drain bolt (Fig. 17) and allow oil to drain from the engine completely.
3. Reinstall the oil drain bolt and tighten it securely. Wipe clean any oil spillage.
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. 16
Oil Drain Bolt
27
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