Wen 56380i Instruction Manual page 13

The following section describes the necessary steps to prepare the generator for use. If you are unsure about how
to perform any of the steps, please call (800) 232-1195 M-F 8-5 CST for customer service. Failure to perform these
steps properly can damage the generator or shorten its life.
STEP 1 - ADD / CHECK OIL
The generator is shipped without oil. User must add the proper amount of oil before operating the generator for the
first time. The oil capacity of the engine crankcase is 18.6 fl. oz. (0.55 L).
ENGINE OIL RECOMMENDATIONS
Select good quality detergent oil bearing the American Petroleum Institute (API) service classifications
SJ, SL, or SM (synthetic oils may be used). Select the SAE viscosity grade of oil that matches the
expected operating temperature.
-20 0
°F
°C -30 -20
To add oil, follow these steps:
1. Place the generator on a level surface. Make sure the en-
gine is off before adding or checking oil.
CAUTION: Keep the generator level! Tilting the generator
to assist in filling will cause oil to flow into the wrong
areas of the engine and cause damage.
2. Turn the oil access cover knob to the unlocked position,
and remove the access cover from the side panel. Unscrew
the oil dipstick from the engine (Fig. 2).
3. Using an oil funnel or appropriate dispenser, slowly add
oil into the oil fill, being careful not to overfill the unit. Fill the
crankcase to the upper fill line so you can visually see the oil
coming halfway up the oil fill threads (Fig. 3).
4. Reinstall the oil dipstick and firmly tighten it. Wipe clean
any spilled oil.
5. Reinstall the oil access cover. Turn the oil access cover
knob to the locked position to secure the cover in place.
GENERATOR PREPARATION
10W-30
Synthetic 5W-30
20 32 40
-10 0 10
30W
60 80 100
20 30 40
Upper Level
Fill Line
• 30W Engine Oil
Temperatures above 40°F
• 10W-30 Engine Oil
Temperatures between 0°F - 40°F
• Synthetic 5W-30 Engine Oil
All temperature ranges
Lower Level Lower Level
Fill Line Fill Line
Fig. 2
Fig. 3
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