GEN4000DF-STW 4000 Surge Watt / 3500 Running Watt Portable Dual Fuel Gen Welder
20
To add oil to the engine crankcase:
1. Confirm that this generator is on a level surface.
2. Unscrew the oil filler/dipstick cap from the engine as illustrated in Figure 11 above.
3. Using a funnel, add high detergent motor oil to fill the engine crankcase to the correct quantity. SAE10W-30 oil is recommended for general use.
When the engine crankcase is full, the oil level should reach the top of the oil filling opening as shown in Figure 13.
Model GEN4000DF-STW Oil Capacity
18.5 ounces
Model GEN4000DF-STW Oil Type Recommended
High Detergent Motor Oil, SAE10W-30
Figure 12 - Draining Oil
Figure 13 - Adding Oil
Air Filter Maintenance
Occasionally verify that the air filter is free of excessive dirt. The air filter will require more frequent cleaning when operating this generator in
extremely dusty areas.
1. Unhinge the clasps at the top and bottom of the air filter cover as shown in Figure 14.
2. Remove the sponge-like elements from the casing.
3. Wipe the dirt from inside the empty air filter casing.
4. Wash the sponge-like elements in household detergent and warm water.
Do not
use gasoline or a flammable solvent.
5. Allow the sponge-like elements to dry thoroughly.
6. Soak the dry sponge-like elements in engine oil. Squeeze out any excess oil. The
engine will smoke during initial startup if too much oil is left in the air filter.
7. Replace the sponge-like elements in the air filter casing (the fine element first) and
Figure 14 - Removing the Air Filter Casing.
replace the cover.
Summary of Contents for GEN4000DF-STW
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