Engine Oil
18 www.honeywellgenerators.com HW1000i / HW2000i Inverter Generator Owner’s Manual
Engine Oil
Engine Oil
Engine Oil Recommendations
Use 4-stroke oil, or equivalent high detergent, premium
quality motor oil certified to meet or exceed U.S. automo-
bile manufacturer's requirements for API Performance
Class SF or better. SAE 15W-40 is recommended for gen-
eral, all-temperature use.
Checking Engine Oil Level
To check engine oil level:
1. Stop the generator if the engine is running.
2. Place the generator on a flat, level surface.
3. Remove the back maintenance cover using the Phil-
lips end of the universal screwdriver bit.
4. Remove the oil fill cap.
5. Check the oil level is up to the innermost thread of the
crankcase.
To add engine oil:
6. During initial fill or when the oil level is low, add oil
(see “Engine Oil Recommendations”) to the oil fill
container (included). DO NOT OVERFILL.
NOTICE
Engine oil is a major factor affecting engine performance
and service life. Non-detergent and 2-stroke engine oils will
damage engine and are not recommended.
• Be sure to use engine oils specified under “Engine Oil
Recommendations.”
It is very important to maintain proper level of engine oil to
keep engine in good running condition.
• Check engine oil level prior to each use. Refill engine
oil if oil level is low.
FIGURE 17: Recommended Oil Viscosity
Crankcase pressure can cause hot engine oil to
spray out of engine fill hole. Hot engine oil can
cause severe burns.
• ALWAYS stop engine before removing the oil fill cap.
15W-40
FIGURE 18: Oil Fill Cap Removal
FIGURE 19: Oil Fill Measurement
HW1000i HW2000i
Oil Capacity [qt / ml]
0.26 / 250 0.48 / 450
TABLE 4. Engine Oil Capacity
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