Hyundai HG4050 User Manual page 41

3.
Remove the oil drain screw and allow the oil to completely drain into the
pan.
4. Reinstall drain screw before filling the engine with fresh oil up to the
maximum mark on the dipstick. Do not overfill oil reservoir. Use a funnel to
prevent spillage.
5.
Reinstall the oil filler cap and tightly fasten.
NOTE
SAE10W-30 oil is recommended for general use.
DO NOT OVERFILL.
Effective Viscosity Range of Engine Oils
5W-30
-30 -20
-20 0
NOTE
Do not tilt the generator when adding engine oil. This could result in
overfilling and damage to the engine.
Use high quality engine oil with strong detergents. Using non-detergent
or 2-stroke oil could shorten the engine's working life.
Handle and store engine oil with care, avoid getting dirt or dust into the
oil.
Do not mix different engine oils.
Before the engine oil falls below a safe level, the low oil alert system will
automatically shut off the engine. The low oil light will turn on.
To avoid the inconvenience of unexpected engine shutoff, check the
engine oil level as often as possible.
Use 4-stroke engine oil, certified to meet or exceed API standard SG,
SF, SAE ratings.
Synthetic 5W-30
10W-30
0°C
-10 10
32°F
20 40
34
15W-50
20 30
60 80 100
40 50 °C
120 °F
HG SERIES