Guardian 70ES Operator's Manual page 21

6. Fill the fuel tank with unleaded gasoline of not less than 87 octane. ALWAYS take
precautions when filling the machine with fuel. NEVER fuel the machine while running
and ALWAYS wait for a hot machine to cool before fueling.
7. Check the engine oil level by loosening and removing the engine oil dip stick. Ensure oil
level is between the H and L.
8. Visually check the oil level on the air compressor by ensuring the oil level is visible and
2/3 full in the sight gauge on the side of the compressor.
21