Answer: The compressor uses water instead of oil to lubricate the screw elements, eliminating the risk of oil contamination in the compressed air.
A. Lower B. Higher C. Same as oilless air compressor D. The answer cannot be determined: B Analysis: The lubricating oil from the oil-injected air compressor will be partially mixed into the compressed air, resulting in a high oil content in the compressed air.
Answer: Check for loose parts, worn components, or improper lubrication, and repair as necessary.
A. Low level of protection B. High level of protection C. Low power D. High noise answer: B. high protection level
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
Answer: Follow the manufacturer’s instructions for draining and refilling the water tank.