Answer: It should be installed in a cool, dry place with adequate ventilation and away from sources of heat and moisture.
Answer: It can be determined by observing the pressure differential indicator of the water filter or based on usage time and water quality.
Answer: Check for loose parts, worn components, or improper lubrication, and repair as necessary.
A. Higher B. Lower C. Same as oil injection air compressor D. The answer cannot be determined: B Analysis: Oil-free air compressors do not need to replace lubricants and oil filters, so the maintenance cost is low.
Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.
A. General B. Poor C. Better D. Very good answer: D. very good