D3: Maintain Compressed Air Systems

Question 1

What do Manufactures specifications provide?

Answer 1

inspection, maintenance and service schedules

Question 2

Should equipment be locked out before carrying out any repairs?

Answer 2

Yes

Question 3

A dirty filter can reduce

Answer 3

compressor compacity and efficiency
- inspect / clean or replace air inlet filters

Question 4

When should compressor lubricant be checked?

Answer 4

daily + top off as needed

Question 5

What is the ideal operating temp for an air compressor?

Answer 5

50 - 85 F

Question 6

What happens if ambient air cannot be kept above 40F?

Answer 6

install trace heating around pipes, internal heater for compressor + insulation

Question 7

What should not exceed the filter rating?

Answer 7

liquid loading (amount of water or oil)
solid particle size

Question 8

When pressure drop exceeds 8 - 10 psid, what should you do?

Answer 8

change the filter cartridge

Question 9

What is the common area to encounter leaks?

Answer 9

within the last 9m (30’)

Question 10

What % is the compressors output lost due to leaks?

Answer 10

20 - 30%