Quincy Compressor QSI 740

Record the current operating hours of the compressor

Has the compressor operated for 2000 hours since the last oil change?

Check the oil level using the float type liquid oil level gauge

Is the oil level within the acceptable range?

Change the oil if the compressor has operated for 2000 hours or if the oil level is not within the acceptable range

Is the oil filter warning light on?

Has it been 6 months since the last oil filter change?

Check the separator warning light

Record the total hours of operation

Inspect the service line for excessive oil

Check the separator for faults (e.g., holes)

Change the air/oil separator if any condition is met

Document the condition that triggered the separator change

Verify the new separator is functioning correctly

Record the date of separator change

Check conditions for servicing the air intake filter element

Remove the air intake filter element

Wash the filter element in a warm water solution of household detergent

Enter the number of times the filter element has been washed

Has the filter element been washed more than six (6) times?

Discard the filter element if it has been washed more than six (6) times

Check the oil level using the float type liquid oil level gauge

Change the oil after 1000 hours of operation

Replace the oil filter elements under any of the following conditions

Ensure the carbon washer is not dropped or scratched

Ensure the seal seat is not scratched

Oil the outer surface of the seal seat 'O' ring (do not use grease)

Push the seal seat with 'O' ring into the seal adapter squarely and firmly

Place the spring holder on the shaft and push it down on the input shaft bearing