Why do I have compressor oil in my airstream/oil carryover?
There are a number of reasons why compressor oil may be carrying over into the air stream, with the most common being:
- Compressor oil too full.
- VMAC compressor oil is clear when new which can sometimes make it difficult to read the oil level in the sight glass. Ensure the compressor has not been over filled.
- Incorrect compressor oil.
- Use only VMAC high performance synthetic oil.
- Incorrect shutdown procedure.
- Follow the shutdown procedure documented in the owner's manual.
- Internal VMAC system pressure is being allowed to drop below 60 psi.
- Ensure the compressor is sized correctly for tool (is compressor cfm adequate to run the tool)
- Lack of service, coalescing filter compromised.
- Refer to the VMAC Owner's Manual for servicing intervals.
- Poor fit between the coalescing filter and the AOST.
- When servicing, ensure the coalescing filter is seated correctly.
- Clogged or kinked scavenge line.
- Clear the scavenge tube of any blockages or restrictions.
- Air Oil Separator Tank is not correctly aligned (VMAC Underhood systems only).
- Ensure the arrow on the blowdown cap is pointing up.
- System is being used on too steep an angle (All systems that utilize an Air Oil Separator Tank).
- Ensure the system is level (15° or less).
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