Never attempt to clean the filter element with
compressed air. Replace the filter element.
Changing Oil and Filter
If the system has been just operated, shut it off and wait at least 30
seconds for the air pressure to vent before working on the system.
Do not attempt to change the oil filter until the oil has
cooled. Hot oil can cause severe burns.
1. Clean the area around the oil drain plug and the filter on the tank
to prevent contamination.
2. Remove the drain plug and drain the oil, then install and tighten
the plug.
3. Slide a thin drip tray or absorbent material under the filter to
collect oil spills.
To prevent damage, always use a proper filter wrench.
Never over-tighten the filter, as this may damage the
seal or the filter.
4. Remove the filter by turning it counterclockwise. Before
discarding the filter, check to make sure that the threaded nipple
did not unscrew with the filter. If the nipple is in the filter, remove
it carefully to avoid thread damage and replace it in the tank
housing.
5. Check the gasket-sealing surface on the front of the tank for
contamination, old gasket material or damage.
6. Apply a thin coating of compressor oil to the filter-sealing gasket
and fill the filter with new oil.
7. Spin the filter onto the threaded nipple until the gasket contacts
the sealing surface on the tank, then tighten the filter an
additional 3/4 to 1 turn to seat the sealing gasket.
8. Remove the fill cap and pour VMAC compressor oil into the oil fill
hole on the compressor tank using a funnel.
9. Check the level in the sight glass at the front of the tank.
Continue adding oil until the level is up to “MAX”. Do not overfill
the system. Overfilling the system with oil can flood the sight
glass window and make the system appear empty.
10. Replace and tighten the fill cap.
11. Activate the hydraulic system.
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