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Maintenance
General
Wipe with damp cloth to clean the exterior
Do not use solvents
Storage
Empty or replace oil at the end of every job
Don't leave old oil in the machine Store the pump
and oil in dry clean areas for longest life
Oil can lose its sealing properties if left
uncovered Keep oil sealed until it's ready for use
Vacuum Isolation Test
Perform this test to ensure VP55/VP85 and your
micron gauge are working properly
1. Connect your vacuum gauge directly to a port on VP55/VP85.
2. Seal the 3 other ports.
3. Ensure the gas ballast is closed (page 26).
4. Turn on VP55/VP85 to create a vacuum at your gauge.
If your gauge measures below 200 microns within 1 minute, you
know VP55/VP85 and your micron gauge are working correctly.
If your gauge does not reach 200 microns, there is a problem with
your gauge, VP55/VP85, or both.
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Contaminated Oil Reservoir
After some jobs, solids, sludge, and other
waste may gather in the oil reservoir The large
oil drain ball valve will typically drain these when
changing the oil
The oil reservoir is permanently attached to
the machine If contaminants build up in the
reservoir, use a bottle brush (with plastic bristles)
through the oil fill and/or exhaust openings to
reach in and clean the clear reservoir
Rubbing alcohol can be used in conjuction
with brushing without damaging the reservoir
Always allow alcohol to fully evaporate before
refilling the reservoir with oil
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