30
6) Touch the outside wire mesh. The indicator light should illuminate on the test or the v-o-m test must read no
more than 20 ohms.
7) Touch the inside wire mesh (do not puncture the element media). The indicator light should illuminate on the
test or the v-o-m test must read no more than 20 ohms.
8) If the separator element has a gasket on each side of the flange, repeat steps 3 through 7.
9) If the separator element is the type that does not require a grounding staple in the gasket (QSVB stage one only),
the ground probe should be attached to the cap with the bolt circle flange repeat steps 4 through.7.
10) If the separator element fails any of the above test, return it to a Quincy Distributor for replacement.
11) Make sure the vacuum pump is bonded (wired) to an earth ground to dissipate static electricity.
10. Fluid Scavenging System
Fluid from inside the fluid separator element is returned to the inlet valve or airend by way of a scavenger tube
positioned inside the fluid separator element, through an orifice and via a tube to the vacuum pump. Failure to keep
the orifice clean will result in excessive fluid carryover. Cleaning of the orifice should be performed as shown below
or,
which ever occurs first:
•
When no fluid is seen moving through the sight glass.
•
When excessive fluid carryover is detected.
•
Every fluid change.
•
Once per year.
NOTE:
Do not ream the orifice or change the orifice size. Do not install the orifice reversed.
11. Air Filter
The air filter is a single stage, dry type element attached to the inlet valve. The filter media is pleated and will stop
particles of 10 microns in size. This element is replaceable and should not be cleaned.
Service intervals of the air filter element depends on ambient conditions and should be established by checking
regular intervals until a pattern for servicing is found. Daily maintenance of the filter element is not uncommon in
dirty conditions.
Each time the filter is serviced, inspect the filtered air side of the air cleaner canister and the suction manifold for
dirt. If dirt is found, determine the cause and correct. Always make sure all gaskets, threaded connections, flange
connections, and hose connections between the air filter and air
vacuum pump are
absolutely air tight.
Dirty filters result in reduced air flow and can distort the element and allow dirt to by-pass the filter element.
NOTE:
Intake filtration equipment supplied from the factory may not be adequate for some vacuum applications or
some forms of dust or vapors. It is the customer's responsibility to provide adequate filtration for those
conditions. Warranty will be void if a failure is determined to be caused by inadequate filtration.
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