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8. Vacuum Pump Air/Fluid Separator Element
The element is a one piece construction that coalesces the fluid mist, as it passes through the filtering media, into
droplets that fall to the bottom of the separator element to be picked up by a scavenging tube and returned to the
vacuum pump. Care must be taken in handling the separator element to prevent it from being damaged, any denting
may destroy the effectiveness of the filtering media and result in excessive fluid carryover. Even a very small hole
punctured through the element will result in a very high carryover of fluid. The vacuum pump air/fluid separator
element must be changed for any of the following conditions, whichever occur first:
• As indicated by the differential pressure indicator for the separator element.
• When excessive fluid carryover is noted and it has been determined the scavenging system is functioning
properly, the fluid temperature is normal, the running fluid level is correct and the vacuum pump is not cycling
rapidly between load and unload.
• Every 8,000 hours. Replace the fluid strainer along with the separator element.
Failure to change the separator element before it exceeds the pressure given above will result in blown or tripped
overload fuses and/or shortened electric motor life.
! WARNING
Do not remove the staples from the separator element. Their function is to prevent
an electrostatic build-up, which could spark a fire. Use genuine Quincy replacement
separators.
9. Continuity Testing of Separator Elements
NOTE:
Electrical continuity between all separator element metal surfaces must be checked prior to replacing any
separator element. Do not install if continuity is not present. Return the separator element to your Quincy
Distributor for replacement.
Use the following procedure prior to installation:
1) Locate a continuity test light or a volt-ohm-meter (v-o-m) capable of reading 20 ohms.
2) Assure that battery has proper charge. Touch the probe leads together to assure the light works or to zero
calibrate the meter.
3) Contact the grounding staple on the separator element gasket or the grounding spring clip on the separator
element (elements without gaskets) with the ground probe of the test indicator.
4) Touch the top cap of the separator element with the other probe. The indicator light should illuminate on the
test or the v-o-m test must read no more than 20 ohms.
5) Touch the bottom cap of the separator element. The indicator light should illuminate on the test or the v-o-m
test must read no more than 20 ohms.
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