Vacuum/Pressure Gauge:
Required to properly monitor the performance of the system. It should be located between the
Scrubber and the (the clean side) Pump to prevent gauge failure due to foreign material.
Vacuum Relief Valve:
Governs the operating vacuum level. It should be installed at the pump so that if a liquid level trap is
activated or a hose collapses the pump is prevented from overheating.
Pressure Relief Valve:
Regulates the amount of pressure the system is exposed to. It should be located between the
Scrubber and the Pump on the clean side of the system.
Warning! Operating your system without properly installed vacuum and pressure relief
valves in good working order could lead to equipment damage or catastrophic failure
resulting in severe injury.
Oil Separator (Muffler):
Removes oil from the pump exhaust. It is equipped with a ball valve at the bottom and should be
drained at least twice daily.
Oil Reservoir Kit:
The oil reservoir kit supplies filtered lubricating oil to the pump.
Flushing Kit:
The flushing kit supplies a cleaning fluid to the pump. This extends pumps life by preventing the
build-up of carry-over from liquid level traps causing contamination.
Pumper Scent (Optional):
The Pumper Scent box removes odor from the exhaust. Its use is recommended in environmentally
sensitive areas.
Swing Check Valve (Flange Model Only):
A swing check valve should be installed somewhere in the system to prevent the pump from
spinning backwards when the pump is disengaged with vacuum or pressure in the tank. If the pump
is allowed to spin backwards, then there is air flowing backwards through the system which could
carry foreign material into the pump and cause severe damage. The swing check valve must be
installed in a horizontal position.
Remote Four-Way Valve (Flange Model Only):
A remote four-way valve must be used if both vacuum loading and pressure off-loading is desired.
With one side of the valve attached to the intake side of the pump and the other attached to the
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