Owner's manual
Chapter 4: Using Your PrimeMate Oil Change System 
Product Service 1-800-522-7658 
12 
PrimeMate Oil Change System Controls 
The control panel of the PrimeMate Oil Change System is shown below 
along with a description of the control functions. 
1.  Power Light 
When the power switch on the right side of the PrimeMate Oil 
Change System is turned on the power light will illuminate green. 
Note: The PrimeMate Oil Change System should always be turned off 
when the oil change procedure is complete. 
2.  Drain/Fill Switch 
Pushing the switch lever downward activates the drain pump. When 
draining used oil from a vacuum pump, allow the PrimeMate Oil 
Change System to operate for several minutes after the vacuum pump 
appears empty. The draining process can also be monitored by 
observing flow through the hose entering the back of the PrimeMate 
Oil Change System. When the vacuum pump is drained, bubbles will 
appear in the hose. Turn the switch to the off position. 
Before draining oil from a Vacuubrand
®
 Chemistry Hybrid Vacuum 
Pump or other vacuum pumps that operate with a negative pressure in 
the oil chamber, always break vacuum at the pump inlet or open the 
ballast. This eliminates the negative pressure in the oil chamber and 
allows oil to be drained quicker. 
The fill pump is activated when this switch is pushed upward. This 
causes oil to flow from the PrimeMate Oil Change System into the 
vacuum pump. If the fill pump remains on in excess of 10 minutes 
and the proper oil level in the pump has not been reached, it is an 
indication that the clean oil container is empty and oil needs to be 










