Wa R N I N G

11Remove the drain plug and the bonded seal from the oil mist filter. The bonded seal looks like a metal washer with a black inner o-ring.

12Install the bonded seal to the oil mist filter drain adapter. The drain adapter looks like a drain plug with a small plastic nozzle.

13Screw the black drain adapter and bonded seal into the oil mist filter.

14Remove the plastic protective cover from the pump exhaust port. Place the centering o-ring on the pump exhaust port (see Figure 13).

15Place the oil mist filter onto the o-ring on the pump exhaust port. Install the filter so that the gray half is above the white half of the filter (see Figure 11 and Figure 12).

16Position the oil mist filter so the drain adapter points toward the gas ballast inlet (see Figure 11 and Figure 12).

17Fit the clamping ring onto the adapter and oil mist filter and hand tighten.

18Turn the gray plastic gas ballast knob counterclockwise to position II. Press the knob down against the spring and continue to turn counterclockwise until the knob is free. Remove knob from the pump. Confirm that the spring is still in place.

19Locate the tall aluminum gas ballast control assembly, and install the small o-ring into the groove on the shaft.

20Insert the gas ballast control assembly into the pump, pressing down against the spring, and turn it clockwise until the nozzle on the assembly is directly over the mark on the top of the pump.

21Cut approximately 3/4 of the black silicone oil return line and insert the steel restrictor approximately half-way into the line. If needed, use a small screwdriver or other small tool to aid in positioning the restrictor.

22Fit one end of the oil return line to the drain adapter on the oil mist filter. Fit the other end of the line to the nozzle on the gas ballast adapter. Ensure that the tubing is not tight and has no tight bends. Secure the line at each end, using the black hose clips provided.

23Add oil to the pump via either of the two oil fill caps. The oil level should be between one-third and one-half when viewed in the oil sight glass. Replace the oil fill cap prior to operation of the pump.

	WA R N I N G	Do not operate the vacuum pump with the oil level below the minimum oil level mark or
	WA R N I N G	above the maximum oil level mark.
		above the maximum oil level mark.

24Place a hose clamp over the black heat shrink end of the 6’ Tygon vacuum hose, and connect the hose to the barbed fitting labeled Exhaust on the back of the Detector. Tighten the hose clamp securely.

25The SCD should be placed near the GC and be accessible from the rear in order to connect the electrical power and the recorder signal cable.

Operation and Maintenance Manual

above the maximum oil level mark.