GE Analytical Instruments ©2006 15-2 DLM 14291 Rev. A
Figure 15-1: Location of Oil Fill and Drain Plugs
or other elevated surface. If necessary, loosen the hose clamp on the vacuum tube
connection from the chemical trap to the NOA and remove the tubing from the
trap. Figure 15-1 shows the oil fill and oil drain plugs on the vacuum pump.
To change the oil:
• Open the oil fill cap and set aside.
• Position the waste oil container and funnel under the oil drain plug.
• Use a screwdriver to slowly open the oil drain plug by turning the screwdriver
counterclockwise.
• When the plug is removed, the oil will immediately flow out the drain.
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