5. Maintenance
ARV-310 5-7
4) Open the oil outlet on the vacuum pump and drain the
oil in the vacuum pump.
Fore replenishing oil, go to the step 6), skipping the step 4)
and 5).
5) Close the oil outlet.
6) Open the cap of the oil inlet.
DO NOT confuse the oil inlet with the exhaust outlet.
Exhaust Outlet (Gold Color)
Oil Inlet
(Hex. Screw, Painted)
Vacuum Pump
Oil Outlet
＜Vacuum Pump＞
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