DA Directional arrow EB Eye bolt
GB Gas ballast valve IN Suction connection
MC Mains connection MTB Motor terminal box
NP Nameplate ODP Oil drain plug
ODV Oil drain valve OFP Oil fill plug
OLI Oil level indicator OOS On/off-switch
OSG Oil sight glass OUT Discharge connection
NOTE
Technical term.
In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum
pump’.