7
6-6.Plug into an outlet for single-phase 100V, and switch on. It starts operating the circulating
pump, and then the oil flows into the vacuum pump; proper amount of oil should be flown
into the pump depending on the oil level on the gauge.
After a certain amount of oil reaches at a specified level, turn the Inlet side 3-way
valve
to the inlet
①
side from the oil supply port
②
6-7.Check the oil level and any oil leakage. If the amount of oil is insufficient, turn the 3-way
valve back to the side of the oil supply port and supply oil.
7.Operation
7-1.Turn the Inlet side 3-way valve to the inlet side. Put the Outlet side 3-way valve face
upward.
7-2.Be sure that power source plug is connected to the outlet for single-phase 100V.
Turn on the main switch; it starts operating.
8.Shutdown
8-1.Turn off the main switch.
8-2.Close both the Inlet side 3-way valve and Outlet side 3-way valve (neutral position).
※
The Inlet side 3-way valve faces upward; the Outlet side 3-way valve places
sideways.
Caution
）
The 3-way valve
（
both Inlet and Outlet
）
are never to be operational with
“closed position!” It is extremely dangerous. However, they must be closed
during its shut-down. (the oil would back up).
9.Maintenance & Check
The frequency of maintenance for the unit varies considerably, depending on how it has
been used or circumstances on the system.
Regarding the following check items, please set up plans and implement regularly
according to the circumstances.
9-1.Maintenance
Please check up the following items at least once a day while its operation.
（１）
If any oil leakage from the connecting part on the vacuum pump.
（２）
If any oil leakage from the connecting hose, pipes, or the main unit.
（３）
If any abnormal noise from the pump.
If any trouble, follow the instructions written on the “Trouble-check List.”
