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3.3 Vacuum tubing
(1)
Clean inner surfaces of vacuum vessel, tubing and valve. Then, after
eliminating water moisture, small particle, dust or rust carefully, connect
tube to the pump.
If evacuating small size powder or dust particle, vacuum pump may cause
trouble.
(2)
Install the shut off valve (A) and the pump vent valve (B) in between the
pump inlet port and the vessel as shown in Fig-4.
Fig-4 Vacuum pumping system diagram
(3)
Vacuum tubing between inlet port and another port is provided with vacuum
rubber hose.
Do not eliminate mesh-filter for preventing different objects come into
the inlet port of the pump.
3.4 Electric wiring
(1)
This pump has performed beforehand electric wiring by the side of a pump.
(2)
Plug the power wire cord in the power outlet of 100V, single phase.
(3)
The over-load protector (thermal protector, Automatic reset type) is
provided for this pump.
C
h
a
m
b
e
r
(A)
Shut off valve
Vent valve
(B)
Pump
