Lo
Hi
Vacuum Pumping
1. Remove the valve caps on the
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WKHQXWRIUHIULJHUDQWFKDUJLQJ
vent.
2.
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UHIULJHUDQWFKDUJLQJRIPDQLIROG
JDXJHWRWKHUHIULJHUDQWFKDUJ
-
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-
ant valve and then connect
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vacuum pump.
3.
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-
pletely and operate for 10-15
min to check if the pressure
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-0.1MPa.
4. Close the vacuum pump and
maintain this status for 1-2
min to check if the pressure
RIPDQLIROGJDXJHUHPDLQVDW
Leak Detection
1.
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&KHFNLIWKHUHLVOHDNDJHZLWKOHDNDJHGHWHFWRU
2. With soapy water:
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-
tion. Apply soapy water at the suspected leak location and keep it there for
more than 3min. If you see air bubbles, there is a leak.
Liquid Valve
Gas Valve
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&KDUJLQJ9HQW
5HIULJHUDQW
&KDUJLQJ
Vent Nut
Piezometer
Valve Cap
Vacuum Pump
Allen
Wrench
Close
Open
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5.
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FRPSOHWHO\ZLWKKH[DJRQZUHQFK
6.
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7. Reinstall the handle.
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