STP-H600/H1000 Series Instruction Manual
5.3 Start Procedures
Start the auxiliary pump before or simultaneously with start of the STP pump.
Open the vacuum valve located at the outlet port flange side after starting the auxiliary
pump.
NOTICE
DO NOT open the vacuum valve without operating the auxiliary pump.
Doing so may cause a reverse flow of oil, which could contaminate the inside of
the STP pump.
5.4 Stop Procedures
Close the vacuum valve located at the outlet port flange side just before or after stopping the
STP pump.
After closing the valve, stop the auxiliary pump.
A
TI
N
DO NOT stop the auxiliary pump without closing the vacuum valve. Depending
upon the type of the auxiliary pump, doing so could cause a reverse flow of
atmospheric air into the STP pump, which may result in a malfunction.
NOTICE
DO NOT stop the auxiliary pump without closing the valve.
Doing so may cause a reverse flow of oil, which could contaminate the inside of
the STP pump.
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