10 Operation
10.3 During operation
10.3 During operation
10.3.1
Checking the operating pressure
Personnel qualification:
o
Trained personnel
bar
bar
Fig. 16: Pressure gauge shut-off valves closed/open - principle diagram
ATTENTION
Leak in the pressure gauge through permanently opened pressure gauge shut-off valve.
► Close the pressure gauge shut-off valve immediately after completing reading.
1.
Open the pressure gauge shut-off valve.
2.
Read the operating pressure and close the pressure gauge shut-off valve.
10.3.2
Adjusting the overflow valve
See the operating instructions of the pump for information on setting the overflow valve.
10.3.3
Setting the pressure maintaining valve
Personnel qualification:
o
Trained personnel
Aids:
o
Allen key
CAUTION
Damage to the overflow valve of the pump through permanent opening.
► The maximum pressure: of the pressure maintaining valve must always lie under the opening pres-
sure of the overflow valve.
T
P
T
P
B
A
C
1.
Remove the screw plug
A
.
2.
Switch on the station and set the desired pressure by turning the setting screw
C
. If a pressure
gauge does not exist on the system side, this can be connected to the pressure gauge
connection
B
.
3.
Screw the screw plug
A
back in.
26
OIK 10en-GB Edition 2021-06
Operation instructions
