To check that the dispenser is operating correctly:
1. Fill two gas bottles.
2. Check that:
- The bottles fill to the desired pressure.
- The dispenser fills to the preset value.
- The displays and gauges are working.
Checking the Sealing of the Solenoid
- De-gas the hose by opening the 3 way valve.
- When the hose is empty check that the flow has stopped. If the flow does not stop,
the seals in the final stage solenoid will need to be replaced.
Checking the Setting and Sealing of the Regulator
Before you start, make sure you have:
An 8mm hex key
NOTE: When you are undertaking this check, the dispenser must be turned on and
pressurised.
To check the setting and sealing of the regulator:
- Hang up the nozzle and check that the three-way valve is closed.
- Press the start button to initiate a fill and open the solenoids.
- Check that the pressure gauge is at the setpoint reading (typically 200 bar).
- Check that the pressure gauge reads at a steady state, rather than creeping after
a fill.
If the pressure gauge is not reading the correct setpoint:
▪ Insert an 8mm hex key into the top of the regulator body.
▪ Adjust the pressure up clockwise or down anticlockwise to 200 bar.
If the pressure on the gauge does not remain stable, the regulator valve seal is
leaking and will have to be replaced.
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