22
WIKA operating instructions SF
6
gas filling cart, model GFU08
14033074.01 11/2018 EN/DE/FR/ES
EN
6. Commissioning, operation
■
Protect the gas cylinder valve by an appropriate valve protection.
■
To test the leak tightness, a model GIR-10 leak detector or a comparable leak
detector must be used.
■
Close the outlet valve at the pressure reducer.
■
After opening the gas cylinder valve, the initial pressure is available at the pressure
reducer.
6.5 Filling and refilling of SF
6
gas
6.5.1 Connecting the filling hose
Establish a gas-tight connection between the SF
6
gas filling cart and the gas
compartment to be filled using the filling hose included.
6.5.2 Adjusting the pressure reducer
Use the pressure setting handle to set the pressure reducer to the desired output
pressure. For this, read the pressure on the output pressure gauge.
6.5.3 Weighing the quantity of the filled SF
6
gas (models GFU08-W and GFU08-C
with scales)
CAUTION!
Place the gas cylinder without the shunt forces of the fastening elements
(ratchet strap or chain) on the scale plate.
Secure the gas cylinder against falling over!
Place the SF
6
gas filling cart level on solid ground in order to make a precise weight
measurement.
Correct position of the gas cylinder on the scale plate:
