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4. OPERATION AND MAINTENANCE
©2014 Kraus Global Ltd.
30 Retail CNG Dispenser Manual
4. OPERATION AND MAINTENANCE
4.1 Filling procedure
The following is the procedure for filling CNG approved vehicles with
the Retail CNG dispenser. Ensure all users observe the guidelines
described in Section 2.2 and adhere to this procedure when fueling.
ADVICE
Ensure all personnel, including users, are aware of emergency shut-down
buttons prior to operating CNG fuel dispensers.
1. Ensure the vehicle is in “park” or the parking brake is applied,
and the vehicle ignition is turned OFF.
2. Inspect the vehicle’s receptacle and the dispenser hose and
nozzle. Do not proceed with fueling or allow further use of the
dispenser if any damages or signs of tampering are found; you
may contact our Technical Support Department for further
assistance: 204-663-3601,ext. 212.
3. Remove the dust plug from the vehicle’s CNG receptacle.
4. Lift the refueling nozzle from the holder.
5. Connect the refueling nozzle to the vehicle receptacle.
6. Follow the prompts on the POS display; you may be required to
complete a payment transaction before a fill can be authorized.
7. Turn the valve on the nozzle to FILL .
8. Flip the authorization handle up to the ON position; fueling will
begin after a three-second beep.
ATTENTION
Note the following during gas delivery:

Gas delivery may create a loud whining sound. This is due to the
pressure differential between the dispenser and the vehicle’s storage
bank. This is normal and is not a cause for concern.

There may be noticeable pauses as the dispenser accesses multiple
storage banks; delivery is not complete until the dispenser beeps for
three full seconds.
9.
Flip the authorization handle back down at the end of delivery; a
three-second beep will signify the end of delivery.
10. Turn the valve on the nozzle to VENT. This will vent a small
amount of gas into the atmosphere and allow you to disconnect
the nozzle.
11. Replace the nozzle onto the holder.
12. Replace the dust plug into the vehicle’s CNG receptacle.