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The ATL Refuelling Bowser has been designed and developed to ensure safe refuelling of any vehicle at
The system incorporates many safety shut-off functions to ensure any risk is removed during the
refuelling process while still allowing fast and efficient use. These safety systems are:
Bowser tank over pressure shut-off (50mBar).
Fill over pressure shut-off (default 350mBar – user adjustable up to 1Bar).
Bowser tank overfill protection.
Fill speed adjustment.
The Bowser also includes an ATL Safety Fuel Cell for the ultimate protection.
Battery – the battery is stored within the front door of the unit, held by a metal bracket that is part of
the chassis. The battery is connected via an Anderson Plug.
The battery should be removed from the Bowser for charging and must be disconnected when in
Controls – all controls are conveniently located on a single panel inside the hatch on the top left side of
Powering On / Off – is done using the “emergency stop” button on control panel.
Speed – controls the speed of delivery to or from the unit. The speed of delivery is limited to ensure
safe delivery at maximum flow up to the point of the car tank becoming full.
Display – this
includes buttons to scroll between:
used during fill / drain operations (unit defaults to Nett when powered up)
always displaying the mass of fuel in the Bowser
to zero the Nett mass
to allow switching between vehicles when using the Data Logger
Flow Switch – to control direction of flow. Green LED’s illuminate when the Bowser is ready to pump in
either direction. The Amber LED flashes while Bowser is not in a condition to allow flow. Only when the
Amber LED is on continuously can pumping begin.
Pump – depressing the button begins pumping until the button is released unless in auto-dispense
mode. In auto-dispense mode the pump will stop automatically when the set amount is delivered.
Screen Brightness – is set with a long hold of the second button from the left. Pressing the button again
scrolls through the brightness options. Once the desired setting is selected a short press of the “OK”
(car) button stores the setting.
Connections from / to Bowser – there are three connections that must be made each time the Bowser
is used to transfer fuel and these connections must be made in the following order
1. Ground – The ground (earth) wire should be connected to the vehicle or refuelling drum.
2. Vapour – The vent must be connected before the fill to equalise system pressures.
The Bowser must not be used without a vent line connected!!!!
Drum Wand – this wand should be utilised at all times and sealed fully into the fuel drum whenever
filling the Bowser. There should be no need to open the drum vent. Both Vapour and Fill hoses must be
connected. The ground should be connected to a non-painted surface of the drum.
When transferring large volumes of fuel from to the Bowser in a fully closed loop state, the Bowser tank
may reach a pressure greater than the 50mBar over pressure cut-off. This is indicated by the bowser
stopping pumping and a pressure reading being displayed on the display.
All presure readings are displayed in mBar (millibar).
To continue pumping the pressure relief valve on the Drum Wand should be depressed until all pressure
is relieved. This should be done in a controlled environment away from any sources of ignition.
Storage – the Bowser should be stored sealed and empty from fuel.
Filling the Bowser
- The Bowser can only be filled when the flow switch is in the “To Bowser” position, the Green LED is
illuminated and the Amber LED remains solid.
- The over pressure function as described in the “Drum Wand” section of these instructions should be
- If the Bowser tank is over full the same error will be displayed as described in the “Drum Wand”
section of these instructions. In this situation the Bowser will allow you to pump “to car”.
Filling the Vehicle
- The Vehicle / Drum can only be filled when the flow switch is in the “To Car” position, the Green LED
is illuminated and the Amber LED remains solid.
- For accurate filling the Fuel hose must be purged utilising the Drum Wand. The hose fuel mass can be
recorded on the Quick Start guide on the unit itself.
- The over pressure function is built in to protect the vehicle tank. This is dependent on the dry-break
couplings being used but as default is set to 350mBar. This value allows the vehicle to be filled
completely at full speed via Staubli SPT12 couplings with zero leakage from a 200mBar PRV on the
vehicle tank when the vehicle tank becomes full. This can be changed by a short press of the two left
hand display buttons.
If your unit is fitted with the optional temperature sensor, press and hold the right hand button on the
display to display the current fuel temperature.
All units allow display of the current pressure, measured in the fill line, press and hold the left hand
button on the display to display the current fuel line pressure.
- Calibration should be carried out annually. For a calibration procedure please contact
- The fuel bladder should be inspected every five years. It is recommended that the whole unit be
returned to ATL.