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6.1.5. DEPRESSURIZING OF LPG DISPENSER
Before any service intervention in the LPG hydraulic module (e.g., replacement and/or cleaning of the
inlet strainer, repair or replacement of the LPG meter, dispensing hose, dispensing nozzle ...), it is
necessary to "depressurize" it, i.e., to drain the medium from the pressure module. The manufacturer
recommends the following procedure:
Close the LPG liquid phase inlet ball valve (1).
Start fuelling by pressing START button (ON/OFF switch). Error 51
stops the dispenser (low differential pressure). Repeat fuelling for
the second nozzle (E51). Hang up both nozzles and close auxiliary
ball valve (5) and the LPG vapour phase outlet ball valve (2).
Drain the rest of medium from LPG module by slow opening of
auxiliary ball valve (5).
1.
3.
5.
TATSUNO EUROPE a.s., www.tatsuno‐europe.com
Connect nozzle (3) to the auxiliary connector for return LPG outlet
(4) and open auxiliary ball valve (5) located behind the check
valve (6). Open the LPG vapour phase outlet ball valve (2).
Switch off power supply of the dispenser at main station
switchboard and unscrew the check valve (6)
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2.
4.
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