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189212 RCD-2
Index C
9.3 VERIFICATION OF THE LPG SYSTEM
The LP system should be tested for leakage before each use in any of the following ways:
- If the LPG circuit is equipped with a pressure gauge:
Before each use, close the appliance valve, open the LPG cylinder valve, allow the
pressure gauge to stabilize, close the LPG cylinder valve, observe the pressure
indicated by the pressure gauge near the LPG cylinder for 3 minutes. The pressure
indicated by the manometer should be constant if there is no leak in the system.
The pressure indicated by the manometer should be constant if there is no leak in
the system. If bubbles are observed in the detector liquid, there is a leak.
NOTE: the pressure gauge gives no indication of the amount of LPG
remaining in the cylinder, but only its vapour pressure, which is a constant
at a given temperature
.
- If the LPG circuit is equipped with a bubble leak detector, use it as follows:
- Carry out a manual search by applying a foaming solution, or soapy water or a detergent
(with the taps of the burners closed and those of the installation and of the gas bottle staying
open). The foaming solutions for detecting leaks in the gas installations conforming to the
EN 14291 meet these requirements.
- If an LPG leak is detected or suspected, immediately take the following measures:
- Do not use LPG appliances;
- Disconnect the LPG supply from the supply valve(s);
- Extinguish all naked flames and other sources of ignition (heaters, cooking
appliances, pilot lights, etc...);
- Do not operate electrical switches;
- Evacuate the area if possible.
NOTE: The leak tests carried out by the boat user do not replace a regular and complete
checking of the LPG circuit by a competent professional.
Regularly observe the bubble leak detector.
OR
Once the installation is under pressure and stabilised, press the
detector push button. The installation is not leaking if bubbles do
not appear in the detector liquid. If bubbles are observed in the
detector liquid, there is a leak.
9
LIQUEFIED PETROLEUM GAS (LPG) SYSTEM