DuoControlLeak test
50 EN
50020-00984 ∙ 00 ∙ 08/2022
Screw the high-pressure hose onto the cylinder valve of the full
gas cylinder with the screw aid�
Open the cylinder valve of the gas cylinder�
If available, press the hose rupture protection on the high-pres-
sure hose�
If necessary, press the black reset button on the gas pressure
regulator and gently turn in an anti-clockwise direction�
After any intervention, check the high-pressure hose connection
on the cylinder valve for leaks (see the “Checking for leaks in the
high-pressure section” chapter)�
5 Leak test
5.1 High-pressure section
The leak test of the high-pressure section can be performed by the
user�
The high-pressure hose is screwed onto the cylinder valve and onto
the gas pressure regulator or gas filter� Gas can escape at these
unions�
The user is responsible for the test�
After each gas cylinder or high-pressure hose change, check the
unions in the high-pressure section with a leak-finder spray in
accordance with EN14291�
Check and replace the flat gaskets if they are leaking� Consult a
specialist workshop if necessary�
5.2 Low-pressure section
WARNING
Risk of fire or explosion hazard
If the leak test is not performed properly on the low-pressure
section, leaks may remain undiscovered�
Only have the gas system checked by an expert�
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