49
I N S T A L L A T I O N
E N
5.7
Protective gas connection
▷
Connect the gas regulator/gauge to the protec-
tive-gas cylinder.
▷
At the bottom left of the furnace rear wall,
insert the protective gas hose into the gas con-
nection. The resistance of the seal must be
overcome, in order to ensure tightness against
leaks.
Fig. 18
▷
Connect the other end of the gas hose to the gas
regulator/gauges of the protective-gas cylin-
der. For this, insert the protective gas hose into
the push-in connection by turning and pushing
in, until the resistance of the seal is overcome.
Fig. 19
▷
Completely open the right-hand valve on the
pressure reducer.
To check the gas hose's tightness against leakage:
▷
Open the gas cylinder and gas regulator/gauge.
▷
Widely pivot/move about the gas hose at the
gas regulator/gauge.
There should not be any hissing noise whatso-
ever.
1.
2.
Содержание 178740-STM
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