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Helicopter mechanics
with model turbine engine
Propane gas connection diagram
The nipple on the propane tank must face up (otherwise liquid gas will flow into the gas lines). It
is not necessary to vent the propane tank, as experience shows that it fills to about the 2/3 mark
even without being vented.
Every time you fill the tank you should apply a little silicone oil (or similar) to the propane filler
inlet to lubricate the O-rings of the female filler connector and the propane valve sealing rings,
as propane/butane gas has a highly de-greasing effect.
Info: when you switch on the receiving system the propane valve opens briefly for about 0.2
seconds.
Important: Complete the connections at the fuel shut-off valve as shown in the drawing, i.e.
the fuel line from the propane filter to the valve must face in the direction of the black heat-
shrink sleeve (on the valve)!
Tip: You will find that the fuel lines can be pushed onto the nipples of the propane valve
relatively easily if you heat the end of the tubing slightly beforehand (with a flame or a heat-gun).
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