Fronius MTG 250i Bedienungsanleitung Seite 44

1
Checking the
clamping nipple
* Check the clamping nipple before commissioning and whenever the inner liner
is changed. To do so, carry out a visual inspection:
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NOTE!
Incorrect or defective clamping nipple in push applications
Causes gas loss and poor weld properties
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44
Push
with sealing
Left: brass clamping nipple with seal ring. You cannot see through the seal
ring.
Right: silver clamping nipple with see-through bushing
use brass clamping nipples to minimise gas loss
check that the seal ring is intact
Push-Pull
without sealing