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PNEUMATIC NOTCHING TOOL OPERATIONS´ MANUAL
Pay attention that both stopping faces fit closely to the duct wall. Pull the trigger (36). The upper cutter
moves downwards and makes the notch. When you release the trigger, the cutter will go back into its origi-
nal position.
Caution: Make sure that your other hand is away from the cutting head when pulling the trigger. Danger of
injury!
Now check the depth of the notch. It should correspond exactly to the sheet metal thickness. If the notch is
deeper, it will cut into the sealing lip of the flange. If the notch is not deep enough, there is a danger that,
under load, the flange ring slips over the notches.
A
Rohr innen
B
Inside the duct
Intérieur de la gaine
A.
AF and BF 20-45
AF and BF 50-90
AF and BF 100-160
B.
Approximately 4 times the sheet metal thickness
C.
Sheet Metal Thickness
D.
One time the Sheet Metal Thickness
The exact depth of the notches can be regulated with the hexagonal socket screw at the front of the cutting
head. If you turn the screw clockwise, the notch gets deeper; if you turn the screw counter-clockwise, the
notch gets less deep:
When the notching tool is regulated properly, you can start making notches into the duct wall at an interval
of 80 mm for the medium and large flanges, and 30 to 50 mm for the smaller diameters. While working, you
should check from time to time if the depth and the quality of the notches are appropriate.
2017-07 Gebrauchsanweisung PNZ Nockenzange / PNZ Operations Manual / Mode d´emploi de la PNZ
C
D
= 7 mm
= 9 mm
= 15 mm
8
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