5.3 Insulation silicone plugs
14
13
5.4 Adjusting the contact pressure weight
5.5 Welding nozzle
Risk of burning!
Do not touch heating element tube and nozzle when they are hot. The device should always first be
allowed to cool down!
The following is the basic setting of the welding nozzles of your HEMTEK ST.
Piping guide tube
+
−
A
26 mm
Distance to drive axis
B
2 mm
Nozzle overlap
C
1 mm
Height offset
Piping guide tube is only used for welding
piping. For hems and open hems, this pipe
is sealed using the silicone plugs (13).
This plug prevents hot air from being blown
through the piping guide tube.
Shifting the weight grip can be used to
adjust the effective load of the contract
pressure wheel. Shifting the mass down-
wards reduces the contact pressure, shifting
it upwards increases it.
Contact pressure in position shown approx.
150 N.
23