Operating condition
• As required, fit the relevant
welding shoe (1)
according to instructions for change
of welding shoe.
• Connect the tool to the mains.
• Switch on the tool at
main switch (13)
.
The Software version will appear on the
digital display ACTUAL value air temper-
ature (20)
.
• Adjust the desired values for air and extrudate temperature.
–
Potentiometer air temperature (22)
,
digital display SET value air temperature (21)
.
–
Potentiometer extrudate temperature (19)
,
digital display SET value extrudate
temperature (18)
.
– Set the rod feed to position 2.
•
Warning
– Choose appropriate temperature to avoid over-heating of the welding rod.
– Over-heating of the extrudate inside the tool can cause a fire !
• The rod feed will not start (tool protection) until the set temperature of the whole
extrudate material has been reached.
• Until the rod feed is released, the digital display will flash showing the
SET value
air temperature (21), SET value extrudate temperature (18), ACTUAL value air
temperature (20) and ACTUAL value extrudate temperature (17)
.
• After reaching the SET temperature,
digital display ACTUAL value extrudate
temperature (17)
and after flashing has stopped, the welding procedure can be
started.
– The pre-heating time needs to be extended depending on the materials and
environmental conditions after the rod feed has been released.
– Note : The material in the
welding shoe (1)
must be plastizised.
• Remove the protruding extrudate in the
welding shoe (1)
with a pair of pliers by
pulling slightly.
Welding procedure
• By pressing the
rod feed switch (14)
the rod feed for the welding rod is switched on
(self-locking).
– Renewed pressing of the
rod feed switch (14)
, will switch off the rod feed.
• Start up the tool using the
rod feed switch (14)
, and let a little plastizised material
feed through.
• Adjust the desired rod feed speed by the
potentiometer welding rod feed
speed (23)
(depending on the seam geometry).
• Switch off the extrudate feed by using the
rod feed switch (14)
.
• Point the
pre-heating nozzle (5)
at the welding area.
• Pre-heat the welding area by using a swinging motion.
• Position the tool onto the prepared welding seam and activate the
rod feed
switch (14)
.
• Do a test weld.
• Adjust the setting as required.
• CAUTION:
If the
digital display SET value air temperature (21)
is set higher than the d
igital
display SET value extrudate temperature (18)
and the tool has been running for
some time without the rod feed, the
digital display ACTUAL value extrudate
temperature (17)
will have risen even though no adjustment on the
SET value air
temperature (21)
has been made. This operating condition should be avoided as
the extrudate will decompose thermally. By activating the rod feed via the
rod
feed switch (14)
and by adding the welding rod, the extrudate temperature will
adjust to its SET value again.
•Let the tool cool down after use.
3
OPERATING
LEISTER WELDMAX Hand Extruder
