BAK LarOn H, Operating Manual

BAK Thermoplastic Welding Technology AG 

4 

GUIDE ROLLER ADJUSTMENT 



Bring the automatic welding machine into the welding position.  



Push the transport roller to the right in welding position, take care that the spring sheet 
engages.  



Push the guide roller downward and fix it with the hexagon nut on the threaded bar. 



Outside edge of the overlap, outside edge of pressure roll and outside edge of guide roller 
must form a line. Please refer to the sketch below: 

START UP OF THE WELDING MACHINE 



If it is not possible to start the motor, a reset is needed. 

o

Reset: Turn off main switch – wait for 3 seconds – Turn on main switch 

 
Before connecting the tool to the mains supply please check that: 

-

Main switch is on pos. 0  OFF. 

-

Drive switch is on pos. 0. 

-

Heating switch is on pos. 0. 

-

Potentiometer of the air flow is on pos. 0 (100%).    

-

The hot air blower is on pos. stand by (lifted up). 

-

Put the plug into the socket. 

-

Put the main switch on pos. 01. 



The tool now heats up to the last selected set temperature.  

 
CONTROLLER ADJUSTMENT 



Select on the potentiometer the desired welding speed.  



On switching position ON the drive starts immediately and is constantly running. 



On switching position AUTO the drive starts only after sliding the nozzle into the 
welding seam and stops immediately after taking out the nozzle.  



To separate the automatic welding machine from the electric system, change the main 
switch to “OFF” und unplug the mains plug. 

Actual temperature 

Upward button 

Downward button  

Temperature

unit

Set temperature