BAK proton, Operating Manual

Page: 6 / 12

BAK Thermoplastic Welding Technology AG 6
Welding procedure

Adjust the welding parameters (see page no. 4)

Wait until the hot air tool has reached the adjusted temperature.

Guide and position the welding machine onto the overlapped geomembrane
liner or film.

Switch on the drive motor with the rocker switch.

Engage the nozzle onto the overlapped geomembrane liner or film.

Push down the toggle lever.

Check the welded seam (wash/seam thickness reduction). Eventually adjust
the welding speed with the potentiometer.

Guide the welding machine along the overlap.

1cm before the end of the welded seam, release the pressure lever.

Engage the nozzle

Switch off device motor.
ASSEMBLY
ATTENTION
ALWAYS unplug the device before working on it!
Changing the heating element (only when the device has cooled down)

Swivel out and lock the hot air system

Loosen four screws at the flange of the nozzle

Pull off the nozzle

Pull off the mica tube (careful, fragile)

Remove the gasket

Pull off the defective heating element

Insert the new heating element - observe marking, voltage and power rating

Slide on the mica tube

Slide on the gasket and position the boreholes

Slide on the nozzle and fix with 4 screws

Readjust the nozzle
MAINTENANCE

Clean the nozzle with a wire brush at the end of welding.

Clean the drive/pressure rollers with a wire brush.

As required, treat the chain with a suitable spray.

After use, always check that the mains cable and plug are not damaged.