John's Tech Tips
This section is designed to provide our customers with some quick tips for common problems they may encounter with their tools. Our tips come straight from John Wesselson, our repair technologist.
Automatic Tools
ASTRO
BITUMAT/BITUMAT B2
COMET
GEOSTAR G5/G7
GROOVER
HEMTEK ST/K-ST
General Tips
Basic setting of the welding nozzle without calibration device
Basic setting of the welding nozzle with calibration device
Adjusting the guide
Adjusting the contact pressure weight
Setting and adjusting table fastening
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Basic setting of the welding nozzle without calibration device
Basic setting of the welding nozzle with calibration device
Adjusting the guide
Adjusting the contact pressure weight
Setting and adjusting table fastening
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
MINIFLOOR
SARNAMATIC
TRIAC DRIVE
TWINNY S/T/T5/T7
UNIDRIVE
General Tips
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
Correct pressure on the pressure roller
Setting the parameter units from °C to °F
Correct welding and detail connection welding straight
Incorrect correction of the welding direction
Correct handling in case of change welding direction
Correct device guidance
Adjusting 40mm nozzle
Nozzle adjustment 30-40mm and support wheel setting
Wrong insertion of the nozzle
Cool down the UNIDRIVE 500
Overlapp attika welding
Cleaning nozzle with brass brush
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
Correct pressure on the pressure roller
Setting the parameter units from °C to °F
Correct welding and detail connection welding straight
Incorrect correction of the welding direction
Correct handling in case of change welding direction
Correct device guidance
Adjusting 40mm nozzle
Nozzle adjustment 30-40mm and support wheel setting
Wrong insertion of the nozzle
Cool down the UNIDRIVE 500
Overlapp attika welding
Cleaning nozzle with brass brush
UNIFLOOR
UNIPLAN E/300/500
General Tips
UNIPLAN E Tech Tips
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
UNIPLAN 300/500 Set-up of hem guide
UNIPLAN 300/500 Mount additional weights and weight holder
UNIPLAN 300/500 Adjusting the starting delay
UNIPLAN 300/500 Changing the welding width
UNIPLAN 300/500 Setting of floating nozzle
UNIPLAN 300/500 Keder kit welding
UNIPLAN E Tech Tips
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
UNIPLAN 300/500 Set-up of hem guide
UNIPLAN 300/500 Mount additional weights and weight holder
UNIPLAN 300/500 Adjusting the starting delay
UNIPLAN 300/500 Changing the welding width
UNIPLAN 300/500 Setting of floating nozzle
UNIPLAN 300/500 Keder kit welding
UNIROOF E/ST/AT
General Tips
UNIROOF E Tech Tips
The UNIROOF AT Control Panel
Radius Welding with the UNIROOF
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
How to Change a Red Tire on a Leister Automatic Welder
How to Change a Lock Pin on the VARIMAT, UNIROOF, or BITUMAT
Checking your Power and Extension Cords
UNIROOF E Tech Tips
The UNIROOF AT Control Panel
Radius Welding with the UNIROOF
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
How to Change a Red Tire on a Leister Automatic Welder
How to Change a Lock Pin on the VARIMAT, UNIROOF, or BITUMAT
Checking your Power and Extension Cords
VARIANT T1/T1 TAPE
VARIMAT/VARIMAT V/VARIMAT V2
General Tips
VARIMAT Tech TipsHow to Change a VARIMAT Element
How to Repair the Hold-Down Assembly of a Varimat
How to Check and Correct the Nozzle Position on a VARIMAT
How to Change a Lock Pin on the VARIMAT, UNIROOF, or BITUMAT
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
VARIMAT Tech TipsHow to Change a VARIMAT Element
How to Repair the Hold-Down Assembly of a Varimat
How to Check and Correct the Nozzle Position on a VARIMAT
How to Change a Lock Pin on the VARIMAT, UNIROOF, or BITUMAT
How to Change a Red Tire on a Leister Automatic Welder
How to Build an Extension Cord for your Leister Automatic Tool
How to Change Carbon Brushes in Leister Tools
Checking your Power and Extension Cords
Extrusion Welders
FUSION
General Tips
Wiring Instructions
Changing a Welding Shoe on a Leister Extrusion Welder
How to Clean the Welding Shoe on an Extrusion Welder
How to Change Carbon Brushes in Leister Tools
Changing a Welding Shoe on a Leister Extrusion Welder
The FUSION is not producing the correct heat
How to Build an Extension Cord for your Leister Tool
Checking your Power and Extension Cords
Wiring Instructions
Changing a Welding Shoe on a Leister Extrusion Welder
How to Clean the Welding Shoe on an Extrusion Welder
How to Change Carbon Brushes in Leister Tools
Changing a Welding Shoe on a Leister Extrusion Welder
The FUSION is not producing the correct heat
How to Build an Extension Cord for your Leister Tool
Checking your Power and Extension Cords
WELDMAX
WELDPLAST
General Tips
Wiring Instructions
WELDPLAST Tech Tips
Changing a Welding Shoe on a Leister Extrusion Welder
How to Clean the Welding Shoe on an Extrusion Welder
How to Change Carbon Brushes in Leister Tools
Changing a Welding Shoe on a Leister Extrusion Welder
How to Build an Extension Cord for your Leister Tool
Checking your Power and Extension Cords
Wiring Instructions
WELDPLAST Tech Tips
Changing a Welding Shoe on a Leister Extrusion Welder
How to Clean the Welding Shoe on an Extrusion Welder
How to Change Carbon Brushes in Leister Tools
Changing a Welding Shoe on a Leister Extrusion Welder
How to Build an Extension Cord for your Leister Tool
Checking your Power and Extension Cords
Hand Tools
Industrial Tools
Air Heaters
Hotwind
Vulcan
