Manual Sievert TW-5000 (page 7 of 64) (English, German, Dutch, French, Swedish)

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START WELDING

- 7 -

OPERATION

IMPORTANT! Always perform sample welds before welding actual production membrane to

ensure proper setting of temperature, air ow and speed. See test and control of welding seam.

▪ If you are welding at an angle,

adjust the front wheels by turning the

front wheel adjustment knob located

at the base of the frame until you

achieve proper, straight movement of

the machine.

▪ Release the welding nozzle with the trigger, then lower and guide it to the

left underneath the overlapping membrane until it locks. The machine will start

automatically when the nozzle is in its locked position. For instruction on how

to stop the machine, please see section on “Stopping the machine and cooling

down”. If the automatic system is failing, you can start and stop the machine

manually with the run button.

The machine is equipped with adjustable front wheels to avoid sliding when welding at different angles.

The front wheels are preset in the factory for welding in a horizontal position.

TEST AND CONTROL OF THE WELDING SEAM

Always conduct test welds before you begin any

job. Materials will vary between manufacturers

therefore the machine settings will vary as well.

Always check with the material manufacturer for

the proper specications and machine settings

for their material. It should be noted that ambient

temperature plays a large part in the machine

settings. The warmer it is outside the faster you

can run the machine. If you are welding in cold

climates, you will have to slow the machine and

increase the temperature. Additional weights for

the machine are available to add if needed. Start

your test weld without the weights and add them

accordingly until you achieve an optimum weld.

Set the machine´s temperature, speed, and weight

according to the manufacturer’s specications and

environmental/ambient conditions. Run test welds

and take samples before production welding.

Test the welds to ensure that the tests are within

manufacturer specications. Save the test samples

for proof that you conducted test welds before you

started the job. Test welds should be done again

if the environmental/ambient conditions change

during the day.

By means of visual inspection you can check the

quality of the welds. The material must be welded

all the way to the edge of the overlap. This can be

checked with a probe tool, similar to an awe. Run

the probe along the seam to test the integrity of your

welds. With PVC you will nd a bead of PVC that

has formed along the seam, called bleed through.

This is acceptable and indicates a proper weld, as

long as it is not darkened or shows any burning.

With TPO materials you will not see this bead.

What would keep the tw 5000 from powering the display besides the power source. Submitted on 21-2-2023 at 05:38
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Sievert TW-5000 Manual

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