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Просмотр инструкции сварочного оборудования Fubag TR 300, страница 7
5. Welding perationo
ATTENTION
Attention!
: To properly operate the welder can assure the welder to work
satisfactorily and can prolong welder's operating life. When using the welder, please
make sure there is a good connection of input, output and earth (ground) before
connecting the power source.
- After the welder's power is connected, the current regulation switch
needs to shift to the required position until the needed welding
current is obtained before operation.
- Before conducting welding work, make sure that the rust, paint,
varnish are thoroughly cleaned up of the work piece.
- Only when the electrode burns up to 2 3 cm away from the electrode
holder does it become necessary to replace it with a new one in
order to proceed with welding.
- Rotate the hand-wheel clockwise to increase the current. Rotate the hand-wheel in anti-
clockwise, to decrease the current.
Only until the slag cools off and becomes hardened can the removal work starts.
To avoid the slag injuring people, never point at the nearby people when you remove slag.
Before operation it is required to read carefully the instruction manual on the packing of electrodes
for right choose of the current and polarity.
Remember that for the same electrodes the higher current is used for welding on the floor and at the
same time the lower current for welding vertical or overhead.
Mechanical characteristics of the welded joint as well the current intensity are defined by electrodes
diameter and quality, arc length, operation speed and position of the electrode concerning the work
piece as well by correct storage of electrodes to be protected from humidity.
After welding parameter choosing it is required to choose the duty cycle of the machine.
While welding, duty cycle should be less than rated data, otherwise over-load will accelerate the
component ageing, short the welder life and burn out the welder. Additionally, there is over-heat
protection relay inside the welder, when temperature surpass one data, the relay will work and cut
off the power. While relay is working, the light on the panel will lighting.
-
: In case the value of current reaches its minimal and maximal value, turn the handle smoothly
to avoid damage of the regulator.
After using each welding rod, remove slag with a special hammer and brush,
thoroughly check the quality of welded part joint.After that continue welding if necessary.
-
-
ATTENTION: Electrode burns at high temperature. Please do not use hand to replace it.
The replaced electrode end should be placed in a metal container.
Do not use the electrode holder to clamp the electrode coating.
:
and cut off the power. While
relay is working, the light on the panel will lighting. After the over-heat protection has been activated
and till the repeated switched on of the welder it is necessary to find out and exclude the reasons led
to over-heating of the welder.
NOTE
ATTENTION!
NOTE
ADJUSTMENT
WELDING CURRENT
MAX
MIN
Omperator's anual
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