Cleaning And Maintenance - Asist AEIW140-DC3 Instrucciones De Uso

This could cause serious damages to the equipment.
In between welding, put the electrode holder aside in
a way preventing injuries or short-circuiting between
the object being welded.
USE OF ELECTRODES (rutile and basic) For less-
-experienced welders, we recommend to use the rutile
electrode. It may be connected much more easily and
maintains the arc well. This electrode is connected to
the negative inverter pole. The grounding clamp of the
object being welded is connected to the positive in-
verter pole.
Specifications 1,6
Ø
Current 30-50 A
For experienced welders, we recommend the basic
electrode. It is more sensitive for overloading by the
welding current and requires a short arc. However, it
produces a thickly flowing metal and a good meting
bath. This electrode is connected to the positive inver-
ter pole. The grounding clamp of the object being wel-
ded is connected to the negative inverter pole.
Specifications
Current
The electrode diameter must be selected with respect
to the type and characteristic of the welded material.
The welding current depends on the diameter of the
used electrode, material thickness, weld shape and
the welding method. A lower current means a lower
welding depth with a smaller amount of melt. A higher
current means a higher welding depth but also a higher
amount of poorly controllable melt. When welding in
heights above your head and in similarly difficult posi-
tions, use a lower current.
The welding speed should be such that the weld seam
is at least as wide as the electrode diameter. At a low
welding speed, the weld is too wide; at a high speed,
it is not sufficient.
The electrode end should be directed at a small distan-
ce above the material. In the distance approximate to
the thickness of the electrode core. A long arc causes
a low welding depth and significant splashing of the
welding metal.
A short arc causes excessive metal accumulation.
The angle of inclination between the electrode and
materials being welded should be the same; however,
it may be changed depending on the shape of the ma-
terials being welded. The electrode should be inclined
very slightly against the material. When welding wit-
hout the inclination, the slag gets ahead of the welded
joint.
PROBLEMS YOU MAY FACE DURING WELDING
Welding may be affected by various factors. Welding
materials, environmental and power supply factors.
The user must try to comply with all conditions nece-
ssary for welding.
2,0 2,5
Ø Ø
40-60 A 60-85 A
2,0 2,5
Ø Ø
45-70 A 65-85 A
A. Arc welding - essential conditions:
1. Ensure a high quality of electrodes (tip conditions,
etc.)
2. If the electrode is not dry, it causes a low-quality arc,
the number of damaged joints increases and simulta-
neously the quality suffers.
3. If you use an excessively long extension cable, the
voltage supply decreases.
B. The output electric current has no determined value:
If the voltage supply value differs from the determined
value, it results in deviation of the output electric cu-
rrent from the determined value.
C. The electric current is not stable during the equip-
ment operation: The following factors are responsible:
1. The mains voltage has changed.
2. Harmful interferences from the electric network or
any other equipment are present.
d. Too big drops are formed during welding:
1. Too high electric current for the respective electrode
diameter.
2. The connection polarity of the output clamp is not
correct. Reverse polarity is necessary.

CLEANING AND MAINTENANCE

! Before cleaning and maintenance, always disconnect
the supply cable from the socket.
Store the equipment in a dry place away from children.
1. Clean the inverter regularly by a dry and clean cloth.
If the equipment is operated in an environment pollu-
ted with smoke and with polluted air, it must be clea-
ned every day.
2. Compressed air may be used for cleaning. But be
aware of its high pressure to prevent damages to small
parts inside the machine.
3. Prevent soaking with water. Nevertheless, if it has
accidentally happened, wipe the interior of the equip-
ment dry and contact our service centre.
TECHNICAL DATA
Input voltage
Input frequency
Rated power
Nominal input current
No-load voltage
Welding current range
Nominal output voltage
Working cycle
Electrodes max.
IP protection
Weight
Protection class
Subject to changes.
ENVIRONMENTAL PROTECTIONWASTE MANAGE-
MENT
58
AEIW140-DC3
230 V
50 Hz
5,9 kVA
23.2 A
69 V
10-140A
25.6
140 A/80%
Ø 1.6-3.2
IP 21S
3,3 kg
I.