Alfain AXE 250 IN MIG MAN User manual

ALFA IN a.s. © www.alfain.eu AXE 250-320 IN MIG SYN manual EN 07
WELDING MACHINES
AXE 250 IN MIG SYN
AXE 320 IN MIG SYN
INSTRUCTION MANUAL

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CONTENT
1 INTRODUCTION ................................................................................................ 3
2 SAFETY PRECAUTIONS ...................................................................................... 4
3 OPERATING CONDITIONS .................................................................................. 4
4 TECHNICAL DATA .............................................................................................. 6
5 EQUIPMENT ..................................................................................................... 7
6 DESCRIPTION OF THE APPLIANCE ...................................................................... 7
7 BASIC SETTINGS.............................................................................................. 13
8 MMA WELDING COATED ELECTRODE- ELE) ..................................................... 20
9 ROUTINE MAINTENANCE & INSPECTION ......................................................... 20
10 STATEMENT OF WARRANTY ............................................................................ 23
11 DISPOSAL ....................................................................................................... 24
12 WARRANTY LIST ............................................................................................. 24

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1 INTRODUCTION
Dear Consumers!
Company ALFA IN a.s. thanks you for buying our product and believe that you
will be satisfied with our machine.
Welding machine AXE 250/320 IN MIG SYN is IGBT invertor. It is designed for
welding method MIG (Metal Inert gas) and MAG (Metal Active Gas). This is
welding in protective atmosphere. We are using inert (impassive) and active
gases during welding. These methods are very productive and particularly
suitable for the connections of structural steels.
With welding machine AXE 250/320 IN MIG SYN it is possible to weld different
types of connections (blunt, single-sided, double-sided, fillet, lap etc.) using wire
diameter from 0,6 – 0,8 mm, or 1,0 – 1,2 mm of different metals and alloys
(carbon and alloy steels, aluminum alloys etc.).
S
The machine can be used for welding in areas with increased
danger of electric shock. Machines comply with the relevant requirements for CE
marking.
We reserve the law of adjustments and changes in case of printing errors,
change of technical paramaters, accessories etc. without previous notice. These
changes may not be reflected in the manuals for use in paper or electronic form.

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2 SAFETY PRECAUTIONS
PERSONAL PROTECTION
1. For safety reasons, it is necessary to use welding gloves during welding.
These gloves will protect you before intervention of electric current
(open circuit voltage). It protects you against thermal radiation and splashing
drops of hot metal too. Wear sturdy isolated shoes. Do not wear open shoes,
because drops of hot metal can cause burns.
2. Do not look into the welding arc without eye and face protection. Always use
good quality welding helmet with intact protective filter.
3. The persons appearing in the vicinity of the welding must be informed of the
danger and must be equipped with protective equipment.
. During welding, especially in small spaces, it is necessary to ensure an
adequate supply of fresh air, because during welding, harmful fumes arise.
5. In tanks of gas, oil, fuel, etc., (even empty ones) do not make welding,
because there is a chance of explosion.
6. In areas with chance of explosion special provisions are applied.
7. Welding machines that are subjected to great exertion must comply with
specific security requirements. These include the rail pressure of the vessel
etc. These connections may only be carried out by competently trained
welders with the necessary permissions.
SAFETY REGULATIONS
1. Before starting work with welding machine it is necessary to get familiar with
the provisions of the ČSN 050601 and norm ČSN 050630.
2. With a bottle of CO2 or mixed gases should be handled according to the
regulations for working with pressure vessels contained in ČSN 07 83 05 and
norm ČSN 07 85 09.
3. The welder must use protective equipment.
. Before working on the electrical part, removing the cover or cleaning it is
necessary to disconnect the device from the network.
3 OPERATING CONDITIONS
1. Putting the machine into operation can be performed only by trained
personnel and only within the technical provisions. The manufacturer is not
liable for damages resulting from improper use or handling. For maintenance
and repair, use only original spare parts from ALFA IN.
2. Device complies with IEC 61000-3-12.
3. The welding machine is tested according to the degree of protection IP 23S,
which provides protection against the intrusion of solid bodies with a diameter
greater than 12 mm and protection against ingress of water, falling on the
machine in a vertical direction or max degree of 60°.
. Working ambient temperature between -10 and + 0 °C.
5. Relative humidity below 90% at +20 °C.

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6. Up to 3000 m altitude.
7. The machine must be positioned so that cooling air can enter and leave
through cooling vents with no problem. It is necessary to ensure that there
are no mechanical equipment, especially metal particles (e.g. during grinding)
drawn into the machine.
8. Handling handle is intended for movement, it is not designed to lifting the
machine.
9. In case of overheating of the machine welding is automatically stopped and
this condition is signalized by pilot light.
10. All interventions in the el. equipment as well as repair (removal of the plug,
fuse replacement) should be performed by an authorized person.
11. With competent mains voltage and input must match the plug.
12. Do not use the machine for other purposes, such as defrosting pipes,
starter source, etc.
13. It is necessary for welding machine to undergo a periodic inspection every
6/12 months by an authorized officer according to ČSN 331500 and ČSN
050630– see Maintenance and service tests.
1 . The welding machine is designed especially for industrial areas. In case of
using it in other areas there may exist special measures (see EN 6097 -10).
15. The stability of the machine is guaranteed up to 10 ° inclination under the
following conditions:
a. The machine must be secured against rolling away
b. The gas bottle with a maximum height of 0.9 m may be placed and
properly anchored on the platform
16. It is necessary to protect the machine against:
a. Moisture and rain
b. Mechanical damage
c. Draft and possibly ventilation of neighboring machines
d. Excessive overloading – exceeding tech. parameters
e. Rough treatment
f. Chemically aggressive environments
ELECTROMAGNETIC COMPATIBILITY
The welding device is in terms of interference designed primarily for industrial
areas. It meets the requirements of EN 6097 -10 class A and it isn’t designed
for using in residential areas, where the electrical energy is supplied by public
low-voltage power supply network. It can be here potential problems with
ensuring of electromagnetic compatibility in this areas, due to interference
caused by power lines as well as the radiated interference. During operation, the
device may be the source of interference.
Caution
We warn users, that they are responsible for possible interference from
welding.

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4 TECHNICAL DATA
Technical data
AXE
250
AXE
320
Method MIG/MAG MMA MIG/MAG MMA
Mains voltage V/Hz 3 x 00/50-60 3 x 00/50-60
Mains protection A 16 @ 16 @
Max. mains current I1 A 16, 18,2 23, 22,9
Max. effective current I1eff A 12,9 13,0 12,9 12,8
The range of welding. current A 20-250 30-250 20-315 30-300
Open circuit voltage U20 V 5 , 63,1
Welding current (DZ=100%) I2 A 210 190 210 190
Welding current (DZ=60%) I2 A 250 230 250 230
Welding current (DZ=x%) I2 A 60%=2
50
60%=2
50
25%=3
15
15%=3
00
Protection IP 23S
Standards EN 6097 -1, EN 6097 -10 cl. A
Dimensions (w x d x h) mm 7 x 911 x 670
Weight kg 7,6
Wire feed speed m/min 0,5 - 17 --- 0,5 - 17 ---
Spool diameter mm 300 --- 300 ---
Spool Weight kg 18 --- 18 ---
S
The machine marked with this symbol can be used for welding in areas with
an increased risk of electric shock.
The machine structure is designed so that, in any case, even if the failure rectifier
does not exceed the permitted peak value of the open circuit voltage according
to EN 6097 -1, i.e., 113 V direct current or 68 V alternating.

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5 EQUIPMENT
CONTENT OF DELIVERY
1. Rolls for wire with diameter 0,8- 1,0 mm
2. Operating manual
3. Reduction for wire spool 5 kg and 15 kg
. Earthing cable 3m with clamp
5. Hose for gas connection
ACCESSORIES ON REQUEST
1. Pressure reducer
2. Spare parts for the torch
3. Rolls 0,6-0,8; 1,0-1,2 with different groove designs
. Torch ABIMIG 305 délka 3 m – 5 m
5. Torch MIG PARKER SG 2 0 délka 3 m – 5 m
6. Torch PARKER DIGIMIG 2 0 délka 3 m – 5 m
7. Wire cleaner
8. Electrode module
9. UP-DOWN module
NOTICE If you decide to use a different torch than the above, it is
necessary to choose one, according to your current range and load time of the
torch. ALFA IN a.s. is not liable for damage caused by overload welding torches.
6 DESCRIPTION OF THE APPLIANCE
MAIN PARTS
Picture 1 – Main parts of the machine
A1
ON/OFF switch
A2
PCB control panel
A3
Quick connector (+)
A
Quick connector (
-
)
A5
EURO connector

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A6
Wire Feeder
A7
Spool Holder
A8
Solenoid Valve
A9
Mains Cable
WIRE FEEDER
Picture 2 Wire feeder rolls
E1
Nut of pressure arm
E2
Pressure arm
E3
I
nlet liner
E
EURO connector
E5
Roll
CHOOSING THE FEEDING ROLL
In all machines ALFA IN MIG / MAG rolls with two grooves are used. These
grooves are intended for two different wire diameters (e.g. 0,8 and 1,0 mm).
Rolls for wire feed must comply with the diameter and material of the welding
wire. Only this way a smooth wire feed can be achieved. Irregularities of the wire
feed leads to a poor quality of welding and deformation of the wire.

 
ABC
Picture 3 - The influence of the roll groove on the welding wire
A Correct
B Wrong
C Wrong

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OVERVIEW OF ROLLS FOR WIRE FEED
ab
rolls
a = 22 mm
b = 30 mm
Groove type
Wire diameter
Item No
Steel
0,6-0,8 2187
0,8
-
1,0
2188
1,0
-
1,2
2189
Aluminum
0,8-1,0 2270
1,0
-
1,2
2269
Flux core
0,8
-
1,0
2318
1,0
-
1,2
2319
1,2
-
1,
2320
ADJUSTING THE MACHINE FOR ANOTHER WIRE DIAMETER
In all machines ALFA IN MIG / MAG are used rolls with two grooves. These
grooves are intended for two different wire diameters (e.g. 0,8 a 1,0 mm). Groove
can be replaced by removing the rolls and rotating them, or use a different roll
grooves with required dimensions.
1. Open the nut E1 to the right, pressure roll E2 will be opened upward
2. Unscrew the plastic locking element E5 and remove the roll
3. If there is a suitable groove on the roll, rotate the roll and place it back on
the shaft and secure it by screwing the element E5.
ADJUSTING THE MACHINE FOR WELDING OF ALUMINIUM
For feeding the AL wire it is necessary to use roll with the “U” profile - see
paragraph OVERVIEW ROLLS WIRE FEED. To prevent problems with feeding
use wires with diameter. 1.0 mm of AIMg3 or AlMg. Wire of alloy Al99, 5 or AlSi5
are too soft and easily will cause problems with movement.

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For the aluminum welding it is also necessary to provide the torch tefl. liner and
special current nipple. We do not recommend you to use the torch longer than 3
m. Great attention must be paid to adjust the contact power of rolls – it must not
be too high, otherwise there is a deformation of the wire.
As a protective atmosphere is necessary to use argon.
Picture 4 – Customization of the feed for the aluminium wire
G1
EURO
connector
G2
Roll
s
G3
Liner terminal
for ,0mm, ,7mm outer diameter
G
O
-
ring 3,5 x1, 5mm to prevent escape of gas
G5
Nut
G6
Liner tefl.
G7
Sustain pipe
for teflon and plastic liner
INSERTING THE WIRE
1. Open the side cover of the wire feeder space.
2. Put the wire spool on the wire spool holder D1 and fix it with the fixing nut
D2. If a spool (size of 15 or 18 kg) is used, put on each side of the spool
adapter D3. The hole in the back of the adapter must fit into the pin on the
wire spool holder!
3. Cut off the curved or damaged end of welding wire and lead it through the
inlet liner E3, and the roll into the liner inside the EURO torch connector
(about 5 cm). Make sure, that you use the suitable groove.
. Put the pressure arm E2 down in that way, that the teeth or the gear fit and
fix it by setting the lever E1 into vertical position.
5. Adjust the pressure nut that way that it provides constant movement of
wire but it does not deform wire. The adjusting screw is located under the
plastic screw E1.
6. The spool brake is set by the manufacturer. If necessary, the brake can be
adjusted by a screw D1 so that while stopping the feed, spool will be
stopped on time (it will avoid excessive release of wire).However, too tight
brake needlessly strains the feeding mechanism and thus slippage may
occur in the wire rolls.

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Picture 5 - Spool holder
ADJUSTING PRESSURE FORCE OF FEED ROLLS
Important thing for reliable operation of the feeding mechanism is the size of
pressure force of feed rolls.
The amount of force depends on the type of welding wire, for aluminum or tube
wire, we choose a smaller pressure force
If the pressure force is too small, slippage may occur and thus irregular wire
feeding speed.
If the pressure force is too high, it will lead to increased mechanical wear of
bearings and it can damage the machine. Before putting into operation, clean
the rolls from preservative oil.
INSERTING THE WIRE TO THE TORCH AND CONNECTION OF EARTH
CABLE
1. Connect the earthling clamps to the welder or to the welding table.
Notice When inserting the wire do not point with torch to the eyes!
2. Screw the central end of the torch B2 to connector B1 on the machine
while the machine is turned off.
3. Remove the gas nozzle from the torch.
. Unscrew the current nozzle.
5. Connect the machine to power supply.
6. Turn the main switch on the back panel to ON.
7. Press button (pic. 8) V3. The welding wire is fed into the torch. After coming
off from the torch tube, screw the current nozzle and gas nozzle on.
8. Before welding, spray the area in a gas hose and current nozzle with a
separation spray, to prevent damage.
D1
Spool Holder
D2
Nut Spool Holder
D3
Adapter

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Picture 6 - Connection of torch and earth cable
B1
EURO connector, in pic. 1 position A1
B2
EURO
connector male
B3
Torch
C1
Quick connector
male
C2
Earth
ling
clamps
C3
Quick connector (+)
C
Quick connector (
-
)
ADJUSTMENT OF GAS FLOW
The electric arc and the weld must be perfectly shielded by gas. Too small
amount of gas does not perform the protective atmosphere and on the other
hand to big amount of the gas brings air into the electric arc.
Notice Gas bottle must be well secured against fall. This manual does
not solve the safe securing of gas bottle. Information can be obtained from a
supplier of industrial gases.
1. Fit the gas hose to the outlet on the back panel of the machine.
2. Press button (pic. 8) V2 on the main panel. If you hold the button for less
than 3 s, after releasing the button, the gas valve will turn off. If you hold
the button for more than 3 s, it will turn off the gas valve after about 20 s,
or after pressing any button.
3. Turn the adjusting screw F7 at the bottom side pressure reducing valve,
until the meter F6 shows the required flow, then release the button. The
optimum flow is 10-15l/min.
. After long-term shutdown of the machine or replacement of the torch it is
suitable to blow the pipes with protective gas before welding.

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Picture 7 – Gas flow setting
F1
Gas b
ottle
F2
Cylinder
Valve
F
Pressure Reducer
F5
High Pressure Manometer
F6
Low Pressure Manometer
F7
Adjusting Screw
F
8
Gas outlet
7 BASIC SETTINGS
CONTROL PANEL
Picture 8 – Control panel
V2 Button gas test
V3
Button Wire Feeding
V
Instant JOB buttons
1
-
6
V5
Current encoder
V6
Control light Material thickness (mm)
V7
Control light Wire speed (m/min)
V8 Button for selecting the parameters to be displayed
V9
Control light Current (A)
V10 Left display shows
W
elding current

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Speed of the wire
Material thickness
Sign
of
the
secondary parameter
V11
Right display shows
Welding voltage
Welding current in the MMA mode
Choke
V12
Control light of Voltage or Voltage Correction
V13
Button for selecting the parameters to be displayed
V1
Control light of
Wire Speed Correction
V15
Control light of Choke or Choke Correction
V16
Encoder Voltage or Correction
V17 Control light two stroke – 2T
V18
Control light
four stroke
–
T
V19
Button for selecting the parameters to be displayed
SETTING THE METHOD OF WELDING
1. Long pressing the button V5 opens the menu.
2. By turning the button V5 choose the method ELE (covered electrode
MMA); MAN (MIG/MAG manual) or SYN (MIG/MAG synergistic). Confirm
your choice by pressing the button V5.
QUICK SETTING THE JOB MEMORY
Works for three welding methods.
1. Long press ( s) one of the buttons V4 (1,2,3, ,5,6) to save set parameters
to memory.
2. Short press one of the buttons V4 (1,2,3, ,5,6) to load parameters from
memory.
WELDING MODE 2T – TWO STROKE
Works for both welding methods MIG/MAG.
Press the button V19 to switch between the modes 2T / 4T . The
two stroke mode is signalized by LED V17.
1.
Tact
–
press and hold the button
the machine will start welding
2.
Tact
–
release the torch
button
the machine will stop

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WELDING MODE 4T – FOUR STROKE
Works for both welding methods MIG/MAG.
Press the button V19 to switch between the modes 2T / 4T . The
two stroke mode is signalized by LED V18.
1.
Tact
–
press and hold the button
the
machine will start welding
2.
Tact
–
release the torch button
the machine will continue
3. Tact - press the torch button the machine will continue
.
T
act
-
release the torch button
the machine will stop
SECONDARY PARAMETERS MENU
From start the welding machine is set to factory settings (default). For most of
the work it is not appropriate to change the secondary parameters. Secondary
parameters for manual and synergistic methods are identical.
1. Simultaneously pressing V19 and V5 encoder enters the menu for
secondary parameters.
2. A5 encoder selects a parameter (ISP, PRG, PoG, brn), V19 encoder sets
the desired value.
3. Press the encoder V5 to confirm the change.
. Press any button to exit the menu without saving changes.
Symbol
Meaning
Range (Default)
ISP
(Initial speed)
Approaching speed
10
-
100 % (30 %).
PrG
(Pre gas time)
Pre gas
0
-
20 s (0,1 sec).
PoG
(Post gas time)
Post gas
0
-
20 s (0,5 sec).
brn
(
Burn back
)
Burn
back
0
-
75 ms
(35 ms)
CAL (Calibration menu) Calibration menu x.xx (version sw PCB
engine)
The last menu item is CAL – it is used to enter the calibration menu, which is
intended only for authorized service.

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REMOTE CONTROL
Picture 9 – Remote control from the torch
H1
Display of remote control
H2
Display
H3
Torch button M for choosing the function
MAN: Wire speed, Voltage/Choke, JOB (See How to switch on
the remote control of JOBs on below)
SYN: Power, Correction/Choke, JOB
H
Torch button LOCK lock/unlock the buttons UP/DOWN and M
The UP/DOWN and M buttons get automatically locked when the
torch trigger is pressed.
H5 When the LED is on it indicates UP/DOWN and M button are
functioning.
H6 Torch button UP
H7
Torch button
DOWN
HOW TO SWITCH ON THE REMOTE CONTROL OF JOBS
1. Press buttons V13 and V19 at the same time for more than 3 s. The
displays V10 and V11 will show JOB ON. (To switch off this function, press
shortly V13 and V19 at the same time.
2. By means of the button H3 set the function JOB change.
3. By means of buttons H6 (UP) and H7 (DOWN) switch among the saved
JOBs.

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Symbols on the torch display H1
Symbol Description
A synergic program is running on the welding machine
Amperage setting (SYN)
Wire speed setting
No symbol Material thickness setting (SYN)
Voltage setting (MAN)
Correction (SYN)
Symbols on the torch display H2
J.xx JOBs (xx – JOB No)
I.xx Choke level (SYN/MAN).
(Only with firmware 2015 and newer)
ELE Machine is in MMA (Electrode) mode
RESET
1. Pressing V8 + V19 at the same time more than 3 s makes RESET – default
parameters will be restored.
2. It will delete saved JOBs!
MIG/MAG WELDING SYNERGY
1. Choose SYN method (see SETTING THE METHOD OF WELDING)
2. Left display V10 shows SYN, right display V11 shows the number of
synergistic curve.
3. Selects synergic curve (program number) using encoder V16 according to
the table, which is located inside. To confirm the program number press the
encoder V5.
Picture 10 – Table
of synergic curves

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. Use V8 button to select the values you want to set the machine with, the
corresponding light will illuminate.
5. Machine output (current, wire feed speed, material thickness) is set by the
encoder V5.
6. If necessary, power and its characteristics can by fine-tuned by encoder V16.
7. The value of the voltage or the choke correction are shown on the display
V11 only during the configuration.
8. From the factory, the machine is set to use voltage correction. (to change the
meaning of the correction from Voltage to Wire speed, press and hold the
button V13). (When you change the welding power by turning the encoder
V5 it will reset the correction, in other words the machine uses parameters
from the factory stored synergic curves. The machine supports the possibility
of maintaining a user-defined correction when changing the welding power.
Switching to such arrangements must be made by the manufacturer or an
authorized service center.)
9. Button V13 to switches between correction of voltage and correction of the
choke. Confirm the change with encored V16.
MIG/MAG WELDING MANUAL
1. Choose MAN method (see SETTING THE METHOD OF WELDING)
2. The left display V10 shows MAN.
3. The left display V10 shows the wire feed speed, the right display V11 shows
voltage or choke.
. Wire feed speed is set by the encoder V5.
5. Voltage or choke is adjusted via the encoder V16.
6. Voltage or choke can be displayed and set by long-pressing V13.
7. During welding, the display V10 shows measured values of welding current
and the display V11 shows measured values of voltage.
8. After welding, on the displays will remain measured values (HOLD) for 6 sec.
WELDING VOLTAGE
It is set using voltage potentiometer pic. 8, V16.
WELDING CURRENT – GENERAL INFORMATION
Size of the welding current depends on the wire feed speed and voltage.
Characteristic of the curve ("hardness / softness") can be controlled by
correction of the choke.
Approximate setting for the MIG / MAG welding current and voltage corresponds
the empirical relationship U2 = 1 +0.05 I2. According to this relationship, we
can determine the required voltage. When setting the voltage, we expect the

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decline in voltage during load. The voltage drop is approximately .5-5.0 V at
100 A.
Set the welding current by setting the welding voltage first and then configure
the wire feed speed to the point, where the burning of the arc is ideal.
Please note that the actual settings for ideal arc may vary slightly depending on
the position of the weld material and voltage fluctuations.
To achieve a good quality of the welds and the optimum setting of the welding
current it is necessary to ensure that the distance of the power nozzle from the
material was about 10 times the diameter of the welding wire (pic. 8)
Picture 11 – Distance from nozzle to material
TABLE OF WIRE CONSUMPTION DURING WELDING
Wire
diameter
[mm]
Range of
wire feed
speed
[m/min]
Maximal
wire feed
speed
[m/min]
Weight of
1 m wire
[g]
Wire consumption
per 1 minute of
welding
[g/min]
Wire
consumption per
1 hour of welding
[g/hour]
Steel wire
0,6 2 - 5 5 2,3 11,5 690
0,8 3 - 6 6 2 1 0
1,0 3 - 12 12 6 72 320
1,2 -18 18 9 162 9720
Stainless steel wire
0,6 2 - 5 5 2,3 11,5 690
0,8 3 - 6 6 2 1 0
1,0 3 - 12 12 6 72 320
1,2 -18 18 9 162 9720
Aluminum wire
0,6 2 - 5 5 0,8 2 0
0,8 3 - 6 6 1,3 7,8 68
1,0 3 - 12 12 2 2 1 0
1,2 -18 18 3 5 32 0

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TABLE OF GAS CONSUMPTION DURING WELDING
Wire diameter [mm] Gas flow [l/min] Gas consumption per 1 hour
of welding [l/hour]
0,6 6 6 * 60 = 360
0,8 8 8 * 60 = 80
1,0 10 10 * 60 = 600
1,2 12 12 * 60 = 720
1,6 16 16 * 60 = 960
2,0 20 20 * 60 = 1200
8 MMA WELDING (COATED ELECTRODE ELE)
1. Choose ELE method (see 7.2 SETTING THE METHOD OF WELDING)
2. The left display V10 shows the value of welding current, the right display V11
shows ELE.
3. The welding current is set by the encoder V5.
. During welding, the display shows measured values of welding current.
5. After welding, on the display will remain measured value (HOLD) for 6 sec.
6. If the MIG/MAG remote torch stays connected, on its display will be shown
ELE. The remote function will not work. Careful, the welding voltage will be
on the torch.
TABLE OF ELECTRODE CONSUMPTION DURING WELDING
Electrode
diameter
[mm]
Range of
welding
current [A]
Total
electrode
length [mm]
Weight of
boiled
electrode
without slag
[g]
Boiled
electrode
time [s]
Weight of
boiled
electrode
without slag
per 1 second
[g/s]
1,6 30 - 55 300 35 0,11
2,5 70 - 110 350 11 9 0,22
3,2 90 - 1 0 350 19 60 0,32
,0 120 - 190 50 39 88 0,
9 ROUTINE MAINTENANCE & INSPECTION
1. The only routine maintenance required for the aXe range of machines is a
thorough cleaning and inspection, with the frequency depending on the
usage and the operating environment.
 WARNING 
2. Disconnect the aXe from the mains supply voltage before disassembling.
3. Special maintenance is not necessary for the control unit parts in the
Welder. If these parts are damaged for any reason, replacement is
recommended.