Disston ZX7 SERIES Manuel d'utilisation
1
OWNERS OPERATING MANUAL
INVERTER DC ARC WELDERS
ZX7 SERIES
CONGRATULATIONS ON YOUR PURCHASE OF A
QUALITY INVERTER DC ARC WELDER, IT WILL
PROVIDE YEARS OF RELIABLE SERVICE.
2
TABLE OF CONTENTS
1. SAFETY INSTRUCTIONS………………………………….……..1
2. DESCRIPTION OF MACHINE……………………………………4
ZX7 SERIES
3. OPERATION GUIDE…………………………………..…………..6
WHAT IS AN INVERTER WELDER
SET UP OF THE INVERTER
ESTABLISHING THE ARC
WELDING BASICS
WELDING SPEED AND CURRENT
WELDING INFORMATION
KEY POINTS
THERMAL OVERLOAD
DC TIG WELDING WITH DC INVERTER WELDER
4. WARRANTY & SERVICE CENTRE LISTING…………….….13
5. CONTACT DETAILS……………………………………….…...14
3
SAFETY INSTRUCTONS
When using power equipment, basic safety precautions should
always be followed to reduce the risk of fire, electric shock and
personal injury, including the following.
If used correctly welding pose little risk to the operator however, care
should always be taken to ensure safe and proper performance.
Read all owner operating instructions before attempting to operate
any product.
FOR SAFE OPERATION:
Keep the work area clean.
Cluttered work areas invite injuries (indoor and outdoor).
Consider the work environment.
Don’t expose power equipment to rain or any other liquid.
Don’t use welding equipment in damp of wet locations.
Keep your work area well lit. Don’t use welding equipment
in the presence of flammable liquids or gases.
Guard against electric shock.
Avoid body contact with grounded surfaces (e.g. Pipes,
radiators and electrical appliances).
Keep children and visitors away.
Keep children and visitors away from the area of operation.
Do not let children or visitors touch equipment or extension
cables.
Store idle machinery.
When power equipment is not in use, keep them in a dry,
high or locked up area away from children.
Wear safety glasses.
Always wear safety glasses or other suitable eye protection
when using welding equipment.
4
Secure Work.
Use clamps or a vice whenever possible to secure your
work piece
Don’t over reach.
Keep proper footing and balance at all times.
Dress properly.
DO NOT wear loose clothing or jewellery; they can be
caught in moving parts. Wear protective hair covering to
cover long hair, using gloves and non-slip footwear is
recommended when working outdoors.
Take care of cables.
Never carry welding equipment by the cable and never pull
the cable to disconnect it from the socket. Keep cables
away from heat, oil and sharp edges. Replace damaged
cables.
Disconnect Tools.
Disconnect welding equipment when not in use, before
servicing, and when changing accessories on other tools
such as blades, bits and cutters.
Avoid unintentional operation.
Don’t carry plugged in welding equipment with a finger on
the switch. Be sure that the switch is off when plugging in
the machine.
Outdoor use; extension cables.
When electric power equipment is used outdoors, only use
extension cables market as suitable for outdoor use.
Stay Alert.
Watch what you are doing. Use common sense. Do not
operate welders when you are tired or under the influence
of alcohol or drugs.
5
Check damaged parts.
Before using welding equipment, parts that are damaged
should be carefully checked to determine that they will
operate properly and perform their intended function. Any
part that is damaged should be properly repaired or
replaced by an authorized service agent. Do not operate
power equipment if it cannot be turned OFF and ON by the
switch.
Repair of power equipment by experts.
Power equipment is built in accordance with relevant safety
authority requirements. The repair of power equipment must
only be carried out by experts; non-expert repairs may
cause considerable danger for the user and void warranty.
6
DESCRIPTION OF MACHINES
These models are portable inverter DC ARC Welders. The robust
format makes them versatile and effective for a variety of uses. The
welder compliance to current regulations and the optimum quality of
materials used will ensure a long working life with complete safety.
SPECIFICATION –IEC Certified
Model：ZX7-180(MMA180A)
Mains Voltage 220V –240V
Duty Cycle 60% @ 35 c
Welding Current 20 –180A
Minimum Electrode 1.6mm
Maximum Electrode 4.0mm
Weight 4.7KG
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ACCESSORIES
Electrode Holder
Earth Clamp
Hand Held Face Mask
Wire Brush
FEATURES AND BENEFITS
ANTI-SHOCK CLAMP
ACCESSORIES INCLUDED
20 AMP SINGLE PHASE CABLE
PORTABLE
DOUBLE COOLING FAN
EUROPEAN CONFORMITY
CURCUIT DIAGRAM
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OPERATION
Step 1: Plug in the Earth and Positive
cable.
Step 2: Select desired AMP you wish
to use.
Step 3: Switch on the inverter.
Step 4: Select the correct diameter
electrode according to the thickness of
the work piece you intend to weld. Press
the side lever to open the clamp, insert the electrode into the V-
groove and release side lever. Ensure that the electrode is
correctly inserted inside the electrode holder.
Step 5: To ensure earth has good contact, clean the work
piece with a wire brush. Attached the earth clamp to the
cleaned area to ensure good contact.
WHAT IS AN INVERTER WELDER
Inverter welders are welders that transform high voltage, low
amperage into low voltage, high amperage power which is required
for welding. This is done by using a transformer.
The difference between inverters and other types of welders is that
inverters welders increase the frequency of the primary power
supply, which in turn reduced the size of the transformer. This is
done through an ON/OFF action of high powered solid state switches
that creates the DC power.
By controlling the power on the primary side of the transformers and
boosting the frequency, the inverter welders are able to create light
weight solutions compared to ARC and MIG welder types.
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SET UP OF THE INVERTER WELDER
WELDING INFORMATION
TABLE FOR SELECTION OF THE WELDING CURRENT ACCORING TO
THE ELECTRODE AND METAL THICKNESS
Weldable Metal
Thickness
Diameter
Electrodes E6013
/ E7018
Minimum
Current [A]
Maximum
Current [A]
1.20 - 1.50 mm
1.6 mm
30
50
1.50 - 2.00 mm
2.0 mm
40
80
2.00 - 4.00 mm
2.5 mm
60
100
4.00 - 6.00 mm
3.2 mm
100
130
6.00 - 7.00 mm
4.0 mm
120
170
7.00 - 8.00 mm
4.0 mm
140
180
NOTE: Weld able metal thickness can be increased by multiple
welds.
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DC TIG WELDING WITH DC INVERTER WELDER
REQUIREMENTS
1. TIG Torch (complete with gas hose)
2. Argon Gas (Shielding Gas)
3. Argon Flow Meter
PROCESS
1. Connect earth cable to inverters positive outlet
2. Connect power cable (tig torch) to inverters earth outlet
3. Secure gas hose on TIG torch to Argon flow meter
4. Secure gas flow meter to Argon gas bottle
Secure earth clamp to work piece
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