LORCH MicorStick Manuale utente

909.2049.9-00
EN Operation Manual Page 17
MicorStick

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IX
Easy Go 1
Order no. 570.7595.1
Easy Go 2
Order no. 570.7595.2
Easy Go 3
Order no. 570.7595.3
Weld Backpack
Order no. 570.7595.4

909.2049.9-00 - 3 -01.14
MicorStick + MobilePower
1 2
3 4

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56
I
II
IV
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1
1
1
L1(R)
L2(S)
L3(T)
N(MP)
PE
III

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62 63
66
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10 11 12 13
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V VI
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Publisher LORCH Schweißtechnik GmbH
Im Anwänder 24 - 26
D-71549 Auenwald
Telephone: +49 (0) 7191 / 503-0
Fax: +49 (0) 7191 / 503-199
Website: www.lorch.biz
Email: [email protected]
Document number 909.2049.9-00
Issue date 08.01.2014
Copyright © 2013, LORCH Schweißtechnik GmbH
This documentation including all its parts is protected
by copyright. Any use or modication outside the strict
limits of the copyright law without the permission of
LORCH Schweißtechnik GmbH is prohibited and liable to
prosecution.
This particularly applies to reproductions, translations,
microlming and storage and processing in electronic
systems.
Technical changes Our machines are constantly being enhanced, we reserve
the right to make technical changes.
909.2049.9-00 - 17 -01.14

General regulation of use
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1 Machine elements I
1Carrying belt
2Control panel
3Negative terminal socket
4Positive terminal socket
5Air intake
6Mains cable
7Power cable/battery cable with device coupling
(optional)
Danger of death through electrocution!
See chapter “12.3 Connecting the power
supply” on Page 21.
Some of the options and accessories shown
or described may not be a part of the scope
of delivery.
Subject to change.
2 Explanation of symbols
2.1 Meaning of the symbols in the
operation manual
Danger to life and limb!
If the danger warnings are disregarded, this
can cause slight or severe injuries or even
death.
Danger of property damage!
Disregarding danger warnings can cause
damage to workpieces, tools, and equip-
ment.
General note!
Indicates useful information about the prod-
uct and equipment.
2.2 Meaning of the symbols on the
machine
Danger!
Read the user information in the operation
manual.
Disconnect the mains plug!
Pull out the mains plug before opening the
housing.
3 General regulation of use
This machine is intended for use in the commercial and
industrial sector. It is portable and suitable for operation
using the mains supply, a power generator or for opera-
tion with a battery (optional).
The machine is intended for electrode welding.
Together with a TIG welding torch, the machine can be
used for TIG welding with direct current of
–unalloyed steels, low and high-alloy steels,
–copper and its alloys,
–nickel and its alloys,
–special metals like titanium, zirconium, tantalum.
The device is not intended for TIG welding of alumini-
um and magnesium with alternating current.
i
i

Safety precautions
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4 Safety precautions
Hazard-free working with the machine is only
possible if you read the operating and safety
instructions completely and strictly observe
them.
Please obtain practical training before using
the machine for the rst time. Follow the ac-
cident prevention regulations (UVV1).
Remove all solvents, degreasers, and other
ammable materials from the working area
before starting welding. Non-movable am-
mable materials must be covered. Only weld
if the ambient air contains no high concen-
trations of dust, acid vapours, gases or am-
mable substances. Special care must be
taken during repair work on pipe systems
and tanks which contain or have contained
ammable liquids or gases.
Never touch live parts inside or outside of the
housing.
Do not expose the machine to rain; do not
clean with sprays or steam jets.
Always use a protection shield when weld-
ing. Warn anyone in the work area about the
dangers of arc rays.
Please use a suitable extraction system for
gases and cutting vapours. Always wear
breathing apparatus whenever there is a risk
of inhaling welding or cutting fumes.
If the power cable is damaged or severed
while working, do not touch the cable, but im-
mediately pull out the mains plug. Never use
a machine if the mains cable is damaged.
Keep a re extinguisher near the welding
area. Check the welding area for re after
welding (see UVV1)).
Never try to disassemble the pressure re-
ducer. Replace the pressure reducer if faulty.
1
Only applicable for Germany. Can be ordered from
Carl Heymanns-Verlag, Luxemburger Str. 449,
50939 Köln.
The machine must be transported or set up
only on rm, level surfaces. The maximum
admissible angle of inclination for setting up
or transporting is 10°.
Service and repair work may only be carried out by a
trained electrician.
Ensure that there is good direct contact for the ground
cable immediately beside the weld point. Do not pass
the welding current through chains, ball bearings,
steel cables, grounding conductors, etc., as it could
cause these to melt.
Secure yourself and the welding machine when work-
ing in elevated or inclined areas.
The machine should be connected only to a properly
grounded mains supply. (Three-phase four-wire sys-
tem with grounded neutral conductor or single phase-
three-wire system with grounded neutral conductor)
socket and extension cable must have a functional
protective conductor.
Wear protective clothing, leather gloves and a leather
apron.
Protect the welding area with curtains or mobile
screens.
Do not use welding equipment to thaw out frozen wa-
ter pipes or lines.
In closed containers, under cramped conditions, and
in high electrical risk areas, only use machines with
the S sign.
When taking a break, switch off the machine and close
the valve on the gas cylinder.
Secure the gas cylinder with a chain to prevent it fall-
ing over.
Disconnect the mains plug from the mains before
changing the place of installation or making repairs to
the machine.
Please heed the safety regulations which apply to your
country. Subject to change.

Electromagnetic compatibility (EMC)
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5 Ambient conditions
Temperature range of ambient air:
in operation: -10 °C ... +40 °C (+14 °F to +104 °F)
transport and storage: -25 °C ... +55 °C
(-13 °F ... +131 °F)
Relative humidity:
up to 50 % at 40 °C (104 °F)
up to 90 % at 20 °C (68 °F)
Operation, storage and transport may only be
carries out within the ranges indicated! Use out-
side of this range is considered not used with
its intended purpose. The manufacturer is not
liable for damages cause by misuse.
Ambient air must be free of dust, acids, corrosive gases
or other damaging substances!
6 Unit protection
This machine is protected electronically against overload-
ing. Do not use fuses of higher amperage than printed on
the identication plate.
The machine is cooled using a fan.
Therefore, always ensure that the cooling air openings
are always uncovered.
Do not insert any objects into the ventilation slots. This
may damage the fan.
Never perform a welding operation when the fan is de-
fective. Instead, have the device repaired.
Switch-on duration (ED)
The switch-on duration (ED) is based on a work cycle of
10 minutes. ED 60% therefore means a welding dura-
tion of 6 minutes. After this, the device must cool down
for 4 minutes.
If the ED is exceeded then an integrated thermocouple
switches the machine off. When the device has cooled
down sufciently, it switches itself back on.
7 Noise emission
The noise level of the unit is less than 70 dB(A), meas-
ured under standard load in accordance with EN 60974-
1 in the maximum working point.
8 UVV inspection
Operators of commercially-operated welding systems are
obliged to have regular safety inspections of the equipment
carried out in accordance with EN 60974-4. Lorch recom-
mends inspections at 12 month intervals.
A safety inspection must also be carried out if modica-
tions or repairs have been made to the system.
Improper UVV inspections can destroy the
system. For more information on UVV in-
spections of welding systems, please contact
your authorised Lorch service centre.
9 Electromagnetic
compatibility (EMC)
This product is manufactured in conformance with the
current EMC standard. Please note the following:
Due to their high power consumption, welding ma-
chines can cause problems in the public power grid.
The mains connection is therefore subject to require-
ments with regard to the maximum permissible sys-
tem impedance. The maximum permissible system
impedance (Zmax) of the interface to the power grid
(mains connection) is indicated in the technical data.
If in doubt, please contact your power grid operator.
The machine is intended for welding in both commer-
cial and industrial applications (CISPR 11 class A).
Use in other surroundings (for example in residential
areas) may disturb other electronic devices.
Electromagnetic problems during start-up can arise in:
–mains cables, control cables, signal and telecom-
munication lines near the welding or cutting ma-
chine
–TV/radio transmitters/receivers
–Computers and other control devices
–Protection equipment such as alarm systems
–Pacemakers and hearing aids
–Measurement and calibration devices
–Equipment with too little protection against interfer-
ence
If other equipment is disturbed, it may be necessary to
provide additional shielding.
The affected area may go beyond the boundaries of
the property concerned. This depends on the layout
of the building, and the other activities that may be
going on there.
Please use the machine in compliance with the manu-
facturer's instructions. The operator of the equipment is
responsible for the installation and use of the machine.
The owner is responsible for eliminating the interference

Before start-up
909.2049.9-00 - 21 -01.14
caused by electromagnetic elds (possibly with technical
assistance by the manufacturer).
10 Setup and transport
Danger of injury due to the device falling
over and crashing.
Before transport, disconnect the mains plug.
Carry the device using the transportation belt
and keep it in a horizontal position.
Do not use a fork-lift truck or similar device to
lift the machine by its housing or transporta-
tion belt.
The machine must be set up only on rm,
level and dry surfaces. The maximum admis-
sible angle of inclination for setting up is 10°.
Therefore, always ensure that the cooling air
openings are always uncovered.
–Do not set up the device directly by a wall.
–Do not cover any cooling air openings.
The device may overheat and be damaged.
Cooling air openings are located on the
–Front side of the housing
–Rear side of the housing
11 Brief operating instructions
ÂConnect the mains or battery cable.
ÂConnect the component guide and electrode holder to the
sockets 3 and 4.
Observe the polarity according to the data of
the electrode manufacturer (see also elec-
trode welding).
ÂTension the stick electrode on the electrode holder.
ÂSwitch the machine on by pressing the On/Off button
17 for 2 sec..
ÂSelect the desired electrode operating mode using the
16 button.
ÂSet the desired welding current using the rotary knob
12.
9The machine is now ready for welding.
12 Before start-up
12.1 Fastening the transportation
belt II
ÂThread the transportation belt 1 into the welding ma-
chine and plastic slides 8. See sequence of the num-
bering in the picture.
12.2 Connecting the ground cable
III
When selecting the working space, ensure that the
ground cable and the ground clamp can be fastened
properly.
The ground clip must be fastened to an exposed
location of the welding table or component, so that it is
highly conductive. It must be located in the immediate
vicinity of the welding area, so that the welding current
cannot seek its own return path across machine parts,
ball bearings or electric circuitry.
Do not place the ground clamp on the welding ma-
chine, as otherwise the welding current will be carried
via the protective conductors and it will destroy these.
Never attach the workpiece connection loosely. Connect
the ground clamp rmly to the welding bench or the
workpiece.
12.3 Connecting the power supply
Mains cable with device coupling
Danger of death through electrocution!
If the plug-in mains cable is used incor-
rectly when humidity or moisture is pre-
sent, particularly outdoors, then electro-
cution is possible.
When working in mains operation, ob-
serve the following:
First, connect the mains cable to the ma-
chine coupling on the welding machine
and then connect the mains cable to the
mains plug in the mains socket.
Always disconnect the mains plug from
the mains socket before disconnecting
the machine coupling.
Mains operation
Before commissioning the machine, ensure that a suit-
able mains connection is available. The fuse must meet
the requirements stated in the technical data.
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