Thank you for purchasing this CLARKE Welding Torch. Assembly. It is ideal for
use with the CLARKE model AT161,162 & 165 ARC/TIG welders.
Before attempting to use this product, please read this manual thoroughly and
follow the instructions carefully. In doing so you will ensure the safety of yourself
and that of others around you, and you can look forward to your purchase
giving you long and satisfactory service.
GUARANTEE
This product is guaranteed against faulty manufacture for a period of 12
months from the date of purchase. Please keep your receipt which will be
required as proof of purchase.
This guarantee is invalid if the product is found to have been abused or
tampered with in any way, or not used for the purpose for which it was
intended.
Faulty goods should be returned to their place of purchase, no product can
be returned to us without prior permission. This guarantee does not effect your
statutory rights.
GENERAL SAFETY PRECAUTIONS
IMPORTANT: In addition to the following precautions, you should read, and
fully comply with, all instructions and safety precautions that were supplied
with your TIG Welder. Please keep these instructions in a safe place for
future reference.
1. NEVER point the torch at any person or animal.
2. NEVER touch the nozzle unless the welder is switched OFF and the nozzle
has been allowed to cool off.
3. NEVER connect, disconnect, or attempt to service the torch, unless the
machine is switched OFF and disconnected from the mains supply.
4. NEVER allow the cables to become wrapped around the operator or
anyone in the vicinity.
5. When welding, users and bystanders must ALWAYS use a protective
headshield fitted with the correct shade of lens. Failure to do so can cause
serious damage to your eyes.
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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
INTRODUCTION
Unpack and lay out the components, checking against the following list. Any
damage which may have been incurred in transit should be reported to your
CLARKE dealer immediately.
The welding torch comprises the following items: (Nos. in brackets refer to parts
diagram on page 7).
• Torch body (3) with front/rear cup gaskets (2 & 4)
• End cap complete with O-ring (1)
• Valve stem complete with O-ring (8)
• Tungsten Electrodes - 1.6 and 2.4mm (9)
• Collet bodies 1.6 mm and 2.4mm (6)
• Collets 1.6 and 2.4 mm (5)
• Ceramic nozzles size 5 and size 6 (7)
• Handle and Hose Assembly (10)
• Instruction Manual (this document)
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ASSEMBLY
A complete torch assembly with
electrode, is supplied, and is
assembled as follows:
1. Screw the collet body into the
head of the torch, (Fig.1) and
tighten finger tight.
2. Screw on the ceramic nozzle
insulator (Fig 2).
NOTE: Before assembly, file or grind
the tip of the electrode to a
point (from 40
this will give optimum
performance.
3. Pass the electrode through the
collet from the shoulder end and
insert the collet into the collet
body through the rear of the
torch, with its shoulder facing the
rear as in Fig 3.
4. Pass the electrode through, so
that it protrudes from the nozzle
by approx.10mm and screw on
the rear end cap.
If welding space is likely to be
restricted, the short end cap should
be used in conjunction with an
electrode of reduced length.
Otherwise use the long end cap and
standard electrode.
5. As the end cap tightens, the
electrode will be gripped and
secured in position. Whilst it is still
possible for the electrode to
Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
o
to 60o), as
4
move, adjust it so that it protrudes from the nozzle by 4 - 5mm and then
tighten the end cap against the rubber O-ring. The electrode will now be
secured in position.
Your torch assembly is now ready for use.
GAS SUPPLY
it will be necessary to procure a supply of pure ARGON gas and a suitable gas
regulator.
Attach the gas hose to the pressure regulator, securing with a worm drive clip
and the pressure regulator to the gas bottle, ensuring the connection is
perfectly gas tight. Pressure is regulated by turning the control knob on the
regulator.
ALWAYS release the pressure from the regulator when not in use, and
remember to turn OFF the gas supply as soon as you have finished welding.
ALWAYS close the cylinder valve before attempting to change an empty
cylinder.
CONNECTIONS
Before connecting the torch to the welder, ensure the welder is switched OFF,
and disconnected from the mains supply.
It is important to note that the torch
cable male DIN connector, is
plugged into the NEGATIVE terminal
of the welder, as shown in Fig 5,
otherwise the tungsten electrode will
melt.
The earth clamp cable is connected
to the POSITIVE terminal.
Connect the earth clamp from the
welder to the workpiece choosing an
area of bare metal, free from rust,
paint or oil etc.
Fig 5 illustrates a typical connection.
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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
OPERATION
There are three methods generally employed for producing the initial arc for
TIG welding.
On smaller, DIY machines, a ‘scratch arc‘ method is used where the electrode
is ‘scratched’ against the workpiece to strike an arc, similar to normal arc
welding. Other machines employ a ‘lift arc’ method, which is similar to scratch
arc in that the electrode must touch the workpiece, but a far greater degree
of control is available. Others are fitted with a High Frequency unit which
allows the arc to form once the electrode is brought to within a specified
distance from the workpiece.
If you are unfamiliar with TIG welding, you should consult the manual supplied
with your TIG welder, where full details of its operation should be given.
MAINTENANCE
The torch and cable should be inspected before use, to ensure it is
undamaged. Replace any part which is suspect and ensure all connections
are firmly secured before switching on the welder.
Consumable parts (electrodes, nozzles etc) are listed in the parts list on page
7.
Do not dispose of welding products with general household waste. All tools,
accessories and packaging should be sorted, taken to a recycling centre and
disposed of appropriately.
ACCESSORIES
RegulatorPart No: 8134140
Argon (60 bar)Part No: 6000661
Argon (110 bar)Part No: 6000663
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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
COMPONENT PARTS
No DescriptionPart NoNo DescriptionPart No
1End Cap c/w O-ring GWWK017Ceramic NozzleGWWK07
2Rear Cup GasketGWWK028Twist Valve c/w O-ringGWWK08
3Torch BodyGWWK039Tungsten Electrode1.6/
2.4 mm
4Front Cup GasketGWWK0410Hose & protective sleeve GWWK10
5ColletGWWK0511Short end cap & O-ringGWWK11
6Collet BodyGWWK06
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Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com
GWWK09
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