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4

1.0 Safety Precautions

ELECTRIC SHOCK can kill.

Touching live electrical parts can cause fatal shocks 

or severe burns. The electrode and work circuit is 

electrically live whenever the output is on. The input 

power circuit and machine internal circuits are also 

live when power is on. 
Do not touch live electrical parts.
Wear dry, sound insulating gloves and body 

protection.
Insulate yourself from work and ground using dry 

insulating mats or covers big enough to prevent any 

physical contact with the work ground.

Additional safety precautions are required when any 

of the following electrically hazardous conditions 

are present: in damp locations or while wearing wet 

clothing; on metal structures such as floors, gratings, 

or scaffolds; when in cramped positions such as 

sitting, kneeling, or lying; or when there is a high risk 

of unavoidable or accidental contact with the work 

piece or ground.
Disconnect input power before installing or servicing 

this equipment. Lockout/tagout input power according 

to Safety Standards.
Properly install and ground this equipment according 

to national and local standards.
Always verify the supply ground - check and ensure 

that input power cable ground wire is properly 

connected to ground terminal in the receptacle outlet.

When making input connections, attach proper 

grounding conductor first - double-check connections.
Frequently inspect input power cable for damage or 

bare wiring - replace cable immediately if damaged - 

bare wiring can kill.
Turn off all equipment when not in use.
Do not use worn, damaged, under sized, or poorly 

spliced cables.
Do not drape cables over your body.
If earth grounding of the work piece is required, 

ground it directly with a separate cable.
Do not touch electrode if you are in contact with the 

work, ground, or another electrode from a different 

machine.
Use only well-maintained equipment. Repair or 

replace damaged parts at once. Maintain unit 

according to manual.

Wear a safety harness if working above floor level.
Keep all panels and covers securely in place.
Clamp work cable with good metal-to-metal contact to 

work piece or worktable as near the weld as practical.
Insulate work clamp when not connected to work 

piece to prevent contact with any metal object.

Welding produces fumes and gases. Breathing these 

fumes and gases can be hazardous to your health.

FUMES AND GASES can be hazardous.

Keep your head out of the fumes. Do not breathe the 

fumes.

If inside, ventilate the area and/or use local forced 

ventilation at the arc to remove welding fumes and 

gases.
If ventilation is poor, wear an approved respirator.
Read and understand the Material Safety Data Sheets 

(MSDS’s) and the manufacturer’s instructions for 

metals, consumable, coatings, cleaners, and de-

greasers.
Work in a confined space only if it is well ventilated, 

or while wearing an air-supplied respirator. Always 

have a trained watch person nearby. Welding fumes 

and gases can displace air and lower the oxygen level 

causing injury or death. Be sure the breathing air is 

safe.
Do not weld in locations near de-greasing, cleaning, or 

spraying operations. The heat and rays of the arc can 

react with vapours to form highly toxic and irritating 

gases.
Do not weld on coated metals, such as galvanized, 

lead, or cadmium plated steel, unless the coating 

is removed from the weld area, the area is well 

ventilated, and while wearing an air-supplied 

respirator. The coatings and any metals containing 

these elements can give off toxic fumes if welded.

ARC RAYS can burn eyes and skin.

Arc rays from the welding process produce intense, 

visible and invisible (ultraviolet and infrared) rays that 

can burn eyes and skin. Sparks fly off from the weld.

Wear an approved welding helmet fitted with a proper 

shade of filter lense to protect your face and eyes 

when welding or watching
Wear approved safety glasses with side shields under 

your helmet.
Use protective screens or barriers to protect others 

from flash, glare and sparks; warn others not to watch 

the arc.
Wear protective clothing made from durable, flame 

Sa

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Содержание XTI-303 AC/DC

Страница 1: ...INSTRUCTION MANUAL...

Страница 2: ...Operator Manual ISSUE 2 XTI 303 AC DC...

Страница 3: ...maintenance this equipment should provide years of reliable service All our systems conform to ISO9001 2000 and are independently audited by NQA The entire product range carries the CE mark and is co...

Страница 4: ...ls 6 5 0 Installation 7 5 1 Unpacking the Machine 7 5 2 Location 7 5 3 Input and grounding connection 7 5 4 Output Polarity Connections 7 5 5 Torch Installation 8 5 6 Work return lead connection 8 6 0...

Страница 5: ...unit according to manual Wear a safety harness if working above floor level Keep all panels and covers securely in place Clamp work cable with good metal to metal contact to work piece or worktable as...

Страница 6: ...As welds cool they can throw off slag Wear approved safety glasses with side shields even under your welding helmet BUILDUP OF GAS can injure or kill Shut off shielding gas supply when not in use Alw...

Страница 7: ...ching on or off the mains supply to the machine Note the output of the machine is permanently on in MMA mode unless the on off switch is in the off position 2 Gas input connection 3 8 BSP male connect...

Страница 8: ...ad in TIG welding 21 Water out connection for a water cooled TIG torch 5 0 Installation Read entire installation section before starting installation SAFETY PRECAUTIONS ELECTRIC SHOCK can kill Only qu...

Страница 9: ...rticular interest for everyday general work These include some low hydrogen types for high tensile steel cellulose types for welding large diameter pipes etc The range of electrodes dealt with in this...

Страница 10: ...lope down and switch off TIG welding guide ranges Electrode diameter AC current amps DC current amps 0 040 1 0mm 15 30 20 60 1 16 1 6mm 60 120 75 150 3 32 2 4mm 100 180 150 250 Tungsten electrode type...

Страница 11: ...ses or use crack resistance electrodes b Travel slightly slower to allow greater build up in throat c Preheat plate and cool slowly The filler wire diameter specified is a guide only other diameter wi...

Страница 12: ...ause Remedy Non metallic particles are trapped in the weld metal slag inclusion a Non metallic particles may be trapped in undercut from previous run b Joint preparation too restricted c Irregular dep...

Страница 13: ...IG welding guide for ways to reduce arc flutter FAULT FINDING Description Possible Cause Remedy Excessive bead build up or poor penetration or poor fusion at edges of weld Welding current is too low I...

Страница 14: ...e right shielding gas Refer to basic TIG welding guide e Improve connection to work piece Power source problems Description Possible cause Remedy The welding arc cannot be established a The primary su...

Страница 15: ...wer supply is a thorough cleaning and inspection with the frequency depending on the usage and the operating environment Warning Disconnect primary power at the source before removing the cover Wait a...

Страница 16: ...ard industry practice and not subject to misuse repair neglect alteration or accident correct such defects by suitable repair or replacement at Parweld s sole option of any components or parts of the...

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