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WELDING can cause fire or explosion.

Remove all flammables within 10m of the welding arc. If this is not 

possible, tightly cover them with approved covers.

Do not weld where flying sparks can strike flammable material.

Protect yourself and others from flying sparks and hot metal.

Be alert that welding sparks and hot materials from welding can 
easily go through small cracks and openings to adjacent areas.

Watch for fire, and keep a fire extinguisher nearby. Be aware that 
welding on a ceiling, floor, bulkhead, or partition can cause fire on 

the hidden side.

Do not weld on closed containers such as tanks, drums, or pipes, 
unless they are properly prepared according to local regulations

Connect work cable to the work as close to the welding area as 
practical to prevent welding current from travelling along, possibly 

unknown paths and causing electric shock, sparks, and fire hazards.

Cut off welding wire at contact tip when not in use.

Wear oil-free protective garments such as leather gloves, heavy 

shirt, cuffless trousers, high shoes, and a cap. Remove any 

combustibles, such as a butane lighter or matches, from your person 
before doing any welding.

FlYInG Metal can injure eyes.

Welding, chipping, wire brushing, and grinding cause sparks and 

flying metal. 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. Always ventilate 

confined spaces or use approved air-supplied respirator.

HOt partS can cause severe burns.

Do not touch hot parts with bare handed.

Allow cooling period before working on gun or torch.

To handle hot parts, use proper tools and/or wear heavy, insulated 
welding gloves and clothing to prevent burns.

MaGnetIC FIelDS can affect pacemakers.

Pacemaker wearers keep away.

Wearers should consult their doctor before going near arc welding, 
gouging, or spot welding operations.

nOISe can damage hearing.

Noise from some processes or equipment can damage hearing.

Wear approved ear protection if noise level is high.

Shielding gas cylinders contain gas under high pressure.

CYLINDERS can explode if damaged.

Protect compressed gas cylinders from excessive heat, mechanical 

shocks, physical damage, slag, open flames, sparks, and arcs. 

Install cylinders in an upright position by securing to a stationary 
support or cylinder rack to prevent falling or tipping. Keep cylinders 
away from any welding or other electrical circuits. Never drape a 
welding torch over a gas cylinder. Never allow a welding electrode to 
touch any cylinder. Never weld on a pressurized cylinder - explosion 
will result. Use only correct shielding gas cylinders, regulators, 

hoses, and fittings designed for the specific application; maintain 

them and associated parts in good condition.

Turn face away from valve outlet when opening cylinder valve.

Use the right equipment, correct procedures, and sufficient number 

of persons to lift and move cylinders.

Read and follow instructions on compressed gas cylinders, 
associated equipment, and Compressed Gas Association (CGA)

2.0 product Description

  The XTM 303C  is a complete semiautomatic constant voltage 

DC arc welding machine built to meet CE specifications. It combines 

a constant voltage power source and a constant speed wire feeder 
with a microcomputer-based controller to form a reliable high-
performance welding system. A simple control scheme, consisting 
of a range voltage and wire feed speed controls, provides versatility 
with ease of use and accuracy. Other features include wire reel 
spindle with adjustable brake for 15kg wire spools (300mm), an 
integral gas cylinder mounting undercarriage, an adjustable Argon 

flow regulator with cylinder pressure gauge and inlet hose, a Parweld 

MIG torch, and a 3.0m work cable with clamp. Digital meters display 
the actual welding voltage and amperage and the machine has 
additional controls for adjustment of burn back and soft starting.

Summary of Contents for XTM303C

Page 1: ...Operator Manual ISSUE 3 XTM303C...

Page 2: ...er maintanance 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...

Page 3: ...ing drive roll sets 7 5 6 Welding wire installation 7 5 7 Torch installation 8 5 8 Work return lead connection 9 5 9 Shielding gas connection 9 6 0 Operation 9 6 1 Feeding wire electrode 9 6 2 Optimis...

Page 4: ...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...

Page 5: ...or before going near arc welding gouging or spot welding operations NOISE can damage hearing Noise from some processes or equipment can damage hearing Wear approved ear protection if noise level is hi...

Page 6: ...does not go off when the power source has cooled down then have the machine checked by a qualified engineer 6 On Off switch The machine is switched off when the light 4 is off and the fan is not runn...

Page 7: ...is suitably rated for the power draw of the machine and the environmental location Have a qualified electrician connect the input plug For long runs over 30m larger copper wires should be used The gre...

Page 8: ...ource inch facility or torch trigger to feed the electrode wire 50mm from the end of the liner conduit 5 Once the electrode wire has stopped refit the tip adaptor diffuser contact tip and gas nozzle 6...

Page 9: ...e head and body protection 1 Position wire over joint The end of the wire may be lightly touching the work 2 Lower welding helmet operate gun trigger and begin welding Hold the gun so the contact tip...

Page 10: ...feed speed Improper welding technique Place stringer bead in proper locations at joint during welding Adjust work angle or widen groove to access bottom during welding Momentarily hold arc on groove...

Page 11: ...perates but does not feed Insufficient drive roll pressure Incorrect drive rolls Excessive wire spool brake tension Incorrect liner Blocked liner Bird nesting Burn back Bird nesting Excessive feed rol...

Page 12: ...ch spares 12 XP8 300A Air Cooled Mig Welding Torch Rating 300A 8 7kW Mixed Gas 80 20 80 Duty Cycle EN60974 7 0309 0459 0 0 8mm to 1 2mm wires B A 2 1 4 3 6 5 7 8 9 10 11 12 13 14 15 17 16 18 19 21 21...

Page 13: ...9 0459 1 0mm 1 2mm x 10ft 3m XP2024 12 40 Steel Liner 0409 0459 1 0mm 1 2mm x 13ft 4mt XP2024 12 50 Steel Liner 0409 0459 1 0mm 1 2mm x 16ft 5m NI XP2024PC 12 30Polyamide Copper Liner 0309 0459 0 8mm...

Page 14: ...0 Bar E700113 1 Gauge Argon 30 lpm flow E700123 2 Gauge Argon 30 lpm flow Flow Meters Features Designed from brass bar whilst the tube and cover are moulded from high quality polycarbonate to ensure...

Page 15: ...www parweld com 15...

Page 16: ...M303C The above listed products are certified to be compliant with the rohs directive with all homogeneous component parts being controlled to ensure material contents as per the list below Cadmium 0...

Page 17: ...ts or parts of the product determined by Parweld to be defective Parweld makes no other warranty express or implied This warranty is exclusive and in lieu of all others including but not limited to an...

Page 18: ...Parweld Limited Bewdley Business Park Long Bank Bewdley Worcestershire England DY12 2TZ tel 44 1299 266800 fax 44 1299 266900 www parweld com info parweld co uk...

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