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OM-254 449 Page 1

SECTION 1 

  SAFETY PRECAUTIONS - READ BEFORE USING

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09

Protect yourself and others from injury —

 

read, follow, and save these important safety precautions and operating instructions.

1-1. Symbol Usage

DANGER! 

 Indicates a hazardous situation which, if

not avoided, will result in death or serious injury. The

possible hazards are shown in the adjoining symbols

or explained in the text.
Indicates a hazardous situation which, if not avoided,

could result in death or serious injury. The possible

hazards are shown in the adjoining symbols or ex-

plained in the text.

NOTICE

 

 Indicates statements not related to personal injury.

.

Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC

SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-

bols and related instructions below for necessary actions to avoid the

hazards.

1-2. Plasma Arc Cutting Hazards

The symbols shown below are used throughout this manual

to call attention to and identify possible hazards. When you

see the symbol, watch out, and follow the related instructions

to avoid the hazard. The safety information given below is

only a summary of the more complete safety information

found in the Safety Standards listed in Section 1-5. Read and

follow all Safety Standards.

Only qualified persons should install, operate, maintain, and

repair this unit.

During operation, keep everybody, especially children, away.

Hot metal and sparks blow out from the cutting arc.

The flying sparks and hot metal, hot workpiece, and

hot equipment can cause fires and burns. Check

and be sure the area is safe before doing any cutting.

CUTTING can cause fire or explosion.

D

Remove all flammables within 35 ft (10.7 m) of the cutting arc. If this

is not possible, tightly cover them with approved covers.

D

Do not cut where flying sparks can strike flammable material.

D

Protect yourself and others from flying sparks and hot metal.

D

Be alert that sparks and hot materials from cutting can easily go

through small cracks and openings to adjacent areas.

D

Watch for fire, and keep a fire extinguisher nearby.

D

Be aware that cutting on a ceiling, floor, bulkhead, or partition can

cause fire on the hidden side.

D

Do not cut on containers that have held combustibles, or on closed

containers such as tanks, drums, or pipes unless they are properly

prepared according to AWS F4.1 and AWS A6.0 (see Safety Stan-

dards).

D

Connect work cable to the work as close to the cutting area as prac-

tical to prevent cutting current from traveling long, possibly unknown

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

D

Do not use plasma cutter to thaw frozen pipes.

D

Never cut containers with potentially flammable materials inside 

they must be emptied and properly cleaned first.

D

Do not cut where the atmosphere may contain flammable dust, gas,

or liquid vapors (such as gasoline).

D

Do not cut pressurized cylinders, pipes, or vessels.

D

Wear body protection made from durable, flame

resistant material

(leather, heavy cotton, wool). Body protection includes oil-free

clothing such as leather gloves, heavy shirt, cuffless trousers, high

shoes, and a cap.

D

Do not locate unit on or over combustible surfaces.

D

Remove any combustibles, such as a butane lighter or matches,

from your person before doing any cutting.

D

After completion of work, inspect area to ensure it is free of sparks,

glowing embers, and flames.

D

Use only correct fuses or circuit breakers. Do not oversize or by-

pass them.

D

Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B

for hot work and have a fire watcher and extinguisher nearby.

Touching live electrical parts can cause fatal shocks

or  severe burns. The torch and work circuit are

electrically live whenever the output is on. The input

power circuit and machine internal circuits are also

live when power is on. Plasma arc cutting requires

higher voltages than welding to start and maintain the arc (200 to 400

volts dc are common), but may also use torches designed with safety

interlock systems which turn off the machine when the shield cup is

loosened or if tip touches electrode inside the nozzle. Incorrectly

installed or improperly grounded equipment is a hazard.

ELECTRIC SHOCK can kill.

D

Do not touch live electrical parts.

D

Wear dry, hole-free insulating gloves and body protection.

D

Insulate yourself from work and ground using dry insulating mats or

covers big enough to prevent any physical contact with the work or

ground.

D

Do not touch torch parts if in contact with the work or ground.

D

Turn off power before checking, cleaning, or changing torch parts.

D

Disconnect input power before installing or servicing this equip-

ment. Lockout/tagout input power according to OSHA CFR

1910.147 (see Safety Standards).

D

Properly install, ground, and operate this equipment according to its

Owner’s Manual and national, state, and local codes.

D

Check and be sure that input power cord ground wire is properly

connected to ground terminal in disconnect box or that cord plug is

connected to a properly grounded receptacle outlet 

 always verify

the supply ground.

D

When making input connections, attach proper grounding conduc-

tor first.

D

Keep cords dry, free of oil and grease, and protected from hot metal

and sparks.

D

Frequently inspect input power cord and ground conductor for dam-

age or bare wiring – replace immediately if damaged – bare wiring

can kill.

D

Turn off all equipment when not in use.

D

Do not use worn, damaged, undersized, or repaired cables.

D

Do not wrap torch cable around your body.

D

Ground the workpiece to a good electrical (earth) ground if required

by codes.

D

Use only well-maintained equipment. Repair or replace damaged

parts at once.

D

Wear a safety harness if working above floor level.

D

Keep all panels and covers securely in place.

D

Do not bypass or try to defeat the safety interlock systems.

D

Use only torch(es) specified in Owner’s Manual.

D

Keep away from torch tip and pilot arc when trigger is pressed.

D

Clamp work cable with good metal-to-metal contact to workpiece

(not piece that will fall away) or worktable as near the cut as

practical.

D

Insulate work clamp when not connected to workpiece to prevent

contact with any metal object.

Содержание XT30C

Страница 1: ...XT Torches Processes Description OM 254 449B 2014 02 Plasma Cutting Torch Visit our website at www MillerWelds com Air Plasma Cutting and Gouging File Plasma Cutters...

Страница 2: ...ntinue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get...

Страница 3: ...y Lock 14 4 2 Installing 30 Ampere XT30 Torch And Work Cable On Spectrum 375 X TREME Stock No 907 303 And 907 339 Prior To Serial No MB290336P And Using Trigger Safety Lock 15 4 3 Installing 30 Ampere...

Страница 4: ......

Страница 5: ...vy cotton wool Body protection includes oil free clothing such as leather gloves heavy shirt cuffless trousers high shoes and a cap D Do not locate unit on or over combustible surfaces D Remove any co...

Страница 6: ...r s instructions for adhesives coatings cleaners consumables coolants degreasers fluxes and metals D Work in a confined space only if it is well ventilated or while wearing an air supplied respirator...

Страница 7: ...pose FALLING EQUIPMENT can injure D Use lifting eye to lift unit only NOT running gear gas cylinders or any other accessories D Use equipment of adequate capacity to lift unit D If using lift forks to...

Страница 8: ...b site www ansi org Standard for Fire Prevention During Welding Cutting and Other Hot Work NFPA Standard 51B from National Fire Protection Association Quincy MA 02269 phone 1 800 344 3555 website www...

Страница 9: ...udage sur des conteneurs ferm s tels que des r servoirs tambours ou conduites moins qu ils n aient t pr par s correctement conform ment AWS F4 1 et AWS A6 0 voir les Normes de S curit D Ne coupez pas...

Страница 10: ...ise sous tension toute pi ce d fectueuse des sources d alimentation de l inverseur peut exploser ou faire exploser d autres pi ces Pour entretenir les inverseurs toujours porter un masque protecteur e...

Страница 11: ...e vous appuyez sur la g chette l arc pilote s allume automatiquement D Mettez l alimentation hors tension et d branchez le cordon d ali mentation avant de d monter le chalumeau ou de changer une pi ce...

Страница 12: ...l quipement c bles et cordons distance des v hicules mobiles lors de toute op ration en hauteur D Suivre les consignes du Manuel des applications pour l quation de levage NIOSH r vis e Publication N 9...

Страница 13: ...Standard for Fire Prevention During Welding Cutting and Other Hot Work NFPA Standard 51B from National Fire Protection Association Quincy MA 02269 phone 1 800 344 3555 website www nfpa org OSHA Occup...

Страница 14: ...0 VDC at 1 Amp Approved Systems Spectrum 375 X TREME w XT30 torch Trigger Protection Safety trigger guard Safety Devices Safety interlock devices shut down power source Rated Capacity edge start 3 8 i...

Страница 15: ...proved Systems Spectrum 375 X TREME w XT30 torch Trigger Protection Safety trigger guard Safety Devices Safety interlock devices shut down power source Rated Capacity edge start 3 8 in at 15 ipm 381 m...

Страница 16: ...625 X TREME w XT40 torch Trigger Protection Safety trigger guard Safety Devices Safety interlock devices shut down power source Rated Capacity edge start 5 8 in at 13 ipm 330 mm min Sever Cut Capacit...

Страница 17: ...Auto Line w XT60 torch Trigger Protection Safety trigger guard Safety Devices Safety interlock devices shut down power source Rated Capacity edge start 7 8 in at 13 ipm 22 2 mm at 330 mm min Sever Cut...

Страница 18: ...ir line connector into solenoid fitting Pull slightly on torch to set fitting 4 Plug PLG1 Receptacle RC4 Connect PLG1 from torch to receptacle RC4 on end of wiring harness connected to circuit board P...

Страница 19: ...do not tighten 4 Air Line Connector Insert air line connector into solenoid fitting Pull slightly on torch to set fitting 5 Plug PLG1 Receptacle RC1 Connect PLG1 from torch to receptacle RC1 on end o...

Страница 20: ...end of wiring harness connected to circuit board PC1 5 Ring Terminal And Terminal PILOT Connect ring terminal on end of red leads to PILOT terminal 6 Ring Terminal And Terminal L2 RED Connect ring te...

Страница 21: ...Connect PLG1 from torch to receptacle RC1 on end of wiring harness connected to circuit board PC1 6 Ring Terminal And Terminal PILOT Connect ring terminal on end of red leads to PILOT terminal 7 Ring...

Страница 22: ...olenoid fitting Pull slightly on torch to set fitting 4 Plug PLG1 Receptacle RC4 Connect PLG1 from torch to receptacle RC4 on end of wiring harness connected to circuit board PC1 5 Ring Terminal And T...

Страница 23: ...e collar to release torch connector from receptacle and pull torch connector away from unit 4 Trigger Ref 253554 A Ref 264 954 B 2 1 3 Trigger Locked Trigger Unlocked 4 4 7 Connecting And Disconnectin...

Страница 24: ...ct torch Push torch connector onto receptacle and quick connect until collar secures nipple Rotate securing pin clockwise to lock connector to unit To disconnect torch Rotate securing pin counterclock...

Страница 25: ...on workpiece as close to cutting area as possible 90 DO NOT start pilot arc without cutting or gouging as this shortens the service life of the nozzle and electrode Sparks should pass through the wor...

Страница 26: ...arts Postflow continues for approx 20 seconds after releasing trigger cutting arc can be instantly restarted during postflow by raising trigger lock and pressing trigger The pilot arc starts immediate...

Страница 27: ...rted during postflow by raising trigger lock and pressing trigger The pilot arc starts immediately when trigger is pressed Hold torch at approximately 45 to the workpiece Raise trigger lock and press...

Страница 28: ...Or Unreadable Labels Air Filter Regulator l Cracked Parts n l Gas Air Hose n l Torch Body Cable Every 6 Months OR Inside Unit 6 2 Shield Cup Shutdown System Ref 253 554 A 1 Torch Shield Cup Turn Power...

Страница 29: ...or cracks and replace if necessary 2 Tip 3 Opening Remove tip Check tip and replace if open ing is deformed or 50 oversize If inside of tip is not clean and bright clean with steel wool Be sure to rem...

Страница 30: ...1 Clean or replace torch consumables as necessary see Section 6 3 Sparks come out top of cut or cut is not clean Torch travel speed too fast reduce travel speed see Section 5 1 Clean or replace torch...

Страница 31: ...H THE BRANCH CIRCUITS SHOWN 15A MVP 120V 219 261 20A MVP 120V 219 259 50A MVP 240V 219 258 FAILURE TO REPLACE WORN TIP OR ELECTRODE WILL DAMAGE TORCH AND VOID WARRANTY S S Turn off power before checki...

Страница 32: ...N 15A MVP 120V 219 261 20A MVP 120V 219 259 50A MVP 240V 219 258 FAILURE TO REPLACE WORN TIP OR ELECTRODE WILL DAMAGE TORCH AND VOID WARRANTY S S Turn off power before checking torch parts Check befor...

Страница 33: ...er Microswitch 1 3 260 637 Leads XT40 12ft Hand Held Torch w Disconnect 1 3 260 638 Leads XT40 20ft Hand Held Torch w Disconnect 1 4 252 938 Torch Body Kit 1 5 249 972 Torch Trigger Assembly w Spring...

Страница 34: ...se set Amperage control to 40 Figure 7 7 Consumable Parts For XT40 To maintain the factory original performance of your equipment use only Manufacturer s Suggested Replacement Parts Model is required...

Страница 35: ...dy 1 6 259 359 Strain Relief 1 7 259 330 Torch Replacement Leads 25 ft 1 Part No Item No Description 4 See 7 7 for additional consumable parts 3 2 1 Ref 264 954 A 5 7 6 Figure 7 8 Torch XT40M To maint...

Страница 36: ...ip 1 7 249 931 30 40 Amp Swirl Ring 1 8 249 926 30 40 Amp Electrode 1 9 249 969 O Ring 1 Part No Item No Description See 7 7 for additional consumable parts Ref 264 954 A 1 2 3 4 5 6 7 8 9 Figure 7 9...

Страница 37: ...cement 20 ft 1 249 954 Torch Replacement 50 ft 1 See Figure 7 11 for additional consumable parts 1 1 2 3 4 5 Item No Part No Description Ref 256 001 A Figure 7 10 Torch XT60 265 172 A For extended tip...

Страница 38: ...249 956 Torch Machine Long Body Replacement 50 ft 1 257 464 Torch Machine Short Body Replacement 25 ft 1 263 952 Torch Machine Short Body Replacement 50 ft 1 Part No Item No Description 5 See 7 11 for...

Страница 39: ...Warranty shall not apply to 1 Consumable components such as contact tips cutting nozzles contactors brushes relays work station table tops and welding curtains or parts that fail due to normal wear Ex...

Страница 40: ...your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal Safety Equip...

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