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D-2

TROUBLESHOOTING

D-2

PLASMA TORCH

Observe all Safety Guidelines detailed throughout this manual

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

Local

Lincoln Authorized Field Service Facility

for technical troubleshooting assistance before you proceed.

CAUTION

FUNCTION PROBLEMS

PROBLEMS

(SYMPTOMS)

POSSIBLE CAUSE

RECOMMENDED

COURSE OF ACTION

The torch does not start when the
trigger is pulled

a. Blown fuse

b. Electrode or nozzle missing

c. Torch misconnected

d. Consumables are worn exces-

sively

e. Torch connections assembled

improperly or shorted

f. Cable damaged

g. Air is not connected or the pres-

sure setting is low.

a. Make sure all fuses are good

and the Pro-Cut is reconnected
for the proper voltage.

b. Properly assemble an electrode,

swirl ring, nozzle and shield cup
on the torch.

c. Make sure the torch is properly

connected to the front of the

Pro-Cut.

d. Replace electrode and nozzle

and replace shield cup hand
tight.

e. Remove the handles (or barrel)

of the torch and examine all the
connections. Pay attention to
location of electrode lead mount-
ing at back of torch head, bro-
ken trigger and solenoid leads.

f. Examine the cable for cuts or

punctures. Make sure there is

continuity from the nozzle at the

torch head to pins 7 & 8 at the

quick connect. Make sure there

is continuity from the electrode at

the torch head to the gas fitting

at the quick connect. Make sure

there is no blockage of airflow in

the cable. Make sure there is

continuity between pins 1 & 9 at

the quick connect while the trig-

ger is pulled. Replace any dam-

aged cable.

g. Check air supply and connec-

tions.

Содержание PCT 80

Страница 1: ...RE CAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful PCT80 PCT80M PCT80R Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Products Date of Purchase Serial Number Code Number Model Where Purchased Copyright 200...

Страница 2: ...R WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you pur chase a copy of Safety in Welding Cutting ANSI Standard Z49 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E205 is avail...

Страница 3: ...ical earth ground 3 f Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation 3 g Never dip the electrode in water for cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders 3...

Страница 4: ...event the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Weldin...

Страница 5: ...és et non inflammables 4 Des gouttes de laitier en fusion sont émises de l arc de soudage Se protéger avec des vêtements de protection libres de l huile tels que les gants en cuir chemise épaisse pan talons sans revers et chaussures montantes 5 Toujours porter des lunettes de sécurité dans la zone de soudage Utiliser des lunettes avec écrans lateraux dans les zones où l on pique le laitier 6 Eloig...

Страница 6: ... statement appears where the information must be followed to avoid minor personal injury or damage to this equipment CAUTION v v Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for material damaged in shipment must be made by the purchaser against the transportation company at th...

Страница 7: ...BLE OF CONTENTS Page SPECIFICATION SUMMARY A 1 GENERAL DESCRIPTION A 2 INSTALLATION A 2 OPERATION B 1 MAINTENANCE C 1 TORCH HEAD AND CABLE REPLACEMENT C 2 TROUBLESHOOTING D 1 PARTS LISTS P210 K P210 M and P210 N vi vi ...

Страница 8: ... 80A machine S22147 055 1 35mm orifice S22147 082 2 08mm orifice for gouging 80 Amps 100 Duty Cycle K1571 1 PCT80 Hand held Plasma Torch with 25 ft 7 6m cable 8 7 lbs 3 95 kg K1571 2 PCT80 Hand held Plasma Torch with 50 ft 15 2m cable 14 2 lbs 6 44 kg K1571 3 PCT80M Plasma Machine Torch with 25 ft 7 6m cable 15 1lbs 6 85 kg K1571 4 PCT80M Plasma Machine Torch with 50ft 15 2m cable 15 1 lbs 6 85 kg...

Страница 9: ...TALLATION ELECTRIC SHOCK can kill Only qualified personnel should perform this installation Turn the input power OFF at the discon nect switch or fuse box before working on this equipment Do not touch electrically hot parts Do not operate with covers removed TOOLS REQUIRED None A Turn off power to the Pro Cut at the disconnect switch or fuse box Do not proceed until the power is definitely turned ...

Страница 10: ...ld cup over the nozzle and tighten firmly by hand Slide the drag cup onto the shield cup for drag cutting E Restore power to the Pro Cut ALWAYS USE GENUINE LINCOLN ELECTRIC ELECTRODES AND VORTECH NOZZLES Only Genuine Lincoln Electric consumables yield the best cutting performance for the PRO CUT 55 and PRO CUT 80 The patented VORTECH nozzle provides an extra kick of swirl as the arc exits the nozz...

Страница 11: ...to compensate for unique individual condi tions Test all procedures duplicating actual field con ditions OPERATION A Connect the ground lead to the material to be cut B Turn the Pro Cut ON with the power switch on the front of the machine C Press the Purge switch and hold Adjust the regu lator until the pressure gage reads 70 psi 4 8 Bar Release the Purge switch and the air flow will stop The pres...

Страница 12: ...ty environments Replace if necessary Inspect the cable periodically for any slits or puncture marks in the cable jacket Replace if necessary Check to make sure that nothing is crushing the cable and blocking the flow of air through the air tube inside Also check for kinks in the cable and relieve any so as not to restrict the flow of air to the torch Replace the electrode when the pit in the cente...

Страница 13: ...orch head to remove the electrode lead and then unplug the electrical connector 5 Using the 7 16 and 1 2 open end wrenches dis connect the air connection and remove the entire torch head assembly 6 Replace Torch Head or Cable Assembly as follows a For replacing the torch head obtain a new torch head and discard the old one if damaged b For replacing the cable assembly slide the bar rel strain reli...

Страница 14: ...head of the screw is fully seated in the countersunk hole 10 Thread strain relief nut into barrel and tighten Recommended torque 70 80 in lbs Thread strain relief onto strain relief nut and tighten Recommended torque 50 60 in lbs 11 Minimum safety check using an ohm meter verify that greater than 10 megohms exists between the barrel and all of the pins on the central adapter assembly 12 Restore po...

Страница 15: ... the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact your local Lincoln Authorized Field Service Fac...

Страница 16: ...ood and the Pro Cut is reconnected for the proper voltage b Properly assemble an electrode swirl ring nozzle and shield cup on the torch c Make sure the torch is properly connected to the front of the Pro Cut d Replace electrode and nozzle and replace shield cup hand tight e Remove the handles or barrel of the torch and examine all the connections Pay attention to location of electrode lead mount ...

Страница 17: ...solenoid assembly i Refer to the troubleshooting guide for the Pro Cut a After changing consumables the reset button must be pressed b Make sure an electrode swirl ring nozzle and shield cup are all properly assembled on the torch Always tighten the shield cup firmly c Replace both electrode and noz zle when they appear to be excessively worn d Make sure the torch is properly connected to the fron...

Страница 18: ...F ACTION Only a brief spurt of a Pilot Arc appears f Pro Cut inoperative a Make sure the air pressure is set correctly b Air flow may be restricted c There may be oil in the air d The Pro Cut is not working prop erly f Refer to the troubleshooting guide for the Pro Cut a Press the Purge button on the Pro Cut and adjust the air pres sure to 70 psi while the air is flowing b Check air connection to ...

Страница 19: ... touch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder El...

Страница 20: ...ie für gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não o...

Страница 21: ...s and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Products ...

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