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TROUbLESHOOTING

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MAGNUM® & MAGNUM® PRO CURVE 200 GUNS

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

This  Troubleshooting  Guide  is  provided  to  help  you
locate  and  repair  possible  machine  malfunctions.
Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look  under  the  column  labeled  “PROBLEM  (SYMP-
TOMS)”.    This  column  describes  possible  symptoms
that  the  machine  may  exhibit.    Find  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 Facility.

If you do not understand or are unable to perform the
Recommended  Course  of  Action  safely,  contact  your
local Lincoln Authorized Field Service Facility.

HOW TO USE TROUbLESHOOTING GUIDE

Service  and  Repair  should  only  be  performed  by  Lincoln  Electric  Factory  Trained  Personnel.
Unauthorized  repairs  performed  on  this  equipment  may  result  in  danger  to  the  technician  and
machine  operator  and  will  invalidate  your  factory  warranty.    For  your  safety  and  to  avoid  Electrical
Shock, please observe all safety notes and precautions detailed throughout this manual.

__________________________________________________________________________

WARNING

Содержание MAGNUM &MAGNUM PROCURVE 200 K2950

Страница 1: ...eration on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READ ING THIS MANUAL AND THE SAFETY PRECAUTIONS CON TAINED THROUGHOUT And most importantly think before you act and be care...

Страница 2: ...KER 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 purchase a copy...

Страница 3: ...r 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 welde...

Страница 4: ...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...

Страница 5: ...opri s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pa...

Страница 6: ...time Lincoln Electric is not in a position to warrant or guarantee such advice and assumes no liability with respect to such infor mation or advice We expressly disclaim any warranty of any kind incl...

Страница 7: ...n B 1 Electrodes and Equipment B 2 Making a Weld B 2 Avoid Wire Feeding Problems B 2 ________________________________________________________________________ Maintenance Section D Liner Removal D 1 Re...

Страница 8: ...rking in that area of the equipment K446 2 Installation For Adapted Feeders a Remove brass connector see Figure A 1 from the K466 2 kit and screw it onto the feeder end of the gun cable Tighten the co...

Страница 9: ...ling the gas diffuser fully seat the liner bushing in the connector and For K466 1 K466 2 K466 5 and K2950 tighten the set screw in the cable connector OR For K466 3 and K466 4 screw in the connector...

Страница 10: ...r Kit will connect easily to any Lincoln LN 7 LN 8 LN 9 SP200 or LN 25 feeder a Check that the drive roll s and feeder guide tubes are appropriate for the electrode size being used b Fully push the br...

Страница 11: ...ss adapter on the outgoing side of the feeder wire drive Secure the cable using the hand screw or set screw in the adapter c Insert the control cable plug from the feeder trigger circuit into the mati...

Страница 12: ...MAGNUM Fast Connect Gas Tube Kit is available to provide tool less gas tube connection to Lincoln wire feeders Non GMA model wire feeders require an optional gas solenoid valve The K497 gun can also...

Страница 13: ...rigger interlock circuit AVOIDING WIRE FEEDING PRObLEMS Wire feeding problems can be avoided by observing the following gun handling procedures a Do not kink or pull cable around sharp corners b Keep...

Страница 14: ...ion and Trimming Instruction for K497 K2950 with K466 Connector Kit installed a For gun and cables using a K466 1 K466 2 or K466 5 connector kit locate and loosen two set screws which are used to hold...

Страница 15: ...re D 2 NOTE For best results insert a 175 197 inch 4 5 5 0 mm diameter rod through the connector and into core of cable approximately 5 00 inch 127 mm when pushing the connector tube into the cable co...

Страница 16: ...3 MAINTENANCE D 3 Wire Feeder End Repair Requires 2 S19492 1 Terminals a Remove the cable liner per Removal Installation and Trimming Instructions in this section b Remove the feeder end connector mol...

Страница 17: ...ed 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...

Страница 18: ...if it is rusty 7 Worn or improper size cable liner Replace cable liner 8 Partially flashed melted or improper size contact tip Replace the contact tip 1 Contact tip worn or incorrect size Replace con...

Страница 19: ...parts or electrode with skin or wet clothing l Insulate yourself from work and ground l No toque las partes o los electrodos bajo carga con la piel o ropa moja da l Aislese del trabajo y de la tierra...

Страница 20: ...d Entl ftung des Arbeitsplatzes l Mantenha seu rosto da fuma a l Use ventila o e exhaust o para remover fumo da zona respirat ria l Turn power off before servicing l Desconectar el cable de ali mentac...

Страница 21: ...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 Pr...

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