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D-4

MAINTENANCE

D-4

6. Remove the two trigger terminals from the modular

trigger terminal housing.

7. Remove the incoming connector assembly (see

Item 8 Figure A.4, Installation Section) from the gun
cable.

8. Remove the damaged gun cable by sliding it rear-

ward from the vacuum hose.

9. Install the new gun cable by sliding it forward

through the vacuum hose.

10. Reassemble gun by reversing steps 1 through 7,

noting the following:

• Route trigger leads per this section 

Trigger

and Accessory Switch Lead Routings
(see figure D.1)

.

• Installation torques for both the incoming

connector and gun tube assemblies: 10 to 12
ft.-lbs..

• The order of connection of the trigger termi-

nals (red and white leads) to the trigger
assembly or in the Y connector is unimpor-
tant (non-polarized connections).

• Reassemble the Y connector by reversing

steps shown in 5.

• Install a new liner if it does not meet the cut

dimensional range given per this section

Liner Assembly Cleaning or Replacement

.

MAGNUM™ PRO 350 and 550 FUME GUNS

Содержание MAGNUM 350

Страница 1: ...n and thoughtful opera tion on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before y...

Страница 2: ...Y PACEMAKER 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...

Страница 3: ...r 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 w...

Страница 4: ...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 s...

Страница 5: ...ri 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 pan...

Страница 6: ...sion at that time Lincoln Electric is not in a position to warrant or guarantee such advice and assumes no liability with respect to such information or advice We expressly disclaim any warranty of an...

Страница 7: ...Welding B 3 Load Specified Wire into the Gun B 3 Make the Weld B 3 __________________________________________________________________________ Accessories Section C 1 __________________________________...

Страница 8: ...inch solid wire GMAW K2649 1 1 16 inch cored wire FCAW and FCAW GS K2650 1 3 32 inch cored wire FCAW and FCAW GS K2649 1 350 amps at 100 all processes K2650 1 550 amps at 100 FCAW and FCAW GS K2650 1...

Страница 9: ...ru 10 1 1 8 Turn Fume Collection Nozzle FCAW self shielded version shown 2 Heavy Duty Slip On Gas Nozzle Assembly 3 Heavy Duty Gas Diffuser Assembly with Magnum Pro Contact Tip 4 Fume Tube Assembly wi...

Страница 10: ...ow rate of 50 to 70 SCFH thru the fume gun SAFETY PRECAUTIONS ELECTRIC SHOCK CAN KILL Turn the input power OFF at the weld ing power source before installation or changing drive rolls and or guides Do...

Страница 11: ...74 Series 10 feeders LN 15 PF 10M PF 15M Power MIG Wirematic series feeders LN 7 LN 8 LN 9 series 0 052 max LN 8 LN 9 series 1 16 min Series 10 feeders PF 10M No 2 3 and 4 guns Intellimatic Side Kick...

Страница 12: ...NSUMABLE PARTS 1 LINER ASSEMBLY Note that the Magnum Pro 350 and 550 amp fume guns use the same liner assemblies as the Magnum 300 and 550 MIG gun products respectively 2 CONTACT TIP See Figure A 5 3...

Страница 13: ...ed 3 Plug the trigger harness into the gun s Y connector Plug the trigger harness connector into the recep tacle on the front of the feeder CONNECT THE GUN TO THE FUME COLLECTION SYSTEM 1 Speed settin...

Страница 14: ...ar eye ear and body protection SAFETY PRECAUTIONS Read and understand this entire section before operat ing the machine Observe additional Safety Guidelines detailed in the beginning of this manual WA...

Страница 15: ...ER POSITION See Figure B 1 1 Trigger down position shown 2 Loosen Locking Collar counter clockwise right hand threads on fune tube 3 Hold fume tube stationary Rotate handle Counter clockwise counter c...

Страница 16: ...ion Manual 2 Cut off the wire so that it extends about 1 4 inches from the contact tip 3 Verify that the input power is connected to the machine and wire feeder 4 Flip the machine s and feeder s power...

Страница 17: ...C 1 ACCESSORIES C 1 ACCESSORIES OR OPTIONS Optional dual procedure switch and modular trigger connection to wire feeder Spoiler An optional ergonomic hand grip MAGNUM PRO 350 and 550 FUME GUNS...

Страница 18: ...s that have become illegible GAS DIFFUSER REPLACEMENT See Select and Install Consumable Parts Installation Section This part may need to be replaced if it has accumulat ed excessive spatter and cannot...

Страница 19: ...nut end 2 Run sleeved trigger leads red and white parallel to gun centerline and next to accessory leads sleeving Rear end of sleeving right side in photo is even with copper cable nut end 3 Remove s...

Страница 20: ...place and reassemble the gun Be careful not to pinch any leads between gun handle halves GUN CABLE ASSEMBLY REPLACEMENT In general the 350 and 550 gun cables have no ser viceable or maintainable part...

Страница 21: ...ough 7 noting the following Route trigger leads per this section Trigger and Accessory Switch Lead Routings see figure D 1 Installation torques for both the incoming connector and gun tube assemblies...

Страница 22: ...s 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 Author...

Страница 23: ...act tip size too small for wire diameter used 1 Drive roll is worn or galled 2 Machine s wire feed speed setting is too low 3 Wire is obstructed somewhere along the wire feed path in the gun 4 Low mot...

Страница 24: ...t is switched off 6 Fume extraction equipment is non functional 7 Fume extraction equipment has blocked filters 8 Lincoln Miniflex extractor is set to low speed 9 Vacuum hose is partially or completel...

Страница 25: ...r welding parameters or technique example ESO is too short 2 Wire may be feeding intermittent ly 1 No gas flow 2 Low gas flow 3 Improper or contaminated shield ing gas 4 Welding in a windy environment...

Страница 26: ...sive spatter accumulation on gas cone or gas diffuser 8 Excessive gas leakage from sup ply 10 Gas leakage at gun to feeder connection 1 Defective trigger contacts closed or dirty 2 Defective closed tr...

Страница 27: ...NOTES MAGNUM PRO 350 and 550 FUME GUNS...

Страница 28: ...NOTES MAGNUM PRO 350 and 550 FUME GUNS...

Страница 29: ...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...

Страница 30: ...e Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de ali mentaci...

Страница 31: ...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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