Maintenance; Safety Precautions; Routine And Periodic Maintenance; Recommended Tools - Lincoln Electric MAGNUM 100SG Manual Del Operacion

D-1

SAFETY PRECAUTIONS

WARNING
ELECTRIC SHOCK can kill.
• Only qualified personnel should
perform this maintenance.
• Turn the input power OFF at the
disconnect switch or fuse box
before working on this
equipment.
• Do not touch electrically hot
parts.

ROUTINE AND PERIODIC MAINTENANCE

RECOMMENDED TOOLS

• #2 Phillips screwdriver
• Slotted screwdriver
• 5/16 inch nut driver
• Torque Wrench
• Adjustable-jaw pliers
• 7/16 inch open-end wrench (gas diffuser)
• 9/16 inch open-end wrench (gun tube nut)
• Welding pliers (optional)
• Wire cutter
• Wire stripper
• Needle nose pliers
• Terminal crimping tool
• Flashlight
• Hand-held electrical meter
• 3.0 mm metric allen wrench (drive roll screw)
• Tape measure or 6-inch scale
• Tachometer (optional)
*
Note: Two meters are used for simultaneously mea-
suring drive motor's voltage and current.

CLEANING AND INSPECTIONS

• Vacuum out any aluminum shavings that may have
accumulated inside of the gun. ( See Correcting Wire
Shaving Issues in this section).
• Wipe off dust and debris.
• Check that the gun tube and its lock nut are properly
tightened to the cable connector.
• Replace any warning or product identification decals
that have become illegible.

MAINTENANCE

*
MAGNUM 100SG SPOOL GUN

P6 CONNECTOR PIN-OUT

TABLE D.1
Pin No. Function
1 Trigger
2 Trigger
3 + Motor
4 - Motor

GAS DIFFUSER REPLACEMENT

This part may need to be replaced if it has accumulat-
ed excessive spatter and cannot be cleaned:
1. Remove gas cone and contact tip.
2. Carefully grasp gun tube with pliers to prevent acci-
dentally loosening gun tube. Gas diffuser has right-
hand threads. Loosen gas diffuser with wrench.
(See Figure D.1)
FIGURE D.1
3. Install gas diffuser and thread into place in gun
tube. Tighten diffuser to 41 to 47 in.-lbs. with
Torque Wrench.
D-1
Gun Cable Lead Color
White
White
Red
Black