Safety Instructions; Controls And Their Functions; Operation; Constant Current Controls - Lincoln Electric LN-8 SVM132-A Service Manual

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Read and understand this entire section before
operating your machine.

SAFETY INSTRUCTIONS

WARNING
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts such
as output terminals or internal wiring.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
____________________________________
FUMES AND GASES
can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
____________________________________
WELDING, CUTTING and
GOUGING SPARKS
can cause fire or explosion
• Keep flammable material away.
• Do not weld, cut or gouge on containers
that have held combustibles.
____________________________________
ARC RAYS
can burn.
• Wear eye, ear and body protection.
____________________________________
Only qualified personnel should operate this equip-
ment. Observe all safety information throughout this
manual.

OPERATION

CONTROLS AND THEIR
FUNCTIONS

CONSTANT CURRENT CONTROLS

Operator controls for welding using a constant current
power source are illustrated in Figure B.1. Refer to the
figure and the following explanations of the controls.
FIGURE B.1 – CONSTANT CURRENT CONTROLS
CIRCUIT
BREAKER
TRIGGER
INTERLOCK
WIRE FEED
DIRECTION
CONTROL
LN-8
CURRENT
CONTROL
VOLTAGE
CONTROL
GROUND LEAD
PROTECTOR
RESET BUTTON
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