Safety; Signal Explanation; Arc Welding Damage - Matco Tools MM200 LCD Operator's Manual

1 Safety

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§1.1 Signal Explanation

The above signals mean warning! Notice! Running parts and getting an electric shock or thermal parts will
take damage for your body or others. The corresponding notices are as follows. It is quite a safe operation
after taking several necessary protection measures.
§1.2 Arc Welding Damage
 The following signals and word explanations are to some damages for your body or others happening on the
welding operation. While seeing these, please remind of yourself or others to be dangerous.
 Only ones who are trained professionally can install, debug, operate, maintain and repair the equipment.
 During the operation, non-concerned people should be lift, especially for children.
 After shut off the machine power, please maintain and examine the equipment according to §5 because of
the DC voltage existing in the electrolytic capacitors.
ELECTRIC SHOCK CAN KILL.
 Never touch electrical parts.
 Wear dry, hole-free gloves and clothes to insulate yourself.
 Insulate yourself from work and ground using dry insulation. Make certain the insulation is large enough to
cover your full area of physical contact with work and ground.
 Take carefully when using the equipment in small place, falling-off and wet circumstance.
 Never close the machine power before installation and adjustment.
welded to a good electrical
Ensure to install the equipment correctly and ground the work or metal to be
(earth) ground according the operation manual.
The electrode and work (or ground) circuits are electrically "hot" when the
welder is on. Do not
touch these "hot" parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands.
 In semiautomatic or automatic wire welding, the electrode, electrode reel, welding head, nozzle or
semiautomatic welding gun are also electrically "hot".
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