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11. Do not modify or exchange gas cylinder fittings.
12. Close the cylinder valve and immediately remove the faulty regulator from service for
repair, if any of the following conditions exist:
12.1
Gas leaks externally.
12.2
Delivery pressure continues to rise with the downstream valve closed.
12.3
The gauge pointer does not move off the stop pin when pressurized or fails to return
to the stop pin after pressure is released.
13. Do not attempt to make regulator repairs. Send faulty regulators to the manufacturer's
designated repair center.
14. Do not weld on the gas cylinder.
15. Keep your head and face away from the cylinder valve outlet when opening the cylinder valve.
16. Compressed gas cylinders must not be located in a confined space with the person welding
to prevent the possibility of leaks displacing the oxygen.
ELECTRICAL SAFETY
1.
Do not come into physical contact with the welding current circuit. The welding current
circuit includes:
1.1 The workpiece or any conductive material in contact with it.
1.2 The ground clamp.
1.3 The electrode or welding wire;
1.4 Any metal parts on the electrode holder or wire feed torch.
1.5 The output terminals.
2.
Insulate yourself from the electrical current and ground using electrical insulating mats or
covers big enough to prevent physical contact with the workpiece or ground.
3.
Connect the ground clamp as close to the welding area on the workpiece as practical to
prevent welding current from traveling along an unexpected path and causing an electric
shock or fire hazard.
3.1 An option is to attach the ground clamp to a bare metal spot on a metal workbench.
The circuit will complete as long as the workpiece is also in full contact with the bare
metal workbench.
4. Do not weld on damp surfaces that can transmit the electric current without taking
precautions for the welder and bystanders. The electrode, welding head and nozzle are
electrically 'hot'.
5.
Only use insulated connectors to join welding cables.
6.
Ensure there are no contacts between the workpiece and work area that would allow it to
ground, other than through the ground cable circuit
7.
Do not exceed the duty cycle or amperage required for the type of welding. Excessive
amperage can cause the deterioration of protective insulation and create a shock hazard.
8.
Unplug the welding unit when not in use as the unit as current is still entering the unit, even
when it is turned off.
9.
Frequently inspect input power cable for wear and tear, replace the cable immediately if
damaged. Bare wiring is dangerous and can kill.
10. Do not use damaged, under sized or badly joined cables.
11. Do not disconnect the power cord in place of using the ON/OFF switch on the tool. This will
prevent an accidental startup when the power cord is plugged into the power supply.
Visit www.princessauto.com for more information
145A MULTI-PROCESS MIG-ARC-TIG WELDER
8619470
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