Lincoln Electric 215 manual GUN and Cable Installation, Shielding GAS

POWER MIG 215

A-4	INSTALLATION			A-4
GUN AND CABLE INSTALLATION		2. Remove the cylinder cap. Inspect the cylinder
		valves and regulator for damaged threads, dirt,
The Magnum 250L gun and cable provided with the		dust, oil or grease. Remove dust and dirt with a
POWER MIG 215 is factory installed with a liner for		clean cloth.
.035-.045" (0.9-1.2 mm) electrode and an .035" (0.9		DO NOT ATTACH THE REGULATOR IF OIL,
mm) contact tip. Be sure that the contact tip, liner, and		GREASE OR DAMAGE IS PRESENT! Inform your
drive rolls all match the size of the wire being used.		gas supplier of this condition. Oil or grease in the
WARNING		presence of high pressure oxygen is explosive.
Turn the welder power switch off before installing		3. Stand to one side away from the outlet and open
		the cylinder valve for an instant. This blows away
gun and cable.		any dust or dirt which may have accumulated in the
1. Lay the cable out straight.		valve outlet.	WARNING
2. Unscrew knurled screw on the drive unit front end
(inside wire feed compartment) until tip of screw no		Be sure to keep your face away from the valve
longer protrudes into gun opening as seen from
front of machine.		outlet when “cracking” the valve.
3. Insert the male end of gun cable into the Gun		4. Attach the flow regulator to the cylinder valve and
Adapter casting through opening in front panel.
Make sure connector is fully inserted and tighten		tighten the union nut(s) securely with a wrench.
knurled screw.		NOTE: If connecting to 100% CO2		cylinder, an
4. Connect the gun trigger connector from the gun		additional regulator adapter must be installed
		between the regulator and cylinder valve. If adapter
and cable to the mating receptacle inside the com-		is equipped with a plastic washer, be sure it is seat-
partment located above the gun connection made		ed for connection to the CO2 cylinder.
in item 3 above. Make sure that the keyways are		5. Attach one end of the inlet gas hose to the outlet
aligned, insert and tighten retaining ring.
SHIELDING GAS		fitting of the flow regulator, the other end to the
		POWER MIG 215 rear fitting, and tighten the union
(For Gas Metal Arc Welding Processes)		nuts securely with a wrench.
Customer must provide cylinder of appropriate type		6. Before opening the cylinder valve, turn the regula-
shielding gas for the process being used.		tor adjusting knob counterclockwise until the
A gas flow regulator, for Argon blend gas, and an inlet		adjusting spring pressure is released.
gas hose are factory provided with the POWER MIG		7. Standing to one side, open the cylinder valve slow-
215. When using 100% CO2	an additional adapter will	ly a fraction of a turn. When the cylinder pressure
be required to connect the regulator to the gas bottle.		gauge pointer stops moving, open the valve fully.
WARNING			WARNING
CYLINDER may explode if		Never stand directly in front of or behind the flow
damaged.		regulator when opening the cylinder valve. Always
• Gas under pressure is explosive. Always		stand to one side.
keep gas cylinders in an upright position		___________________________________________
and always keep chained to undercarriage		8. The flow regulator is adjustable. Adjust it to the flow
or stationary support. See American
National Standard Z-49.1, “Safety in		rate recommended for the procedure and process
Welding and Cutting” published by the
American Welding Society.		being used before making the weld.
Install shielding gas supply as follows:		AUXILIARY POWER RECEPTACLES
1. Set gas cylinder on rear platform of POWER MIG		(15 Amp 120 Volt Receptacle) The receptacles are UL
215. Hook chain in place to secure cylinder to rear		and CSA approved.
of welder.