Lincoln Electric SP-250 service manual Spool GUN Connection BOX, Installation

C-3 ACCESSORIES C-3

TOC	TOC	SPOOL GUN CONNECTION BOX	the machine connected for electrode		positive,
		INSTALLATION	(refer to instruction manual), remove the positive
Section	Master		electrode lead from its connection on		the wire
		NOTE: Model codes below 9900 require the addition	drive.	Then reconnect with the connection box
			electrode lead on the bolt under the positive elec-
		of three holes to the front of the machine's base as
to	to		trode lead so the connection box electrode lead is
		shown in Fig C.3.
			sandwiched between the positive electrode lead
Return	Return
			Tighten snugly, being careful not to		strip the
			terminal and the wire drive contact surface.
			threads.
Return to Section TOC	Return to Master TOC
		Figure C.3 - Spool Gun Connection Box Installation
		Mounting Holes

		1. Remove the plug button, if present, from the cen-	Figure C.4 - Spool Gun Connection Box
		ter hole in the front of the machine's base and par-
			Installation.
		tially thread the two #10 thread forming screws,
TOC	TOC
		provided with kit, into the two small holes on both
Section	Master	sides of the center hole.
		2. Route a user-provided gas supply hose, from the
to	to	flow regulator of the spool gun gas cylinder, over
		the rear axle of the machine, and out to the front
Return	Return
		through the center hole in the front of the base.
		3. Connect the gas hose to the 5/8-18 female inert
		gas fitting on the back of the connection box.
		4. Slip the connection box mounting keyholes over
		the screw heads (installed in Step 1 above) and
		pivot the box clockwise to engage and level the
		box, then tighten the screws.
TOC	TOC	5. Route the control cable of the connection box up
		through the opening in the front louver provided for
Sectionto	Masterto	the work lead, then up behind the wire drive, and
		connect the plug to the kit receptacle installed in
		the previous section A. See Figure C.4.
Return	Return	6. Route the electrode lead of the connection box up
		through the same opening in the front louver. With
		IDEALARC SP-250