Lincoln Electric SVM172-A service manual Welding Problems

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

F-10		TROUBLESHOOTING & REPAIR				F-10
POWERFEED 10M
		Observe Safety Guidelines detailed in the beginning of this manual.
	PROBLEMS		POSSIBLE AREAS OF	RECOMMENDED
	(SYMPTOMS)		MISADJUSTMENT(S)	COURSE OF ACTION
			WELDING PROBLEMS
	The gun tip seizes in diffuser.		1. The tip may be overheating due	1. Contact the Lincoln Electric
			to prolonged or excessive high	Service Department at
			current and /or duty cycle. Do	1.888.935.3877
			not exceed the current and duty
			cycle rating of the gun.
			2. A light application of high tem-
			perture anti-seize lubricant (such
			as Graphite Grease) may be
			applied to tip threads.
	Poor arc striking with sticking or		1. Make sure the weld procedures	1. Contact the Lincoln Electric
	“blast-offs”. The weld bead may		are correct for the process being	Service Department at
	be narrow and ropy with weld		used. Check gas, wire feed,	1.888.935.3877
	porosity.		speed and arc voltage.
			2. Remove the gun liner and check
			the rubber seal for any sign of
			deterioration or damage. Be
			sure the set screw in the con-
			nector block is in place and
			tightened against the liner bush-
			ing.
			3. Check the welding cables for
			loose or faulty connections.
	The arc is variable and/or hunting.		1. Check the contact tip. It may be	1. Contact	the Lincoln Electric
	The power source, Control Box and		worn or the wrong size for the	Service	Department	at
	drive units seem to be operating		electrode wire being used.	1.888.935.3877
	properly.
			2. Check for loose or faulty welding
			cables and connections.
			3. Make sure the procedures are
			correct for the process being
			used. Check gas, wire feed
			speed and arc voltage.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department at 1-888-935-3877 for electrical troubleshooting assistance before you proceed.

POWER FEED 10M SINGLE/DUAL