Lincoln Electric SVM192-A F-29, to Section, to Master, FIGURE F.7, FIGURE F.8, Return

F-29 TROUBLESHOOTING AND REPAIR F-29

TOC	TOC	ENGINE THROTTLE ADJUSTMENT TEST (continued)
to Section	to Master	FIGURE F.7		FIGURE F.8
		HIGH IDLE ADJUSTMENT NUT	LOW IDLE ADJUSTMENT NUT
Return	Return		Solenoid	3/8" Low Idle
		Housing		Adjustment	Muffler
				Nut
		Throttle
		linkage
		Choke
		Cable
TOC	TOC				Rod
Return to Section	Return to Master	3/8" High Idle
		Adjustment Nut

	11.	If either of the readings is incorrect, adjust the			2. Start the engine and check the frequency
		throttle as follows:			counter.	At HIGH IDLE (3700 RPM), the
		Adjust HIGH IDLE: Use the 3/8” wrench to turn			counter should read 60.8 to 62.5 Hz. At LOW
					IDLE (2200 RPM), the counter should read
		the spring-loaded adjustment nut. See Figure
					35.8 to 37.5 Hz. Note that these are median
		F.8 for location of the adjustment nut. Turn the
					measurements; hertz readings may vary
		nut clockwise to increase HIGH IDLE speed.
TOC					slightly above or below.
	TOC	Adjust the speed until the tach reads between
		3650 and 3750 RPM.			3. If either of the readings is incorrect, adjust the
Section	Master	Adjust LOW IDLE: First make sure there is no			throttle as follows:
		load on the machine. Set the IDLE switch to			Adjust HIGH IDLE: Use the 3/8” wrench to turn
to	to	AUTO and wait for the engine to change to low			the spring-loaded adjustment nut. See Figure
		idle speed.	Use the 3/8” wrench to adjust the		F.7 for location of the adjustment nut. Turn the
Return	Return
		throw in the throttle lever arm. See Figure F.8			Adjust the speed until the frequency reads
		solenoid nut, which changes the amount of			nut clockwise to increase HIGH IDLE speed.
		for location of the adjustment nut.		Adjust the	between 60.8 and 62.5 Hz.
		nut until the	tach reads between	2150 and	Adjust LOW IDLE: First make sure there is no
		2250 RPM.
					load on the machine. Set the IDLER switch to
	Frequency Counter Method				AUTO and wait for the engine to change to low
	1. Plug the frequency counter into one of the 115				idle speed. Use the 3/8” wrench to adjust the
					solenoid	nut, which changes the amount of
		VAC auxiliary receptacles.
					throw in the throttle lever arm. See Figure F.8
TOC	TOC				for location of the adjustment nut. Adjust the
					nut until the frequency reads between 35.8 and
Return to Section	Return to Master				375.Hz.
				EAGLE™ 10,000