Homelite UT20763 manual Troubleshooting, 3 2, Problem, Possible Cause, Solution, Page

TROUBLESHOOTING

PROBLEM		POSSIBLE CAUSE		SOLUTION
Grass wraps around	1.	Cutting tall grass at ground	1.	Cut tall grass from the top down.
shaft housing and		level.
stringhead:	2.	Operating trimmer at part	2.	Operate trimmer at full throttle.
		throttle.
Spool retainer hard to	Screw threads dirty or damaged.		Clean threads and lubricate with grease - if no improve-
turn:			ment, replace spool retainer.
Oil drips from muffler:	1.	Operating trimmer at part	1.	Operate trimmer at full throttle.
		throttle
	2.	Check oil/fuel mixture.	2.	Use fresh fuel and the correct 2-cycle oil mix.
	3.	Air filter dirty.	3.	Clean air filter. Refer to “Replacing and Cleaning Air
				Filter” earlier in this manual.
	4.	Carburetor requires adjust-	4.	Turn mixture needle clockwise 1/16 turn. See Figure
		ment.		22.

NOTE: This engine complies with EPA (Environmental Protec- tion Agency) regulations which require exhaust emission con- trol. As a result, the carburetor adjustment needle(s) are equipped with plastic cap(s) that limit the rotation from the original factory adjustment. If your unit exhibits specific perfor- mance problem(s) where the Trouble Shooting Section recom- mends a needle adjustment and you are at the limit of adjust- ment, the unit should be taken to a factory authorized service dealer for repair.

IDLE SPEED SCREW

MIXTURE

NEEDLE

3 2 1

STOP

Fig. 22

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