Troubleshooting, Idle Speed Adjustment Screw

TROUBLESHOOTING

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICING DEALER.

PROBLEM	POSSIBLE CAUSE		SOLUTION
Engine will not start.	1.	No spark.	1.	Check spark. Remove spark plug. Reattach the spark plug
				cap and lay spark plug on metal cylinder. Pull the starter
				rope and watch for spark at spark plug tip. If there is no
				spark, repeat test with a new spark plug.
	2.	No fuel.	2.	Push primer bulb until fuel is visible in the bulb. If fuel is
				not apparent, the primary fuel delivery system is blocked.
				Contact a servicing dealer. If primer bulb fills, engine may
				be flooded (see next item).
	3.	Starter rope pulls harder now	3.	Contact a servicing dealer.
		than when new.

Engine starts but will	Carburetor requires adjustment.		Contact a servicing dealer for carburetor adjustment.
not accelerate.

Engine starts but will	Carburetor requires adjustment.		Contact a servicing dealer for carburetor adjustment.
only run at high speed
at half choke.

Engine does not reach	1.	Oil / fuel mixture is incorrect.	1.	Use fresh fuel and the correct 2-cycle oil mix.
full speed and emits	2.	Air filter is dirty.	2.	Clean air filter, refer to “Replacing and Cleaning the Air
excessive smoke.				Filter” earlier in this manual.
				Filter” earlier in this manual.
	3.	Spark arrestor screen is dirty.	3.	Contact a servicing dealer.
	4.	Carburetor requires adjust-	4.	Contact a servicing dealer for carburetor adjustment.
		ment.

Engine starts, runs,	Idle speed adjustment screw on		Turn idle speed adjustment screw clockwise to increase idle
and accelerates, but	carburetor needs adjustment.		speed. See Figure 9.
will not idle.

IDLE SPEED

ADJUSTMENT SCREW

Fig. 9

UT08012, UT08512 specifications

The Homelite UT08512 and UT08012 are innovative outdoor power tools designed to enhance the efficiency of lawn care and landscaping tasks. Known for their durability and ease of use, both models cater to homeowners and professionals alike, ensuring a reliable performance for a wide array of outdoor maintenance needs.

One of the standout features of the Homelite UT08512 is its lightweight and ergonomic design. This makes it easy to handle for extended periods without causing fatigue, which is particularly beneficial for large mowing jobs. The UT08512 is equipped with a powerful electric motor that provides consistent and strong performance, ensuring that users can tackle thick grass and tough terrains with ease.

The UT08012 model, while similar in design, brings its own unique strengths. This variant is recognized for its string trimmer performance, featuring a dual-line bump feed head that allows for efficient trimming and edging around fences, trees, and garden beds. This convenience of the bump feed mechanism enables users to quickly advance the line, maintaining workflow without interruptions.

Both models integrate advanced technology that helps optimize energy usage, contributing to increased efficiency. They are designed with user-friendly controls, with easy-to-access switches that make operation straightforward even for those who are less experienced with power tools. The Homelite UT08512 and UT08012 are also noted for their low noise levels and minimal vibrations, improving user comfort during operation.

Another characteristic that sets these models apart is their emphasis on safety. Each tool features protective guards to shield users from debris during operation, alongside emergency shut-off switches for quick responses to unexpected situations.

Additionally, the materials used in construction ensure longevity and resistance against wear and tear, making them a smart investment for anyone committed to maintaining their outdoor spaces. Whether you are trimming grass, edging flower beds, or completing general lawn maintenance, the Homelite UT08512 and UT08012 are reliable companions that deliver excellent performance while prioritizing user comfort and safety. With their combination of power, versatility, and user-friendly features, these tools are ideal choices for any outdoor project.