Starting the Engine, Stopping the Engine

OPERATION

NOTE: Do not use dirty, used or otherwise contaminated oils. Damage may occur to the oil pump, bar, or chain.

1.Carefully pour the bar and chain oil into the tank.

2.Fill the oil tank every time you fuel the engine.

STARTING THE ENGINE

See Figure 8.

WARNING:

Keep your body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line.

1.Place the chainsaw on level ground and ensure that no objects or obstructions which could come in contact with the bar and chain are in the immediate vicinity.

2.Hold the front handle firmly with the left hand and put your right foot onto the base of the rear handle.

STARTING A COLD ENGINE:

See Figure 3 and 8 through 14.

3.Move the chain brake to the BRAKE position (B). See Figure 3.

NOTE: Set the chain brake by pushing the chain brake lever/hand guard forward (towards the bar), to the brake position. Refer to “Operation – Operating the Chain Brake” later in this manual for additional information.

4.Set the ignition switch to the RUN (I) position (A).

5.Fully press and release the PRIMER BULB (C) 7 times.

6.Pull CHOKE (D) lever all the way OUT to full position (E).

7.Engage trigger release (F).

While squeezing both the trigger release and throttle trigger (G), push in the throttle lock button (H). Release the throttle trigger. This latches the trigger for starting.

8.Pull STARTER (I) until engine attempts to start.

Slowly pull the starter grip out for a short distance until you feel the starter engage, then briskly pull straight up. Do not pull to the end of the rope; this may damage the starter. Hold onto the grip during rewinding.

Pull the starter rope until the first firing of the engine is heard (no more than five pulls).

NOTE: A new unit may require additional pulls.

9.Push choke lever to half choke position (J).

10.Pull starter until engine runs.

NOTE: Allow the saw to run in this position 15-30 seconds depending upon the temperature.

11.Push choke lever all the way IN (K).

12.SQUEEZE and release the throttle trigger.

Depress the throttle trigger which releases the trigger lock button. Squeeze and release the throttle trigger to let the engine idle.

13.Move chain brake to RUN position.

Place chain brake lever/hand guard into the RUN position. Refer to “Operation – Operating the Chain Brake” later in this manual for additional information.

CAUTION:

Failure to release partial throttle when chain brake lever is in the brake position will result in serious damage to the unit. Never squeeze and hold the throttle trigger while the chain brake is in the brake position.

Now you are ready to pick up the saw. Use the proper grip for both handles. Refer to “Operation-Proper Grip on Handles” later in this manual for additional information.

STARTING A WARM ENGINE:

Follow the instructions for starting a cold engine (steps 1-9), but do not attempt to start in the full choke position (skip step 5). Push and release primer bulb 7 times. Pull the choke out and push back it in to the original run position.

STOPPING THE ENGINE

See Figures 15.

Release the throttle trigger and let the engine return to idle. To stop the engine, move the ignition switch to the “O” stop position (L). Do not put the chainsaw on the ground when the chain is still moving. For additional safety, set the chain brake when the saw is not in use.

In the event that the ignition switch will not stop the saw, pull the choke lever out to the fully extended position (Full Choke / ) and engage chain brake to stop the engine.

If the ignition switch will not stop the saw when set to the “O” stop position, have the ignition switch repaired before using the chainsaw again to prevent unsafe conditions or serious injury.

Important: When you have finished using the saw, relieve tank pressures by loosening the CHAIN OIL and FUEL MIX caps. Then retighten the caps. Allow the engine to cool before storing.

PREPARING FOR CUTTING

PROPER CLOTHING FOR SAFETY

See Figure 16.

■Wear close-fitting clothing (A). Always wear heavy, long trousers (B), boots (C), and gloves (D). Do not wear jewellery, shorts, sandals, or go barefoot. Do not wear loose fitting clothing, which could be drawn into the engine or catch the chain or undergrowth. Wear overalls, jeans, or leggings made of cut-resistant material or ones that contain cut-resistant inserts. Secure hair so that it is above shoulder level.

■Wear non-slip safety footwear and heavy-duty gloves to improve your grip and to protect your hands.

■Wear eye (E), hearing (F), and head (G) protection when operating this equipment.

PROPER GRIP ON HANDLES

See Figures 17 and 18.

Refer to “Specific Safety Rules – Safety Apparel” earlier in this manual for appropriate safety equipment.

■Wear non-slip gloves for maximum grip and protection.

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UT74121D specifications

The Homelite UT74121D is a versatile and efficient string trimmer designed for homeowners and gardening enthusiasts who seek an effective solution for lawn maintenance. This machine excels at tackling overgrown grass, weeds, and edging tasks, offering performance and convenience.

One of the standout features of the Homelite UT74121D is its powerful 14-amp electric motor. This robust motor delivers consistent performance and ample cutting power, making it suitable for various landscaping tasks. Unlike gas-powered trimmers, the electric motor ensures quieter operation with zero emissions, making it an environmentally friendly choice.

The trimmer is equipped with a 17-inch cutting width, providing an expansive area for trimming, thus reducing the time needed to complete yard work. Featuring a dual-line feed system, the UT74121D allows for efficient cutting. The automatic line advance ensures that users can focus on their trimming without frequent interruptions to replace the line.

The lightweight design of the Homelite UT74121D contributes to its user-friendliness. Weighing in at just over 10 lbs, it is easy to maneuver, making it suitable for both large yards and tight spaces. The balanced design helps reduce user fatigue, allowing for longer periods of use without strain.

Another key characteristic of the UT74121D is the adjustable telescopic shaft. It can be extended or shortened to accommodate users of different heights, enhancing comfort and control during operation. This customizable feature enables better ergonomics and reduces the risk of back strain.

The Homelite UT74121D also incorporates a convenient pivoting head that allows for versatile trimming positions. This feature is particularly useful for edging alongside sidewalks and driveways, as well as for accessing hard-to-reach areas, making it a multi-functional tool for comprehensive yard work.

Moreover, the trimmer comes with a safety guard to protect the user from flying debris, promoting a safer mowing experience. The straightforward assembly and operation further appeal to users, with easy-to-follow instructions that make setup a breeze.

In conclusion, the Homelite UT74121D string trimmer is a practical and efficient tool for homeowners looking to maintain their lawns effectively. With its powerful motor, expansive cutting width, lightweight design, adjustable shaft, and safety features, this trimmer checks all the boxes for a reliable gardening companion. Whether you’re edging, trimming, or maintaining your yard, the UT74121D is designed to meet your landscaping needs with ease and efficiency.