OPERATION

ADJUSTING IDLING SPEED

If the engine starts, runs, and accelerates but will not idle, turn the idling speed screw “ T ” clockwise to increase idling speed.

If the chain turns at idle, turn the idling speed screw “ T ” anticlockwise to reduce the idling RPM and stop the chain movement. If the saw chain still moves at idling speed, contact a Homelite service dealer for adjustment and discontinue use until the repair is made.

WARNING:

THE SAW CHAIN SHOULD NEVER TURN AT IDLE. Turn the idling speed screw “T” anticlockwise to reduce the idling RPM and stop the chain, or contact a Homelite service dealer for adjustment and discontinue use until the repair is made.

Serious personal injury may result from the saw chain turning at idle.

Fig. 26

WARNING:

Weather conditions and altitude may affect carburation.

Do not allow bystanders close to the chainsaw while adjusting the carburettor.

OPERATING THE CHAIN BRAKE

Refer to “Safety” earlier in this manual for additional information.

Check the operating condition of the chain brake before each use.

1.Start the engine and grasp the front and rear handles securely with both hands.

2.Pull the throttle trigger to bring the chainsaw up to full speed. Using the back of your left hand, engage the chain brake by pushing the chain brake lever/hand guard towards the bar while the chain is rotating rapidly. See Figure 27.

NOTE: The chain brake should engage and stop the chain immediately. If not, stop the saw by pressing the “ / O ” on ignition switch. Take the saw to a Homelite service dealer for repair and discontinue use until the repair is made.

3.Reset the chain brake back into the RUN position by grasping the right-hand side (from operator’s position) of the chain brake lever/hand guard and pull towards the front handle until you hear a click. See Figure 28.

BRAKE POSITION

Fig. 27

RUN POSITION

Fig. 28

WARNING:

If the chain brake does not stop the chain immediately, take the saw to a Homelite service dealer for repair before use.

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Homelite CSP4520 - UT74127A manual Adjusting Idling Speed, Operating the Chain Brake, Brake Position RUN Position

CSP3816 - UT74123A, CSP4520 - UT74127A, CSP4518 - UT74125A specifications

Homelite has long been known for producing reliable and efficient outdoor power equipment, and its lineup of chainsaws, including the CSP4518, CSP4520, and CSP3816 models, continues to uphold that reputation. These chainsaws are designed to cater to a wide range of cutting needs, making them popular choices for both homeowners and professionals.

The Homelite CSP4518 - UT74125A boasts a powerful 45cc engine that delivers commendable cutting performance. With an 18-inch bar, this chainsaw is suited for tackling medium to large-sized trees and heavy-duty tasks. What sets it apart is its lightweight design combined with an ergonomic handle, allowing for better control and reduced user fatigue during prolonged use. The CSP4518 also features an automatic oiling system, which ensures that the chain remains well-lubricated during operation, increasing efficiency and extending the life of the chain.

Next in line is the Homelite CSP4520 - UT74127A, which takes cutting capabilities a notch higher with a robust 52cc engine. This chainsaw includes a longer 20-inch bar, making it ideal for felling larger trees and cutting thick logs. With advanced features such as anti-vibration technology, users can experience reduced vibrations, enhancing comfort during operation. The CSP4520 also adopts a tool-less chain tensioning system, allowing quick adjustments to the chain without the need for additional tools, making maintenance hassle-free.

The Homelite CSP3816 - UT74123A is a more compact option, powered by a 38cc engine and featuring a 16-inch bar. This model is perfect for homeowners looking for a lightweight chainsaw that doesn’t compromise on power. The CSP3816 is equipped with a quick-start mechanism, making it easy to start even in cold weather. Moreover, the chainsaw's compact design makes it easy to maneuver in tight spaces, making it an excellent choice for pruning and small-scale cutting tasks.

All three models are built with durability in mind, utilizing high-quality materials and advanced engineering technologies. They come with safety features such as chain brakes and hand guards that provide an extra layer of protection to users. Each Homelite chainsaw also incorporates environmentally-friendly designs that reduce emissions without sacrificing performance.

In summary, the Homelite CSP4518, CSP4520, and CSP3816 models cater to a diverse range of cutting needs with their innovative features and technologies. Whether for professional use or home maintenance, these chainsaws represent reliability, efficiency, and user-friendly design, making them excellent choices for outdoor cutting tasks.