Homelite CSP4520 - UT74127A, CSP4518 - UT74125A Adjusting Idling Speed, Operating the Chain Brake

Page 19

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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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesKeep ALL Parts of Your Body away from the saw Basic Precautions in the CUTTING/ Work Area Specific Safety RulesGeneral Precautions Safety ApparelPull Push Maintenance PrecautionsPush and Pull KICK-BACKSymbol Name Explanation SymbolsSymbols Specifications Features LOW KICK-BACK SAW Chain Understanding Your Chainsaw Safety DevicesOperation SAFE-T-TIPANTI-KICK-BACK Nose GuardKICK-BACK Danger Zone Rotational KICK-BACK PrecautionsChain Brake RUN Position BrakeFilling the Tank Fuel and RefuellingHandling the Fuel Safely Mixing the FuelAdding OIL Brake Position Ignition Switch RUN Primer BulbStarting the Engine Starting a Cold Engine Stopping the Engine Ignition Switch Stop PositionStarting a Warm Engine Chain Line Preparing for CuttingProper Grip on Handles Proper Cutting StanceAIR Filter Basic OPERATING/CUTTING ProceduresWork Area Precautions Adjusting the CarburettorOperating the Chain Brake Adjusting Idling SpeedBrake Position RUN Position Keep Bystanders Away Felling Trees Hazardous ConditionsRetreat Path Planned Line of Fall Proper Procedure for Tree FellingRetreat Wedge HingeNotch Approx /3 Diameter Trunk Hinge Back CUTVertical CUT Loose Section Horizontal KICK-BACK Wedge Removing Buttress RootsBucking Bucking with a WedgeLOG Supported AT ONE END Finishing CUT Bucking Logs Under StressOVER-BUCKING UNDER-BUCKINGFinishing CUT Spring Pole Limbing and PruningCutting Spring Poles Load Second CUTAssembling the BAR and Chain MaintenanceCutters Chain Tensioning Screw Chain Maintenance Adjusting the Chain TensionFlats on Drive Links Sharpening the Cutters Check for Wear or Damage LEFT-HAND Cutters RIGHT-HAND TOP Plate Filing Angle Maintaining Depth Gauge ClearanceSide Plate Angle Lubricating Hole Restore Original Shape by Rounding FrontMaintaining the Guide BAR Maintaining the SAFE-T-TIPNOSE GuardTighten 3/4 A Turn Cleaning the AIR FilterStarter Assembly Mounting the SAFE-T-TIP Nose GuardReplacing the Sparking Plug Cleaning the Starter UnitCleaning the Engine Checking the Fuel FilterStoring the Chainsaw 1 Month or Longer Cleaning the Spark Arresting SilencerChain Catcher Brake Band Clean the Chain Brake Chain BrakeProblem Possible Cause Solution TroubleshootingBAR and Chain Combinations Tions. See Figure EC Declaration of Conformity WarrantySafety Directive Guarantee Statement Rtsa / Rtuk / RTGRyobi Technologies GmbH

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.
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