Homelite CSP4520 - UT74127A, CSP4518 - UT74125A, CSP3816 - UT74123A manual Chain Tensioning Screw

Page 28

MAINTENANCE

11.Replace the outer guide bar plate, ensuring that the bar pin groove is at the bottom with the upper and lower edges angled away from the guide bar.

12.Replace the clutch cover and bar mounting nuts.

13.Tighten the bar mounting nuts finger tight only. The bar must be free to move for tension adjustment.

14.Remove all slack from the chain by turning the chain tensioning screw clockwise until the chain seats snugly against the bar with the drive links in the bar groove.

15.Lift the tip of the guide bar up to check for sagging.

16.Release the tip of the guide bar and turn the chain tensioning screw half a turn clockwise. Repeat this process until sagging does not exist.

CHAIN

TENSIONING

SCREW

Fig. 48

17.Hold the tip of the guide bar up and tighten the bar mounting nuts securely.

The chain is correctly tensioned when there is no sagging on the underside of the guide bar and the chain is snug, but can be turned by hand without binding. Ensure that the chain brake is not set. See Figure 51.

NOTE: If chain is too tight, it will not rotate. Loosen the bar nuts slightly and turn the tension adjuster a quarter turn anticlockwise. Lift the tip of the guide bar up and retighten the bar nuts securely. Ensure that the chain will rotate without binding.

UK - Page 28

Fig. 49

Fig. 50

Fig. 51

Page 27 Page 29
Image 28
Page 27 Page 29
Contents OPERATOR’S Manual Save this Manual for Future ReferenceTable of Contents IntroductionGeneral Safety Rules Read ALL InstructionsKeep ALL Parts of Your Body away from the saw Specific Safety Rules General PrecautionsSafety Apparel Basic Precautions in the CUTTING/ Work AreaMaintenance Precautions Push and PullKICK-BACK Pull PushSymbols Symbol Name ExplanationSymbols Specifications Features Understanding Your Chainsaw Safety Devices OperationSAFE-T-TIPANTI-KICK-BACK Nose Guard LOW KICK-BACK SAW ChainKICK-BACK Precautions Chain BrakeRUN Position Brake KICK-BACK Danger Zone RotationalFuel and Refuelling Handling the Fuel SafelyMixing the Fuel Filling the TankAdding OIL Brake Position Ignition Switch RUN Primer BulbStarting the Engine Starting a Cold Engine Stopping the Engine Ignition Switch Stop PositionStarting a Warm Engine Preparing for Cutting Proper Grip on HandlesProper Cutting Stance Chain LineBasic OPERATING/CUTTING Procedures Work Area PrecautionsAdjusting the Carburettor AIR FilterOperating 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 Hinge Notch Approx /3 Diameter TrunkHinge Back CUT WedgeRemoving Buttress Roots BuckingBucking with a Wedge Vertical CUT Loose Section Horizontal KICK-BACK WedgeBucking Logs Under Stress OVER-BUCKINGUNDER-BUCKING LOG Supported AT ONE END Finishing CUTLimbing and Pruning Cutting Spring PolesLoad Second CUT Finishing CUT Spring PoleMaintenance Assembling the BAR and ChainCutters 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 Restore Original Shape by Rounding Front Maintaining the Guide BARMaintaining the SAFE-T-TIPNOSE Guard Lubricating HoleCleaning the AIR Filter Starter AssemblyMounting the SAFE-T-TIP Nose Guard Tighten 3/4 A TurnCleaning the Starter Unit Cleaning the EngineChecking the Fuel Filter Replacing the Sparking PlugCleaning the Spark Arresting Silencer Chain Catcher Brake Band Clean the Chain BrakeChain Brake Storing the Chainsaw 1 Month or LongerProblem Possible Cause Solution TroubleshootingBAR and Chain Combinations Tions. See Figure Warranty Safety DirectiveGuarantee Statement Rtsa / Rtuk / RTG EC Declaration of ConformityRyobi 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.
Top Page Image Contents