Page 2 - TAbLE OF CONTENTS
Page Introduction ..................................................................................................................................................................... 2 General Safety Rules ..........................................................................................
Page 3 - REAd ALL INSTRUCTIONS; GENERAL SAFETy RULES
Page WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. REAd ALL INSTRUCTIONS Know your tool. Read the operator’s manual carefully. Learn the saw’s applications and limitations as well a...
Page 4 - SPECIFIC SAFETy RULES; KICKbACK
Page SPECIFIC SAFETy RULES WARNING: The warnings, labels, and instructions found in this sec- tion of the operator’s manual are for your safety. Failure to follow all instructions may result in serious personal injury. do not cut vines and/or small underbrush (a diameter of less than 3 in.). Muf...
Page 5 - SyMbOL; SyMbOLS
Page Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper inter-pretation of these symbols will allow you to operate the product better and safer. Read The Operator’s Manual Safety Alert SyMbOL NAME dESIGNATION/EXPLANATION To reduce the risk of...
Page 6 - SERVICE; SAVE THESE INSTRUCTIONS
Page SERVICE Servicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUTHORIzEd SERVICE CENTER for repair. When servicing, use only identical replacement parts. WARNING: SAVE THESE INS...
Page 7 - GLOSSARy OF TERMS
Page GLOSSARy OF TERMS buckingThe process of cross cutting a felled tree or log into lengths. Chain brakeA device used to stop the saw chain. Chain Saw PowerheadA chain saw without the saw chain and guide bar. ClutchA mechanism for connecting and disconnecting a driven member to and from a rotating ...
Page 8 - PROdUCT SPECIFICATIONS; FEATURES
Page PROdUCT SPECIFICATIONS FEATURES Bar length: UT10517, UT10518 .................................................18 in. UT10520 .................................................................20 in.Chain pitch: UT10517 ............................................................. .375 in. UT10518...
Page 10 - ASSEMbLy; APPLICATIONS
Page 10 WARNING: Do not allow familiarity with this product to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury. WARNING: Always wear safety goggles or safety glasses with side shields when operating power tools. Failure to do so could result i...
Page 11 - FUEL ANd REFUELING; HANdLING THE FUEL SAFELy; Refueling in the; section of; MIXING THE FUEL; OPERATION; GASOLINE; OXyGENATEd FUELS
Page 11 FUEL ANd REFUELING HANdLING THE FUEL SAFELy WARNING: Check for fuel leaks. If any are found, correct them before using the saw to prevent fire or burn injury. Always handle fuel with care; it is highly flammable. Always refuel outdoors and do not inhale fuel vapors. Do not let gasoline...
Page 12 - run; FILLING THE FUEL TANK; AddING bAR ANd CHAIN OIL; OPERATING THE CHAIN bRAKE; Brake
Page 1 run poSition FILLING THE FUEL TANK See Figure . Clean the surface around the fuel cap to prevent con-tamination. Loosen the fuel cap slowly. Carefully pour the fuel mixture into the tank. Avoid spill-age. Prior to replacing the fuel cap, clean and inspect the o-ring. Immediately rep...
Page 13 - STARTING THE ENGINE; FULL position. The
Page 1 run poSition Starter grip OPERATION STARTING THE ENGINE See Figures - 11. Starting the product differs depending on whether the engine is cold or warm. WARNING: Keep your body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line. Place the chain s...
Page 14 - STOPPING THE ENGINE; FULL
Page 1 Brake poSition OPERATION Pull starter grip until engine runs. NOTE: Allow the saw to run in this position 15-30 sec-onds, depending upon the temperature. Squeeze and release the throttle trigger to return the engine to idle after a total run time of at least 30 seconds. CAUTION: Failure t...
Page 15 - AdJUSTING IdLE SPEEd; “T” clockwise to increase; “T” counterclockwise to reduce the; PULL ANd PUSH; pull; idle Speed
Page 1 AdJUSTING IdLE SPEEd See Figure 1. If the engine starts, runs, and accelerates, but will not idle, turn the idle speed screw “T” clockwise to increase idle speed. If the chain turns at idle, turn the idle speed screw “T” counterclockwise to reduce the idle RPM and stop the chain movement....
Page 16 - KICKbACK PRECAUTIONS; PREPARING FOR CUTTING; PROPER GRIP ON HANdLES
Page 1 OPERATION KICKbACK PRECAUTIONS See Figures 1 - 1. Rotational kickback occurs when the moving chain contacts an object at the Kickback Danger Zone of the guide bar. The result is a lightning-fast reverse reaction, which kicks the guide bar up and back towards the operator. This reaction can ca...
Page 17 - PROPER CUTTING STANCE; WORK AREA PRECAUTIONS; SAFE dISTANCE from the cutting area. During; bASIC OPERATING/CUTTING PROCEdURES
Page 1 Fig. 20 Fig. 21 OPERATION PROPER CUTTING STANCE See Figure 0. Balance your weight with both feet on solid ground. Keep left arm with elbow locked in a “straight arm” posi-tion to withstand any kickback force. Keep your body to the left of the chain line. Keep your thumb on underside...
Page 18 - FELLING TREES; HAzARdOUS CONdITIONS; PROPER PROCEdURE FOR TREE FELLING
Page 1 OPERATION FELLING TREES HAzARdOUS CONdITIONS WARNING: Do not fell trees during periods of high wind or heavy precipitation. Wait until the hazardous weather has ended. When felling a tree, it is important that you heed the following warnings to prevent possible serious injury. Do not cut d...
Page 19 - REMOVING bUTTRESS ROOTS; Proper Procedure For Tree Felling after you have; bUCKING; Kickback in the; kiCkBaCk
Page 1 wedge Fig. 25 horizontal Cut vertiCal Cut looSe SeCtion Fig. 26 Fig. 27 OPERATION On large diameter trees, stop the back cut before it is deep enough for the tree to either fall or settle back on the stump. Then insert soft wooden or plastic wedges into the cut so they do not touch the chai...
Page 20 - bUCKING WITH A WEdGE; overBuCking
Page 0 OPERATION bUCKING WITH A WEdGE See Figure . If the wood diameter is large enough for you to insert a soft bucking wedge without touching the chain, you should use the wedge to hold the cut open to prevent pinching.NOTE: When bucking or felling with a wedge, you may need to remove the SAFE-T-T...
Page 21 - UNdERbUCKING; CUTTING SPRINGPOLES; Cut limBS one at a time and leave Support limBS
Page 1 UNdERbUCKING See Figure 1. Begin on the under side of the log with the top of the saw against the log; exert light pressure upward. During under-bucking, the saw will tend to push back at you. Be prepared for this reaction and hold the saw firmly to maintain control. LIMbING ANd PRUNING See F...
Page 22 - GENERAL MAINTENANCE; STOP “; MAINTENANCE; bar and Chain
Page run poSition WARNING: When servicing, use only identical Homelite replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dust...
Page 23 - NOTE: When placing the bar on the bar studs, ensure
Page CutterS Chain rotation Chain drive linkS Fig. 41 Fig. 39 MAINTENANCE Fig. 38 Fig. 40 Lay out the new saw chain in a loop and straighten any kinks. The cutters should face in the direction of chain rotation. If they face backwards, turn the loop over. Place the chain drive links into the bar...
Page 24 - AdJUSTING THE CHAIN TENSION; FlatS on drive linkS
Page MAINTENANCE Fig. 42 Fig. 43 Fig. 44 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. Replace the clutch cover and bar mounting nuts. Finger-tighten the bar mounting nuts. The bar must be free...
Page 25 - CHAIN MAINTENANCE; raker
Page Fig. 48 ≈ .050 in. Fig. 47 Fig. 46 Fig. 49 MAINTENANCE Retension the chain whenever the flats on the drive links hang out of the bar groove. NOTE: During normal saw operation, the temperature of the chain increases. The drive links of a correctly ten-sioned warm chain will hang approximately ...
Page 26 - SHARPENING THE CUTTERS; Adjusting
Page MAINTENANCE SHARPENING THE CUTTERS See Figures 0 - . Be careful to file all cutters to the specified angles and to the same length, as fast cutting can only be obtained when all cutters are uniform. WARNING: The saw chain is very sharp. Always wear protective gloves when performing maintenance ...
Page 27 - TOP PLATE FILING ANGLE; SIdE PLATE ANGLE
Page inCorreCt more than 30° top plate Filing angle leSS than 30° Fig. 54 30° CorreCt inCorreCt BaCkward Slope Side plate Filing angle Fig. 55 80° CorreCt hook Flat File depth gauge Jointer Fig. 57 reStore original Shape By rounding the Front Fig. 58 MAINTENANCE TOP PLATE FILING ANGLE See Figure . ...
Page 28 - MAINTAINING THE GUIdE bAR; luBriCating hole
Page MAINTENANCE MAINTAINING THE GUIdE bAR See Figure . CAUTION: Make sure the chain has stopped before you do any work on the saw. Every week of use, reverse the guide bar on the saw to distribute the wear for maximum bar life. The bar should be cleaned every day of use and checked for wear and dam...
Page 29 - CLEANING THE AIR FILTER; Choose one of the following cleaning options:
Page MAINTENANCE CLEANING THE AIR FILTER See Figures - . For access to the air filter and carburetor area, loosen the three screws holding the cylinder cover. Activate chain brake. Lift the front of the cylinder cover past chain brake lever. Lift the back of the cylinder cover past the handl...
Page 30 - AdJUSTING THE CARbURETOR; before adjusting the carburetor:; Cleaning the Air Filter in the; “T” clockwise to increase idle; “T” counterclockwise to decrease; CLEANING THE STARTER UNIT; air Filter
Page 0 MAINTENANCE AdJUSTING THE CARbURETOR See Figures - . before adjusting the carburetor: Use a brush or compressed air to clean the starter cover vents. Clean the air filter. Refer to Cleaning the Air Filter in the Maintenance section of this manual. Allow the engine to warm up prior to ad...
Page 31 - CLEANING THE ENGINE
Page 1 CLEANING THE ENGINE See Figures - . Clean the cylinder fins and flywheel fins with compressed air or a brush periodically. Dangerous overheating of the engine may occur due to impurities on the cylinder. WARNING Never run the saw without all the parts, including the drivecase cover and starte...
Page 32 - WARNING; INSPECTING ANd CLEANING CHAIN bRAKE; Operating Chain brake for additional; STORING THE PROdUCT; When storing 1 month or longer:
Page INSPECTING/CLEANING THE SPARK ARRESTOR SCREEN See Figure . The muffler is equipped with a spark arrestor screen. A faulty spark arrestor screen can create a fire hazard. Through normal use the screen can become dirty and should be inspected weekly and cleaned as required. Always keep the muffle...
Page 33 - TROUbLESHOOTING; Problem; bAR ANd CHAIN COMbINATIONS
Page TROUbLESHOOTING Problem Possible Cause Solution Engine will not start. [Make sure ignition switch is in the RUN ( l ) position.] No spark. Engine is flooded. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. With the ignition switch OFF, ...
Page 34 - Operating the Chain brake in the; Adjusting the Chain Tension in; Replacing the Guide bar and Chain in the; Call uS FirSt; For any questions about operating or maintaining your product,
Page TROUbLESHOOTING Problem Possible Cause Solution Bar and chain running hot and smoking. Chain oil tank empty. Chain tension is too tight. Oiler is not functioning. Oil tank should be filled every time fuel tank is filled. Tension chain per instructions in Adjusting the Chain Tension in the Maint...
Page 35 - LIMITEd WARRANTy STATEMENT; WARRANTy
Page LIMITEd WARRANTy STATEMENT Homelite Consumer Products, Inc., (“Homelite”) warrants to the original retail purchaser that this HOMELITE brand outdoor product is free from defect in material and workmanship and agrees to repair or replace, at Homelite’s, discretion, any defective product free of ...
Page 38 - SERIAL NUMbER; OPERATOR’S MANUAL
HOMELITE CONSUMER PROdUCTS, INC. 1428 Pearman Dairy Road Anderson, SC 29625 Phone 1-800-242-4672 www.homelite.com WARNING: The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.CALIFORNIA PROPOSITION 65 SER...
