Homelite UT10512, UT10032 manual Operation, Applications, Handling the Fuel Safely, Mixing the Fuel

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OPERATION

WARNING:

Do not allow familiarity with tools to make you care- less. 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 this tool. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.

WARNING:

Do not use any attachments or accessories not recom- mended by the manufacturer of this tool. The use of attachments or accessories not recommended can result in serious personal injury.

APPLICATIONS

You may use this tool for the purposes listed below:

nBasic limbing, felling, and woodcutting

nRemoving buttress roots

WARNING:

Always shut off engine before fueling. Never add fuel to a machine with a running or hot engine. Move at least 30 ft. from refueling site before starting the engine. DO NOT SMOKE! Failure to heed this warning can result in possible personal injury.

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.

nAlways handle fuel with care; it is highly flammable.

nAlways refuel outdoors and do not inhale fuel vapors.

nDo not let gasoline or oil come in contact with skin.

nKeep gasoline and oil away from the eyes. If gasoline or oil comes in contact with the eyes, wash them immediately with clean water. If irritation is still present, see a doctor immediately.

nClean up spilled fuel immediately.

Refer to Refueling in the Specific Safety Rules section of this manual for additional safety information.

MIXING THE FUEL

nThis product is powered by a 2-cycle engine and requires pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gasoline and 2-cycle engine oil in a clean container approved for gasoline.

n This engine is certified to operate on unleaded gasoline intended for automotive use with an octane rating of 87 [(R + M) / 2] or higher.

n Do not use any type of pre-mixed gasoline/oil from fuel service stations, this includes the pre-mixed gasoline/oil intended for use in mopeds, motorcycles, etc.

n Use a high quality 2-cycle self-mixing oil for air-cooled engines. Do not use automotive oil or 2-cycle outboard oil.

n Mix 2% oil into the gasoline. This is a 50:1 ratio.

nMix the fuel thoroughly and each time before fueling.

n Mix in small quantities. Do not mix quantities larger than usable in a 30-day period. A 2-cycle oil containing a fuel stabilizer is recommended.

PREMIUM EXACT MIX™ (50:1)

GASOLINE

OIL

1 Gallon (US)

2.6 oz.

1 Liter

20 cc (20 ml)

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Contents OPERATOR’S Manual Save this Manual for Future ReferenceTable of Contents IntroductionGeneral Safety Rules Read ALL InstructionsRefueling do not Smoke Specific Safety RulesKickback Symbols Symbol Name DESIGNATION/EXPLANATIONService Glossary of Terms Features Product SpecificationsAssembly Handling the Fuel Safely OperationApplications Mixing the FuelOperating the Chain Brake Filling the Fuel TankAdding BAR and Chain OIL See Figures 4See Figures 6 Starter Grip Ignition Switch RUN PositionStarting the Engine To Start a Cold EngineTo Start a Warm Engine Ignition Switch Stop Position Brake PositionStopping the Engine See Figures 12Pull and Push Adjusting Idle SpeedIdle Speed Screw T Pull Push See Figures 16 Kickback PrecautionsProper Grip on Handles Kickback Rotational Proper Hand Grip Position Proper GripProper Cutting Stance Work Area PrecautionsBasic OPERATING/CUTTING Procedures Chain LineSee Figures 21 Proper Procedure for Tree FellingHazardous Conditions Planned Line FallHinge Back CUT Wedge Vertical Loose Section Removing Buttress RootsBucking KickbackBucking Logs Under Stress Bucking with a WedgeOverbucking Cutting Springpoles UnderbuckingLimbing and Pruning See Figures 31Lubrication MaintenanceGeneral Maintenance Replacing the Guide BAR and ChainBAR Studs Adjusting See Figures 44 Adjusting the Chain TensionFlats on Drive Links ≈ .050 in .25 mm ≈ .050 1.25 mm Chain MaintenanceSee Figures 47 Raker Depth Gauge ClearanceCutting Corner TOP Plate Side Plate Rivet Hole Sharpening the CuttersSee Figures 49 Heel TOE Gullet Left Hand Cutters Right HandMaintaining Depth Gauge Clearance TOP Plate Filing AngleSide Plate Angle SeeMaintaining the SAFE-T-TIP Nose Guard Maintaining the Guide BARMounting the SAFE-T-TIP Nose Guard See Figures 59Cleaning the AIR Filter See Figures 61Before adjusting the carburetor Adjusting the CarburetorCleaning the Starter Unit See Figures 64Replacing the Spark Plug Cleaning the EngineChecking the Fuel Filter See Figures 67Storing the Chain SAW 1 Month or Longer INSPECTING/CLEANING the Spark Arrestor ScreenInspecting and Cleaning the Chain Brake See Figures 72BAR and Chain Combinations TroubleshootingLength of Bar Guide Bar Part Number Chain Part Number Call US First Warranty Limited Warranty StatementMaintenance Requirements MANUFACTURER’S Warranty CoverageOWNER’S Warranty Responsibilities CoverageCarburetor Assy Emissions Maintenance Schedule and Warranted Parts ListAIR Filter Assy Fuel Tank AssyPage Serial Number California PropositionModel Number UT10012/UT10512 and UT10032/UT10532