Homelite UT10032, UT10512 General Maintenance, Lubrication, Replacing the Guide BAR and Chain

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MAINTENANCE

WARNING:

RUN POSITION

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 dusty, also wear a dust mask.

GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc.

WARNING:

Do not at any time let brake fluids, gasoline, petroleum- based products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury.

LUBRICATION

All of the bearings in this tool are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further lubrication is required.

REPLACING THE GUIDE BAR AND CHAIN

See Figures 34 - 43.

DANGER:

Never start the engine before installing the guide bar, chain, drivecase cover, and clutch drum. Without all these parts in place, the clutch can fly off or explode, exposing the user to possible serious injury.

Fig. 34

SCRENCH

BAR MOUNTING NUTS

Fig. 35

GUIDE BAR

GUIDE BAR

PLATE

CLUTCH

BAR MOUNTING NUTS

COVER

Fig. 36

NOTE: When replacing the guide bar and chain, always use the specified bar and chain listed in the BAR AND CHAIN COMBINATIONS section later in this manual.

WARNING:

To avoid serious personal injury, read and understand all the safety instructions in this section.

nAlways place the switch in the STOP “ ” position before you work on the saw.

nMake sure the chain brake is not set by pulling the chain brake lever/hand guard towards the front handle to the run position.

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesSpecific Safety Rules Refueling do not SmokeKickback Symbol Name DESIGNATION/EXPLANATION SymbolsService Glossary of Terms Product Specifications FeaturesAssembly Applications OperationHandling the Fuel Safely Mixing the FuelAdding BAR and Chain OIL Filling the Fuel TankOperating the Chain Brake See Figures 4Starting the Engine Starter Grip Ignition Switch RUN PositionSee Figures 6 To Start a Cold EngineStopping the Engine Ignition Switch Stop Position Brake PositionTo Start a Warm Engine See Figures 12Adjusting Idle Speed Pull and PushIdle Speed Screw T Pull Push Proper Grip on Handles Kickback PrecautionsSee Figures 16 Kickback Rotational Proper Hand Grip Position Proper GripBasic OPERATING/CUTTING Procedures Work Area PrecautionsProper Cutting Stance Chain LineHazardous Conditions Proper Procedure for Tree FellingSee Figures 21 Planned Line FallBucking Removing Buttress RootsHinge Back CUT Wedge Vertical Loose Section KickbackBucking with a Wedge Bucking Logs Under StressOverbucking Limbing and Pruning UnderbuckingCutting Springpoles See Figures 31General Maintenance MaintenanceLubrication Replacing the Guide BAR and ChainBAR Studs Adjusting Adjusting the Chain Tension See Figures 44Flats on Drive Links See Figures 47 Chain Maintenance≈ .050 in .25 mm ≈ .050 1.25 mm Raker Depth Gauge ClearanceSee Figures 49 Sharpening the CuttersCutting Corner TOP Plate Side Plate Rivet Hole Heel TOE Gullet Left Hand Cutters Right HandSide Plate Angle TOP Plate Filing AngleMaintaining Depth Gauge Clearance SeeMounting the SAFE-T-TIP Nose Guard Maintaining the Guide BARMaintaining the SAFE-T-TIP Nose Guard See Figures 59See Figures 61 Cleaning the AIR FilterCleaning the Starter Unit Adjusting the CarburetorBefore adjusting the carburetor See Figures 64Checking the Fuel Filter Cleaning the EngineReplacing the Spark Plug See Figures 67Inspecting and Cleaning the Chain Brake INSPECTING/CLEANING the Spark Arrestor ScreenStoring the Chain SAW 1 Month or Longer See Figures 72Troubleshooting BAR and Chain CombinationsLength of Bar Guide Bar Part Number Chain Part Number Call US First Limited Warranty Statement WarrantyOWNER’S Warranty Responsibilities MANUFACTURER’S Warranty CoverageMaintenance Requirements CoverageAIR Filter Assy Emissions Maintenance Schedule and Warranted Parts ListCarburetor Assy Fuel Tank AssyPage California Proposition Serial NumberModel Number UT10012/UT10512 and UT10032/UT10532