Homelite UT10516/16 IN. 33CC manual

OPERA TOR’S MANUAL UT10514 / 14 in. 33cc CHAIN SA W UT10516 / 16 in. 33cc CHAIN SA W SA VE THIS MANUAL FOR FUTURE REFERENCE Y our chain saw has been engineered and manufactured to Homelite’ s high standard for dependability , ease of operation, and operator safety . When properly car ed for , it will give you years of rugged, trouble-fr ee perf[...]

P age 2  Introduction ..................................................................................................................................................................... 2   General Safety Rules ................................................................................................................................[...]

P age 3 WARNING: Read and understand all instructions . Failur e 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 manua l carefu lly. Learn the saw’s ap plicatio ns and limit ations as well as the s pecific p otential h[...]

P age 4 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.).  Muffler surfaces are very hot durin[...]

P age 5 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 pr oduct better and safer . Read The Operator’ s Manual Safety Alert SYMBOL NAME DESIGNA TION/EXPLANA TION T o reduce the risk of injury , user must r ead and underst[...]

P age 6 SERVICE Servicing requir es extr eme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUT HOR IZED SERV ICE CEN TER for re pai r . When ser vici ng, use only identical replacement parts. WARNING: SA VE THESE INSTRUCTIONS The following signal word[...]

P age 7 GLOSSAR Y OF TERMS Bucking The pr ocess of cross cutting a felled tr ee or log into lengths. Chain Brake A device used to stop the saw chain. Chain Saw Powerhead A chain saw without the saw chain and guide bar . Clutch A mechanism for connecting and disconnecting a driven member to and from a r otating source of power . Drive Sprocket or Sp[...]

P age 8 PRODUCT SPECIFICA TIONS FEA TURES Bar length: UT10514 ..................................................................................................................................................................... 14 in. UT10516 ...........................................................................................................[...]

P age 9 REAR HANDLE THROTTLE TRIGGER IGNITION SWITCH FUEL CAP ST AR TER/F AN HOUSING ST AR TER GRIP FEA TURES Fig. 1b KNOW YOUR CHAIN SAW See Figures 1a - 1b . The safe use of this product requir es an understanding of the information on the tool and in this operator’ s manual as well as a knowledge of the pr oject you are attempting. Before use [...]

P age 10 WARNING: Do not allow familiarity with this product to make you ca r ele ss . Re me mbe r tha t a car e le ss fra ct ion of a se co nd 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 coul d resu lt in objec ts being thro wn into y[...]

P age 11 FUEL AND REFUELING HANDLING THE FUEL SAFEL Y WARNING: Chec k for fuel leaks. If any are found , corre ct them befor e using the saw to prevent fir e 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 or oil come in contact wit[...]

P age 12 FILLING THE FUEL T ANK See Figure 2.  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 replace the fuel cap and hand tight[...]

P age 13 OPERA TION ST ARTING THE ENGINE See Figures 6 - 11. Starting the product differs depending on whether the engine is cold or warm. WARNING: Kee p you r body t o the lef t of the chain line. Never stra ddle the saw or chain, or lean over past the chain line.  Place the chain saw on level ground and ensure that no objects or obstruction[...]

P age 14 OPERA TION  Push choke lever to HALF choke position.  Pull starter grip until engine runs. NOTE: Allow the saw to run in this position 15-30 sec- onds, depending upon the temperature.  Push choke lever all the way in to the RUN position.  Squeeze and release the throttle trigger to return the engine to idle after a [...]

P age 15 ADJUSTING IDLE SPEED See Figure 14.  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 ch ain mov eme nt. If the saw cha in sti ll [...]

P age 16 OPERA TION KICKBACK PRECAUTIONS See Figures 16 - 17. 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 towar ds the operat or . This re action can cause loss of control, which can r esult i[...]

P age 17 Fig. 19 Fig. 20 OPERA TION PROPER CUTTING ST ANCE See Figure 19.   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 of handlebar. WOR[...]

P age 18 OPERA TION FELLING TREES HAZARDOUS CONDITIONS WARNING: Do not fell tr ees 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 down trees having an extreme lean or l[...]

P age 19 WEDGE Fig. 24 HORIZONT AL CUT VERTICAL CUT LOOSE SECTION Fig. 25 KICKBACK Fig. 26 OPERA TION  On large diameter trees, stop the back cut before it is deep enough for the tree to either fall or settle back on the stum p. The n ins ert soft wood en or pla stic wedg es into the cut so they do not touch the chain. Drive wedges in, little by[...]

P age 20 OPERA TION BUCKING WITH A WEDGE See Figure 27. 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-TIP anti-kickback device to allow the bar to [...]

P age 21 UNDERBUCKING See Figure 30. Begin on the under side of the log with the top of the saw against the log; exert light pressure upward. During under- buc king, the saw will tend to push back at you. Be prepar ed for this reaction and hold the saw firmly to maintain control. LIMBING AND PRUNING See Figures 31 - 32.  Work slowly, keeping [...]

P age 22 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 dusty , also wear a dust mask. GENERAL MAINTENANCE Avoid using [...]

P age 23 Fig. 40 BAR GROOVE CHAIN DRIVE LINKS Fig. 38 MAINTENANCE CUTTERS CHAIN ROT A TION CHAIN DRIVE LINKS Fig. 37 Fig. 39  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 groo[...]

P age 24 MAINTENANCE Fig. 41 Fig. 42 Fig. 43  Rep lace the oute r gui de bar plate ensu ring 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 to move for tension adjust[...]

P age 25 Fig. 47 RAKER (DEPTH GAUGE) CLEARANCE ≈ .050 in. Fig. 46 Fig. 45 Fig. 48 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 .050 in.[...]

P age 26 MAINTENANCE SHARPENING THE CUTTERS See Figures 49 - 52. 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 to the chain to prevent serious personal in[...]

P age 27 INCORRECT MORE THAN 30° TOP PLA TE FILING ANGLE LESS THAN 30° Fig. 53 30° CORRECT INCORRECT BACKWARD SLOPE SIDE PLA TE FILING ANGLE Fig. 54 80° CORRECT HOOK FLA T FILE DEPTH GAUGE JOINTER Fig. 56 RESTORE ORIGINAL SHAPE BY ROUNDING THE FRONT Fig. 57 MAINTENANCE TOP PLA TE FILING ANGLE See Figure 53.  CORRECT 30° – file holders [...]

P age 28 MAINTENANCE MAINT AINING THE GUIDE BAR See Figure 58. CAUTION: Make sur e the chai n ha s stopped be for e yo u 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 damage. Feathering or burring of the bar[...]

P age 29 MAINTENANCE CLEANING THE AIR FIL TER See Figures 61 - 63.  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 handle.  Before rem[...]

P age 30 MAINTENANCE ADJUSTING THE CARBURETOR See Figures 64 - 66. Before adjusting the carbur etor:  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.  Allo w the engine to warm up prior to adjus tment of engin e idle [...]

P age 31 FUEL FIL TER CLEANING THE ENGINE See Figures 67 - 68. 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 starter housing, securely in place. [...]

P age 32 INSPECTING/CLEANING THE SP ARK ARRESTOR SCREEN See Figure 71. The muffler is equipped with a spark arrestor screen. A faulty spar k arr est or scr een can crea te a fir e haza rd. Throu gh nor mal use the screen can become dirty and should be inspected weekly and cleaned as required. Always keep the muffler and spark arrestor on the saw in[...]

P age 33 TROUBLESHOOTING Pr oblem Possible Cause Solution En gine wi ll no t s tart . [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 , remove spark plug. Move choke lever to [...]

P age 34 TROUBLESHOOTING Pr oblem 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. T ension chain per instructions in Adjusting the Chain T ension in the Maintenance section of this manual. Run at half[...]

P age 35 LIMITED WARRANTY ST A TEMENT Homelite Consumer Products, Inc., (“Homelite”) warrants to the original r etail purchaser that this HOMELITE brand outdoor pr oduct is fr ee from defect in material and workma nship and agr ees to r epair or repla ce, at Homelite’ s, discr eti on, any defecti ve pr oduct free of char ge within these time [...]

P age 36 W ARRANTY THE FOLLOWING CALIFORNIA AIR RESOURCES BOARD (CARB) ST A TEMENT ONL Y APPLIES TO MODEL NUMBERS REQUIRED TO MEET THE CARB REQUIREMENTS. The U.S. Environmental Protection Agency (EP A), the California Air Resour ces Board (CARB), and Hom elite Con sumer Pr oducts, Inc., ar e plea sed to explain the Emissio ns Contr ol Syste m W arr[...]

P age 37 EMISSIONS MAINTENANCE SCHEDULE AND WARRANTED P ARTS LIST Emissions Parts Inspect Clean Replace Clean Every Replace Before Every Every 25 Hours 25 Hours Every Each Use 5 Hours or Y early or Y early 50 Hours AIR FIL TER ASSY includes: Filter .................................................................. X ............................X SP[...]

987000-208 5-15-08 (REV :01) HOMELITE CONSUMER PRODUCTS, INC. 1428 Pearman Dairy Road Anderson, SC 29625 Phone 1-800-242-4672 www .homelite.com WARNING: The engine exhaust fr om this product contains chemicals known to the State of Califor nia to cause cancer , birth defects, or other repr oductive harm. CALIFORNIA PROPOSITION 65 SERVICE For parts [...]