Operator's Manual M 4-Cycle Electric Start Capable WEEDWACKER® GAS TRIMMER Model No. 316.731971 _EU_VA#LE $ TA R TR N _ E A $ E * SAFETY * ASSEMBLY * OPERATION CAUTION: Before using this product, read this manual and follow all its Safety Rules and Operating instructions. Sears Brands Management . ESPANOL, R 19 Corporation, Visit our website: 769-09412 / 00 * MAINTENANCE Hoffman Estates, IL 60179 U.S.A. www.craftsman.
TABLEOFCONTENTS Safety............................................... 2 Warranty............................................. 5 KnowYourUnit........................................ 6 Specifications ......................................... 6 Assembly ............................................. 7 OilandFuel........................................... 9 Starting andStopping .................................. 10 Operation ............................................ 12 Maintenance ............................
• iMPORTANT SAFETY iNSTRUCTiONS READ ALL iNSTRUCTiONS BEFORE OPERATING WHILE OPERATING Wear safety glasses or goggles that meet current ANSI / ISEA Z87.1 standards and are marked as such. Wear ear/hearing protection when operating this unit. Wear a face mask or dust mask if the operation is dusty. Wear heavy long pants, boots, gloves and a long sleeve shirt. Do not wear loose clothing, jewelry, short pants, sandals or go barefoot. Secure hair above shoulder level. WAR N ING.
OTHERSAFETYWARNINGS Store the unit in a dry place, secured or at a height to prevent unauthorized use or damage. Keep the unit out of the reach of children. ,i, All service, other than the maintenance procedures described in this manual, should be performed by a Sears or other qualified service dealer. Before inspecting, servicing, cleaning, storing, transporting replacing any parts on the unit: 1. Stop the unit. Never douse or squirt the unit with water or any other liquid.
CRAFTSMAN TWO YEAR FULL WARRANTY FOR TWO YEARS from the date of purchase, this product is warranted will receive free repair or replacement if repair is unavailable. ADDITIONAL LIMITED WARRANTY on TRIMMER against any defects in material or workmanship. A defective product SHAFTS FOR THE THIRD THROUGH TENTH YEAR from the date of purchase, the outer metal housing of the upper and lower trimmer shafts is warranted against any defects in material or workmanship.
APPLiCATiONS Asatrimmer: • Cutting grassandlightweeds. • Edging • Decorative trimming around trees,fences, etc. Otheroptional accessories maybeusedwiththisunit. ASSEMBLY • • TOOLS Spark Plug Muffler Primer Shaft Gri REQUIRED: On/Off #2 Phillips screwdriver 3/8" Socket Handle Starter Rope Grip Switch Bulb Fuel Cap \ Choke Lever Air Filter Cover Throttle Control Shaft Housing Coupler Oil Fill Pluc Cutting Head Shield Cutting Head Line Cutting Blade Engine Type ...........................
iNSTALLiNG THE CUTTING HEAD SHIELD Screws operate the unitTowithout cuttingpersonal head shield place. WARNING: preventthe serious injury,innever _ 1. 2, 3. (2) ] Mount Bracket Place the cutting head shield onto the mount bracket. Align the holes in the cutting head shield with the holes in the mount bracket. (Fig. 1) Screw the 2 screws through the mount bracket and into the cutting head shield until finger tight.
4. Align the release button with the guide recess (Fig. 5). 5. Push the attachment straight into the coupler (Fig. 3) until the release button snaps firmly into the primary hole (Fig. 5). 6. Turn the knob clockwise to tighten the coupler (Fig. 4). NOTE: Do not tighten the nut (Fig. 5). NOTE: For decorative trimming with a string trimmer attachment, lock the release button into the 90 ° hole (Fig. 4).
USING THE RIGHT FUEL The use of old fuel is the most common cause of performance problems. Use only fresh, clean unleaded gasoline. NOTE: This unit has a four-cycle engine. DO NOT mix oil with gasoline. Definition of Blended Fuels Today's fuels are often a blend of gasoline and oxygenates such as ethanol, methanol or MTBE (ether). Alcohol-blended fuel absorbs water. As little as 1% water in the fuel can make fuel and oil separate, forming acids when stored. ALWAYS use fresh fuel (less than 30 days old).
! outdoor area. Carbon monoxide exhaust fumes can be I_ I WARNING: lethal in a confined Operate area.this unit only in a well-ventilated [__J serious injury, the operator and the unit must be in a stable ARNING: starting position when Avoid pulling accidentally the starter rope (Fig.the 11).unit. To avoid J STARTING iNSTRUCTiONS 1. Check the oil level. Refer to Checking the Oil Level. Throttle Control 2. Fill the fuel tank. Refer to Fueling the Unit. NOTE: There is no need to turn the unit on.
Thisunitcanbestartedwithanoptional SpeedStart TM accessory (items sold separately). Please refer to the Speed Start TM accessory operator's manual for the proper use of this feature. Please contact your local Craftsman retailer, call 1-800-469-4663 or visit www.craftsman.com for more information. item No. 316.85951 316.85952 316.85953 Description .............................. .................................. .............................
HOLDING THE UNiT ! _ • body protection to reduce the risk of injury when operating Always wear eye, hearing, hand, foot and WARNING: this unit. l Stand in the operating position (Fig. 13). Stand up straight. Do not bend over. Keep feet apart and firmly planted. Hold the shaft grip with the right hand. Keep the right arm slightly bent. Hold the handle with the left hand. Keep the left arm straight. Hold the unit at waist level. Fig. 13 Position the cutting head a few inches above the ground.
WARNING: To prevent serious injury, never perform maintenance or repairs while the unit is running. Always allow the unit to cool before servicing or repairing the unit. Disconnect the spark plug wire to prevent the unit from starting accidentally. MAINTENANCE SCHEDULE Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be a part of any seasonal tune-up. NOTE: Some maintenance procedures may require special tools or skills.
CHECKING THE OiL LEVEL WARNING: OVERFiLLiNG THE CRANKCASE MAY CAUSE SERIOUS PERSONAL iNJURY. Check the oil level before each use. The importance of maintaining the proper oil level cannot be overemphasized. inspecting the Oil Level Window 1. Stop the engine and allow it to cool. 2. Set the unit on a flat, level surface, such as a workbench or table. The cutting head shield should hang over the edge so that the engine is level (Fig. 18).
MAiNTAiNiNG THE AiR FILTER Hole Air Filter J the engine and allow it to cool before cleaning or maintaining WARNING; To avoid serious personal injury, always stop | the unit. Air Filter Cover Failure to maintain the air filter can result in poor performance or can cause permanent damage to the engine. Engine failure due to improper air filter maintenance is not covered by the product warranty. Cleaning Tab Cover Screw the Air Filter Air Filter 1. Unscrew the cover screw completely.
MAiNTAiNiNG THE SPARK PLUG 1. Stop the engine and allow it to cool. Grasp the spark plug boot firmly and pull it from the spark plug. 2. Clean around the spark plug. Remove the spark plug from the cylinder head with a 5/8-inch socket, turning counterclockwise. \ | _ electrodes. GritDo in not the sand engine could damage the cylinder. WARNING: blast, scrape or clean spark plug J 0.025 in. 3. inspect the spark plug.
! PROBLEM SOLUTION The primer bulb was not pressed enough Press the primer bulb 10 times The spark plug is fouled Replace the spark plug The fuel is old (over 30 days) Drain the fuel tank and add fresh fuel The fuel is old (over 30 days) Drain the fuel tank and add fresh fuel _tiho _ii @u@_i The air filter is dirty Clean or replace the air filter The fuel is old (over 30 days) Drain the fuel tank and add fresh fuel The spark plug is fouled Replace the spark plug HELP? o Find this and a[[
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