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Operator’s Manual
Fource Fource
Model 21000 Model 21100
Copyright Briggs & Stratton Corporation Form No. 277097-3/07
BRIGGSandSTRATTON.com Milwaukee, Wisconsin 53201 U.S.A.
Printed in U.S.A.
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Safety References SYMBOLS ASSOCIATED WITH THIS ENGINE: The safety alert symbol is used to identify safety information about hazards that can result in personal Read injury. A signal word (DANGER, WARNING, or Fire Manual CAUTION) is used with the alert symbol to indicate the likelihood and the potential severity of injury. In addition, a hazard symbol may be used to represent the type of Explosion Oil hazard. Kickback Fuel DANGER indicates a hazard which, if not avoided, will result in death or
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Features 1. Carburetor 7. Spark Plug 2. Stop Switch location, if equipped/stop wires 8. Primer Bulb 3. Rope Handle 9. Engine Identification Model XXXXX Type XXXXXX Code 4. Fuel Fill XXXXXXXX 5. Air Cleaner 10. Oil Fill/Dipstick 6. Choke 1 2 6 5 4 3 7 6 8 9 10 3
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Safety CAUTION WARNING This engine is shipped from Briggs & Stratton Rapid retraction of starter cord (kickback) without oil. If you start the engine without oil, will pull hand and arm toward engine the engine will be damaged beyond repair and faster than you can let go. will not be covered under warranty. Broken bones, fractures, bruises or sprains could result. WARNING • When starting engine, pull cord slowly until resistance is felt, then pull rapidly. Gasoline and its vapors are extremely •
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Starting This engine is shipped WITHOUT oil. See section on oil for recommendations, capacity, and filling details. CAUTION Operating engine at an excessive speed without proper engine loading will cause damage. DO NOT operate a string trimmer with a line shorter than Full Choke 10’’ diameter for extended periods. Half Choke Off Position Choke Lever Primer Bulb 1. Set unit on flat surface and push primer bulb 15 times FOR A NEW ENGINE. Push primer bulb 8 times for all future starts. 2. Move red
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Stopping WARNING Do not stop engine by moving choke control to CHOKE. Backfire, fire or engine damage could occur. 1. Depress stop switch located on the engine or equipment to stop. Need Assistance? Go to www.briggsandstratton.com or call 1-800-233-3723 6
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Troubleshooting CAUTION Engine will not start This engine is shipped from Briggs & Stratton without oil. If you start the engine without oil, the Out of fuel engine will be damaged beyond repair and will not be covered under warranty. • Prime engine • If engine is cold, ensure choke is set correctly. • Add fuel WARNING Engine flooded • Ensure fuel cap is in place before • Set choke to FULL CHOKE position and starting engine continue to pull starter handle. • Turn engine OFF and let engine cool a
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Oil Capacity Adding Oil Engine holds approximately 3 ounces (90 ml). CAUTION Change oil after first 4 hours of use. KEEP ENGINE LEVEL Oil Recommendation • Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher, such as Briggs & Stratton SAE 30, Part Number 100091 (3.2oz) or Briggs & Stratton Synthetic Oil, Part Number 100074. • Do not use special additives. Engine must be level, with oil fill facing up, to • Choose a viscosity according to the table below. check oil.
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Changing Oil & Checking Level Change oil after first 4 hours of use, then every 8 hours. Change oil every 4 hours when operating the engine under heavy load or in high temperatures. WARNING • Disconnect spark plug wire and keep it away from spark plug. 1. Change oil while engine is OFF but still warm, ensure fuel cap is tightened securely. 2. Remove dipstick and drain oil in direction shown. 3. Place engine level. Using oil measure cup pour oil slowly adding half ounce at a time. Do not over fi
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Fuel Type of Fuel to Use CAUTION • Use clean, fresh, regular unleaded gasoline with a Some fuels, called oxygenated or reformulated minimum of 85 octane. Fresh fuel prevents gum fuels, are fuels blended with alcohols or ethers. from forming in the fuel system or on essential Excessive amounts of these blends can carburetor parts. Purchase fuel in quantity that can damage the fuel system or cause performance be used within 30 days. problems. If any undesirable operating • For engine protection us
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Specifications Technical Information CAUTION All the components used to build this engine assembly must remain in place for the proper Engine Power Rating Information operation of this engine. The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of We recommend that you use an authorized Briggs & Automotive Engineers) code J1940 (Small Engine Stratton Service Dealer for all maintenance and service Power & Torque Rating Procedure), and rating of the e
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Maintenance Regular maintenance will improve the performance and extend the life of the engine. See any Authorized Briggs WARNING & Stratton Dealer for service. Use only genuine Briggs & Stratton parts. Other parts may not Unintentional sparking can result in perform as well, may damage the engine, and may fire or electric shock. result in injury. In addition, use of other parts may void your warranty. Fire or explosion can cause severe burns or death. Emission Control Maintenance, replacement o
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Air Cleaner Check and clean the intake chamber for dirt. If the foam air filter is dirty and worn, replace with clean filter. CAUTION 1. Push cover tab to release cover, then pull cover away from engine to service air filter. Do not use pressurized air or solvents to clean cartridge. Pressurized air can damage cartridge; solvents will dissolve cartridge. WARNING Ensure air cleaner, retainer, and cover are properly installed before starting engine. Clean intake area Cover Tab Foam Air Fil- ter F
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Cleaning Debris Daily or before every use, clean accumulated debris CAUTION from engine. Keep linkage, spring and controls clean. Keep area behind muffler free of any combustible Do not use water to clean engine parts. Water debris. could contaminate fuel system. Use a brush or dry cloth. Spark Plug Check the spark plug every 50 hours. Replace the spark plug if upon inspection the electrode is burned or worn. Ensure the spark plug is clean. Check the gap WARNING with a feeler gauge and reset if
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Storage The following precautions should be taken if storing your trimmer unit for a period exceeding 30 days, or for WARNING seasonal storage. • While engine is still warm, change oil. When storing fuel or equipment with fuel in tank: • Clean engine of surface debris, chaff or grass. • Drain all fuel from fuel tank into proper receptacle • Store away from furnaces, stoves, water heaters, for storage. or other appliances that have a pilot light or other • Press primer bulb 15 times to purge fuel
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Service See an Authorized Briggs & Stratton Service Dealer for PARTIAL LIST OF all your engine service needs. Each one carries a stock GENUINE BRIGGS & STRATTON of Genuine Briggs & Stratton Parts and is equipped PARTS with special service tools. Trained mechanics assure expert repair service on all Briggs & Stratton engines. PART PART NO. Only dealers advertising as “Authorized Briggs & Air Filter Foam . . . . . . . . . . . . . . . . . . . . . . . . . . . . 696923 Stratton” are required to mee
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Warranty Information Briggs & Stratton Corporation (B&S), the California Air Resources Board (CARB) and the United States Environmental Protection Agency (U.S. EPA) Emissions Control System Warranty Statement (Owner’s Defect Warranty Rights and Obligations) The California Air Resources Board (CARB), U.S. EPA and periods of time listed below, provided there has been no B&S are pleased to explain the Emissions Control System abuse, neglect or improper maintenance of your small Warranty on your sm
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ABOUT YOUR ENGINE WARRANTY Briggs & Stratton welcomes warranty repair and 3. Leaking carburetors, clogged fuel pipes, sticking apologizes to you for being inconvenienced. Any valves, or other damage, caused by using Authorized Service Dealer may perform warranty contaminated or stale fuel. repairs. Most warranty repairs are handled routinely, 4. Parts which are scored or broken because an but sometimes requests for warranty service may not engine was operated with insufficient or be appropriate.
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BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY Effective 12/06 LIMITED WARRANTY Briggs & Stratton Corporation will repair or replace, free of charge, any part(s) of the engine that is defective in material or workmanship or both. Transportation charges on product submitted for repair or replacement under this warranty must be borne by purchaser. This warranty is effective for and is subject to the time periods and conditions stated below. For warranty service, find the nearest Authorized Service
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