Operator’s Manual 2-Cycle GAS BACKPACK BLOWER Model No. 316.794990 with CAUTION: Before using this product, read this manual and follow all safety rules and operating instructions. • • • • • SAFETY ASSEMBLY OPERATION MAINTENANCE PARTS LIST Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A. Visit our website: www.sears.
TABLE OF CONTENTS Warranty Page 2 Safety Rules Pages 3 - 8 Troubleshooting Page 16 Assembly Page Repair Parts Page 18 Starting / Stopping instrustion Pages 10 - 11 Operation Page 12 Maintenance 9 Pages 13 - 15 WARRANTY STATEMENT TWO YEAR LIMITED WARRANTY ON CRAFTSMAN GAS BACKPACK BLOWER For two years from the date of purchase, when this Blower is used and maintained according to the operator’s manual, Sears will repair any defect in material or workmanship free of charge.
RULES FOR SAFE OPERATION The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures. SYMBOL SYMBOL MEANING Failure to obey a safety warning will result in serious injury to yourself or to others.
RULES FOR SAFE OPERATION • Do not operate the engine faster than the speed needed to do the job. Do not run the engine at high speed when not in use. WHILE OPERATING • Never start or run the unit inside a closed room or building. Breathing exhaust fumes can kill. Operate this unit only in a well-ventilated outdoor area. • Always stop the engine when operation is delayed or when walking from one location to another. • Wear safety glasses or goggles that are marked as meeting ANSI Z87.
RULES FOR SAFE OPERATION OTHER SAFETY WARNINGS SPECIAL NOTE: Exposure to vibrations through prolonged use of gasoline powered hand tools could cause blood vessel or nerve damage in the fingers, hands, and joints of people prone to circulation disorders or abnormal swelling. Prolonged use in cold weather has been linked to blood vessel damage in otherwise healthy people.
RULES FOR SAFE OPERATION SAFETY AND INTERNATIONAL SYMBOLS This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL SYMBOL MEANING MEANING • ON/OFF CONTROL • SAFETY ALERT SYMBOL ON / START / RUN Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs.
RULES FOR SAFE OPERATION KNOW YOUR BLOWER 4 22 5 23 3 2 21 6 7 1 8 9 10 20 11 12 19 13 18 14 17 16 24 15 BLOWER COMPONENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24.
OIL AND FUEL INFORMATION OIL AND FUEL MIXING INSTRUCTIONS To Obtain Correct Fuel Mix: Old and/or improperly mixed fuel are the main reasons for the unit not running properly. Be sure to use fresh, (less than 60 days old) clean unleaded fuel. Follow the instructions carefully for the proper fuel/oil mixture. Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded gasoline in a separate fuel can. Use a 40:1 fuel/oil ratio. Do not mix them directly in the engine fuel tank.
ASSEMBLY INSTRUCTIONS ATTACH FLEX TUBE Connect the flexible tube (B) to the fan’s outlet tube (A) (Fig. 1) with a hose clamp (C) (Fig. 2) and tighten securely (Fig. 2). B D F B 180˚ A E Fig. 3 Fig. 1 G Fig. 4 C THROTTLE LINKAGE CLIPS Fig. 2 ATTACH OPERATING TUBE 1. Place the unit on flat surface during assemble. Insure screw mechanism of clamp is positioned away from operator. 2. Turn the rotary ring mark(D) align the throttle handle (F).
ASSEMBLY INSTRUCTIONS ATTACH INTERMEDIATE TUBE AND CONCENTRATOR NOZZLE ADJUST BACK PACK HARNESS AND CONTROL HANDLE 1. Connect the intermediate tube (H) and air nozzle (I). Push the tubes together and turn them clockwise so that they lock together. (Fig. 7) B D H 2. 3. I Place blower on your back by slipping arms through the shoulder straps as if you were putting on a jacket (Figure 8).
STARTING/STOPPING INSTRUCTIONS NOTE: The unit uses the INCREDI-PULL™ starting system with MAX FIRE IGNITION™, which significantly reduces the effort required to start the engine. You must pull the starter rope out far enough to hear the engine attempt to start. There is no need to pull the rope briskly--there is no harsh resistance when pulling. Be aware that this starting method is vastly different from (and much easier than) what you may be used to. 5.
OPERATING INSTRUCTIONS BLOWER OPERATIONS OPERATION INSTRUCTIONS 1. Use the blower for trees, shrubs, flower beds, and hard-to-clean areas. 2. Use the unit around buildings and for other normal cleaning procedures. 3. Use the blower around walls, overhangs, fences, and screens. 1. 2. 3. WARNING: Because of flying debris, always wear American National Standards Institute approved shielded safety glasses or face shield when operating blower. 4. 5.
MAINTENANCE AND REPAIR INSTRUCTIONS MAINTENANCE SCHEDULE NOTE: Maintenance, replacement, or repair of the emission control devices and system may be perormed by a Sears or other qualified service dealer. 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: Maintenance, replacement, or repair of the emission control devices and system may only be performed by a Sears or other qualified service dealer.
MAINTENANCE AND REPAIR INSTRUCTIONS 2. Pull filter (D) off with a twisting motion. (Figure 24) 3. Replace fuel filter (D). (Figure 24) AIR FILTER CAUTION: NEVER operate blower without the air filter. The air filter must be kept clean. If it becomes damaged, install a new filter. NOTE: Never operate the blower without the fuel filter. Internal engine damage could result! A To Clean Air Filter: 1.
MAINTENANCE AND REPAIR INSTRUCTIONS SPARK PLUG STORAGE 1. To remove spark plug (B) (Fig. 26) for cleaning or replacement: make sure engine is off, spark plug is cool, then grasp spark plug boot firmly and remove from spark plug. Remove spark plug with correct spark plug tool. Inspect, clean or replace as needed. 2. Spark plug gap = .025" (.635mm) (Figure 25). 3. Torque to 105 to 130 inch pounds (12 to 15 N•m). Connect spark plug boot. 4. If need replace spark plug with Champion RDJ8J or equivalent.
TROUBLESHOOTING UNIT WON’T START OR STARTS BUT WILL NOT RUN CAUSE ACTION 1. Incorrect starting procedures 2. Incorrect carburetor mixture adjustment setting 1. Follow instructions in the Starting/Stopping section 2. Have carburetor adjusted by a Sears or other qualified service dealer 3. Clean/gap or replace plug 4. Fill fuel tank with properly mixed fuel 5. Press primer bulb fully and slowly 10 times 3. Fouled spark plug 4. Empty fuel tank 5.
SPECIFICATIONS ENGINE* Engine Type ................................................................................................................................................. Air-Cooled, 2-Cycle Displacement................................................................................................................................................. (30 cc) (1.83 cu in.) Idle Speed RPM ....................................................................................................................
MODEL NO. 79499 / 41AR322G799 SPECIFY MODEL NO.
MC-9211-334502 MC-9012-330301 MC-9SRCB-05-22 MC-9SXMBJ05-50 MC-9228-334503 MC-9014-GP0102 MC-9211-334501 MC-9017-334501 MC-9SGEB-04-10 MC-9017-334502 MC-9014-334507 MC-9292-334501F MC-9014-334501 MC-9189-334501 MC-9131-334501 MC-9115-334501 MC-9290-334501 MC-9067-334501 MC-9NR-KV9129.8 MC-6221-830301 MC-9228-334502 MC-9288-320601-CH MC-9SRCB-05-20 MC-9010-332102 MC-9SGKB-05-12.
California / EPA Emission Control Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board, The Environmental Protection Agency and Sears, Roebuck and Co., are pleased to explain the emission control system warranty on your 2005 and later small off-road engine. In California and the 49 states, new small off-road engines must be designed, built and equipped to meet stringent anti-smog standards.
