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Manafacture: Briggs & Stratton File size: 401.4 kb File name: Language of manual:

Pre-cleaner To clean pre-cleaner (if equipped), separate it from cartridge and wash in liquid detergent and water. Squeeze dry in a clean cloth. Saturate in engine oil. Squeeze in clean, absorbent cloth to remove all EXCESS oil. Cartridge To clean cartridge, gently tap on a flat surface. REMOVING AND INSTALLING AIR CLEANER FOAM BODY Dual element air cleaner COVER CARTRIDGE PART NO. 394018 PRE-CLEANER PART NO. 272490 CLIPS PRE-CLEANER and CARTRIDGE PART NO. 5050 IIIPLATE KNOB [1] Unhook clips on both sides of cover and remove cover. [2] Remove knob and plate. Carefully remove air cleaner assembly to prevent debris from entering carburetor. [3] Reassemble clean (or new) pre-cleaner on clean (or new) cartridge. [4] Reinstall air cleaner assembly, plate and knob in body. [5] Replace cover and reattach clips to body. 12 MAINTENANCE ENGINE AND ENGINE PARTS We recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine and engine parts. Use only genuine Briggs & Stratton parts. WARNING WARNING If you perform any maintenance on the engine, first disconnect the spark plug wires from the spark plugs, and disconnect the battery at the negative terminal (electric starter engines only) to prevent unintentional sparking. Unintentional sparking can result in fire or electric shock. Unintentional start-up can result in entanglement, traumatic amputation or laceration. Use only correct tools. • Do not strike the flywheel with a hammer or hard object because the flywheel may later shatter during operation. • Do not tamper with governor spring, links or other parts to increase engine speed. MUFFLER WARNING Replacement parts for the muffler must be the same and installed in the same position as the original parts, otherwise fire can occur. If muffler is equipped with spark arrestor screen, remove screen for inspection. Replace screen if damaged or plugged. FUEL SYSTEM WARNING Replacement parts for fuel system (cap, hoses, tanks, filters, etc.) must be the same as original parts, otherwise fire can occur. AIR COOLING SYSTEM Debris may clog the engine’s air cooling system. Remove blower housing and clean area shown to prevent overheating and engine damage. CLEAN AREAS OF ALL DIRT AND DEBRIS FUEL FILTER (IF EQUIPPED) 13 PART NO. 493629 (WITH FUEL PUMP) PART NO. 298090 or 5018 (WITHOUT FUEL PUMP) IIIIIIIIIIIIIIIIFILTERFILTER [1] Disconnect spark plug wires and keep away from spark plugs. [2] Drain fuel tank or close fuel shut-off valve before replacing fuel filter. Otherwise, fuel can leak out, creating a fire/explosion hazard. WARNING SPARK PLUG Use only Briggs & Stratton Spark Tester (part number 19368) to check for spark. Note: In some areas, local law requires using resistor spark plug to suppress ignition signals. If this engine was originally equipped with resistor spark plug, use same type for replacement. .030” (0.76 mm) WIRE GAGE RESISTOR P/N 491055 RESISTOR P/N 496018 VALVE CLEARANCE Check valve clearance yearly. (See Tune-up Specifications on page 6). 14 MAINTENANCE CLEANING DEBRIS CAUTION: Do not use water to clean engine parts. Water could contaminate fuel system. Use a brush or dry cloth. Daily or before every use, clean accumulated debris from engine. Keep linkage, springs and controls clean. Keep area around and behind muffler free of any combustible debris. Engine parts should be kept clean to reduce the risk of overheating and ignition of accumulated debris. This is especially important if cutting tall grass. WARNING Finger Guard or Rotating Screen REWIND STARTER GUARD ROTATING SCREEN I I II Linkage, Springs and Controls CLEAN Muffler and Spark Arrester CLEAN SPARK ARRESTER ADJUSTMENTS CONTROL ADJUSTMENTS WARNING Prevent unintentional starting. Before performing adjustments: • Remove spark plug wires from spark plugs. • Disconnect battery at negative terminal (only engines with electric start). TO ADJUST REMOTE CHOKE CONTROL [1] Remove air cleaner. [2] Move choke control to CHOKE or START position. (Carburetor choke should be completely closed.) [3] If not, loosen casing clamp screw. [4] Then move casing, wire and engine choke lever in direction shown until choke is completely closed. [5] Tighten casing clamp screw. Replace air cleaner. CHOKE CLOSED CASING CLAMP SCREW PULL TO CHOKE WIRE AND CASING TO ADJUST REMOTE THROTTLE CONTROL If the engine does not start or if it runs roughly, the remote throttle control may need adjustment. See your authorized Briggs & Stratton dealer or follow the instructions below. CASING CLAMP SCREW SWIVEL EXHAUST MANIFOLD THROTTLE STOP [1] Remove air cleaner. Move throttle control to FAST. (Swivel should be against throttle stop.) [2] If not, loosen casing clamp screw. Move casing and wire in direction shown by arrow until swivel is against throttle stop. [3] Tighten casing clamp screw. Replace air cleaner. CARBURETOR ADJUSTMENT WARNING The manufacturer of the equipment on which this engine is installed specifies top speed at whic...

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