Briggs & Stratton Engine 277038 Operators Manual
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Operator’s Manual Sprint 500 Series Quattro 500 Series LX 500 Series SQ 500 Series Q 500 / 550 Series Classic 450 Series Sprint 475 Series Quattro 475 SeriesModel 90000 Model 100000 Quick Start Guide on page 4 BRIGGSandSTRATTON.com Copyright Briggs & Stratton Corporation Milwaukee, Wisconsin 53201 U.S.A. Form No. 277038-9/06 Printed in U.S.A.
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Safety References The safety alert symbol () is used to identify safety information about hazards that can result in personal injury. A signal word (DANGER, WARNING, or 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 hazard. DANGER indicates a hazard which, if not avoided, will result in death or serious injury. WARNING indicates a hazard which, if not avoided, could result in death...
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3 Starter Handle Fuel Fill Carburetor Primer Bulb Spark Plug Wire Air Cleaner Governor Control Lever (if equipped) Know Your Engine Oil Fill/- Dipstick Oil Drain Plug Engine Model Type XXXXX XXXX XX Code XXXXXXXX Muffler/Muffler Guard (if equipped)/Spark Arrester (if equipped)
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4 See page 9 for details. HOW ? Unscrew and remove oil cap. Pour in oil. Replace cap. WHAT KIND ? High quality SAE 30 detergent oil rated SF, SG, SH or higher. HOW MUCH ? To FULL line on dipstick. Engine holds about 18 oz. SPECIAL CONCERNS ? Do not overfill. Do not tip enigine. See page 11 for details. WARNING Starting engine creates sparking. Gasoline and its vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death. If fuel spills, wait until it evaporates...
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5 For complete starting instructions see page 7. HOW ? Locate primer bulb. Press with finger. Wait two seconds between each press. HOW MANY TIMES ? Press 5 times the FIRST TIME you start engine. For all future starts, press 3 times. SPECIAL CONCERNS ? Pressing primer too many times can flood engine with gas. A flooded engine will not start. See Troubleshooting section. HOW ? Stand behind equipment. Close bail, or operator control bar, on equipment with this feature. If you do not keep bail held...
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6 Starter handle will not pull. •Ensure all external equipment/engine loads are removed before starting engine. Direct coupled equipment components must be securely attached such as, but not limited to, blades, impellers, pulleys, sprockets, etc. WARNING Troubleshooting Engine will not start. •Drain excess oil from engine to bring level to FULL mark on dipstick. •Check air cleaner filter for oil saturation. If saturated, clean or replace filter. Oil Level is OVER FULL mark on dipstick.DO NOT OVERFILL....
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7 Starting [1] Check oil level. Ensure level is at FULL mark on dipstick. Use the correct oil type for expected starting temperature. [2] Fill with fresh gasoline. Move throttle to FAST. (if equipped) [3] Firmly push primer bulb 3 times. Note: If starting a NEW ENGINE, press 5 times. If engine floods, set choke to OPEN/RUN position, place throttle in FAST (if equipped) and crank until engine starts. [4] Squeeze brake release bar toward handle on mower and any other equipment with this feature. If you do...
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8 Operating Engines give off carbon monoxide, an odorless, colorless, poison gas. Breathing carbon mon- oxide can cause nausea, fainting or death. WARNING After engine has started, let it warm up several seconds to several minutes, depending on outside temperature. For maximum performance and life, operate engine with throttle in FAST. •Do not tip engine or equipment at angle which causes gasoline to spill. •Do not choke carburetor to stop engine. Periodically remove grass buildup under mower deck. (See...
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9 Oil Oil Capacity The engine holds approximately 18 oz. or 0.5 liter. •Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher, such as Briggs & Stratton SAE 30. •Do not use special additives. •Choose a viscosity according to the table opposite. Note:Synthetic oil meeting ILSAC GF-2, API certification mark and API service symbol (shown at left) with “SJ/CF ENERGY CONSERVING” or higher, is an acceptable oil at all temperatures. Use of synthetic oil does not alter required oil...
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10 Changing Oil Change oil after first 5 to 8 hours of use, then every 50 hours or every season. Change oil every 25 hours when operating the engine under heavy load or in high temperatures. [1] Run engine until it runs out of fuel. Otherwise, fuel can leak out, creating a fire/explosion hazard, when you tip engine in Step 4. [2] Disconnect spark plug wire and keep it away from spark plug. [3] With engine OFF but still warm remove dipstick. [4] Top oil drain, keep spark plug side up. Bottom or side oil...