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Operating & Maintenance
Instructions
Model Series
Covered in
This Manual
400000
440000
Model Type Code
Note: General Model Series numbers noted above are inclusive of the specific mod-
Month Day Year
el number found on your engine. To get replacement parts or technical assistance
in the future, write your engine Model, Type, Code and date of purchase here.
TABLE OF CONTENTS
WARNING
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Briggs & Stratton does not approve or
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The Power That Works For You. Look For Relevant Emissions Durability Period and Air Index Information On Your Engine Emissions Label Engines that are certified to meet the California Air Resources Board (CARB) Tier 2 Emission Standards must display information regarding the Emissions Durability Period and the Air Index. Briggs & Stratton makes this information available to the consumer on our emission labels. The Emissions Durability Period describes the number of hours of actual running time
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275475 BEFORE OPERATING ENGINE • Read entire Operating & Maintenance Instructions AND the instructions for the equipment this engine powers.* • Failure to follow instructions could result in serious injury or death. THE OPERATING & MAINTENANCE INSTRUCTIONS CONTAIN SAFETY INFORMATION TO • Make you aware of hazards associated with engines • Inform you of the risk of injury associated with those hazards, and • Tell you how to avoid or reduce the risk of injury. The safety alert symbol ( ) is used t
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SAFETY WARNING WARNING Starting engine creates sparking. Gasoline and its vapors are extremely flammable and explosive. Sparking can ignite nearby flammable gases. Fire or explosion can cause severe burns or death. Explosion and fire could result. WHEN ADDING FUEL • If there is natural or LP gas leakage in area, do not start engine. • Turn engine OFF and let engine cool at least 2 minutes before removing gas cap. •Do not use pressurized starting fluids because vapors are flammable. • Fill fuel t
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SAFETY WARNING WARNING Engines give off carbon monoxide, an Unintentional sparking can result in fire or odorless, colorless, poison gas. electric shock. Breathing carbon monoxide can cause nausea, fainting or death. Unintentional start-up can result in en- tanglement, traumatic amputation, or lac- • Start and run engine outdoors. eration. • Do not start or run engine in enclosed area, even if doors or windows are open. BEFORE PERFORMING ADJUSTMENTS OR REPAIRS WARNING • Disconnect spark plug wir
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ENGINE INFORMATION 1 8 6 9 2 7 3 10 11 4 12 5 6 13 1. Rotating screen 9. Intake manifold 2. Oilfill/Dipstick 10. Choke control bracket 14 3. 12V electric starter 11. Carburetor 4. Fuel filter (if equipped) 12. Throttle control bracket 5. Oil drain plug 13. Engine Model Type Code 6. Spark plug wire xxxxxxxxxx xxxxxxxxxx 7. Fuel pump 14. Oil filter 8. Air cleaner GENERAL INFORMATION MODEL SERIES 400000 Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.97 in. (75.44 mm) This is a twin cy
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275475 OIL SAE Viscosity Grades CAUTION: This engine is shipped from Briggs & Stratton without oil. Check oil level before starting engine. If you start the engine without oil, the engine ** will be damaged beyond repair and will not be * covered under warranty. OIL CAPACITY -20 0 20 32 40 60 80 100 °F Engine without oil filter holds approximately 1-7/8 quarts -30 -20 -10 0 10 20 30 40 °C (60 ounces; 1.8 liter). STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE Engine equipped with o
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FUEL • This engine is certified to operate on gasoline. Exhaust TYPE OF FUEL TO USE Emission Control System: EM (Engine Modifications). •Use clean, fresh, regular unleaded gasoline with a minimum of 85 octane. Fresh fuel prevents gum from CAUTION: Some fuels, called oxygenated or reformu- forming in the fuel system or on essential carburetor parts. lated gasoline, are gasoline blended with alcohols or Purchase fuel in quantity that can be used within 30 days. ethers. Excessive amounts of these b
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STARTING AND STOPPING ELECTRIC (KEY) STARTER TO START ENGINE FULL Ï Ï Choke Ï [2] Open fuel shut-off valve Ï (if equipped). [4] Move throttle (if equipped) to FAST. Operate engine with [3] Move choke control to throttle in FAST. CHOKE or START. [1] Check oil level (see p. 7). [6] Let engine warm up. CAUTION: To prolong Choke Equipped: Move starter life, use short choke control lever toward starting cycles (5 se- RUN a short distance at a conds maximum, then time over several seconds wait one m
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MAINTENANCE MAINTENANCE EMISSION CONTROL Regular maintenance will improve the performance and Maintenance, replacement or repair of the emission extend the life of the engine. See any Authorized Briggs & control devices and systems may be performed by any Stratton Dealer for service. Use only genuine Briggs & nonroad engine repair establishment or individual. Stratton parts. Other parts may not perform as well, However, to obtain no charge repairs under the terms and may damage the engine, and m
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MAINTENANCE OIL PRESSURE CHANGING OIL FILTER 2 If oil pressure drops below 4-6 psi (.2-.4 kg/cm ), an oil Change oil filter after every 100 hours or every season. pressure switch (if engine is equipped) will either activate a [1] Drain engine oil and remove oil filter. warning light or stop the engine. Check oil level with [2] Before installing new filter, lightly oil filter gasket with dipstick. If oil level is between ADD and FULL mark on fresh, clean oil. dipstick, Do not try to restart engin
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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. 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 WARNING starter engines only) to prevent unintentional sparking. Unintentional sparking can result in fire or electri
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MAINTENANCE CLEANING DEBRIS ROTATING SCREEN CAUTION: Do not use water to clean engine parts. Water could contaminate fuel system. Use a brush or dry cloth. Engine parts should be kept WARNING clean to reduce the risk of overheating and ignition of accumulated debris. This is Rotating Screen especially important if cutting tall grass. 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 combus- t
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ADJUSTMENTS TO ADJUST REMOTE THROTTLE CONTROL CARBURETOR ADJUSTMENT If the engine does not start or if it runs roughly, the remote WARNING throttle control may need adjustment. See your authorized Briggs & Stratton dealer or follow the instructions below. The manufacturer of the equipment on which this engine is installed specifies top speed at which the THROTTLE engine will be operated. DO NOT EXCEED this speed. STOP Differences in fuel, temperature, altitude or load may require minor carbureto
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SERVICE & STORAGE An illustrated shop manual includes PARTIAL LIST OF GENUINE BRIGGS & common specifications and detailed in- STRATTON PARTS formation covering adjustment, tune-up and repair of Briggs & Stratton twin BRIGGS & STRATTON cylinder, OHV, 4 cycle engines. It is PART PART NO. (or equivalent) available for purchase from an Autho- Extended Life Series air cleaner cartridge 695667 rized Briggs & Stratton Service Dealer or Air cleaner cartridge 499486 you can order it from the factory. W
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SERVICE & STORAGE [2] While engine is still warm, change oil. STORAGE Engines stored over 30 days need special attention. [3] Remove spark plugs and pour about 1 oz. (30 ml) of engine oil into each cylinder. Replace spark plugs and [1] To prevent gum from forming in fuel system or on crank slowly to distribute oil. essential carburetor parts: a) if fuel tank contains oxygenated or reformulated [4] Clean engine of surface debris, chaff or grass. gasoline (gasoline blended with an alcohol or an [5
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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 parts submitted for repair or replacement under this warranty must be borne by purchaser. This warranty is effective for the time periods and subject to t
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! !'!! +,- . /! !" ! +, . ( 0!& ! "! "1 +(22 , &! !! 1 & 1 & + # 3 ) / " 1 . 4 !, EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLE TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 AND THERE- AFTER, WHICH ARE USED IN CALIFORNIA, AND TO CERTIFIED MODEL YEAR 1997 AND LATER ENGINES WHICH ARE PURCHASED AND USED ELSEWHERE IN THE UNITED STATES (AN
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