User manual MTD 93400

[. . . ] Industrial Plus Operating & Maintenance Instructions Model Series Covered in This Manual 90000 Model Type Code Month Day Year Note: General Model Series numbers noted above are inclusive of the specific model 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. WARNING Briggs & Stratton does not approve or authorize the use of these engines on 3-wheel All Terrain Vehicles (ATVs), motor bikes, aircraft products or vehicles intended for use in competitive events. Use of these engines in such applications could result in property damage, serious injury (including paralysis), or even death. [. . . ] If muffler is equipped with spark arrestor screen, remove screen for inspection. AIR COOLING SYSTEM It is recommend cleaning the air cooling system every 100 hours. SEE PAGE 14 FOR SPARK PLUG PART NUMBERS Use only Briggs & Stratton Spark Tester (part number 19368) to check for spark. CLEAN OUT DEBRIS AND CHAFF 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. 0000 MAINTENANCE CLEANING DEBRIS Daily or before every use, clean accumulated debris from engine. WARNING Engine parts should be kept clean to reduce the risk of overheating and ignition of accumulated debris. 0000 ADJUSTMENTS THROTTLE ADJUSTMENT 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. CARBURETOR ADJUSTMENT WARNING The manufacturer of the equipment on which this engine is installed specifies top speed at which the engine will be operated. Air cleaner and air cleaner cover must be assembled to carburetor before starting engine. (Air cleaner is shown removed in illustration below for clarity ONLY. ) The carburetor on this engine is equipped with an idle speed adjustment screw and a non adjustable idle mixture valve (see inset) and an idle speed adjustment screw. Before performing adjustments: • Remove spark plug wire from spark plug. CONTROL PLATE CARBURETOR THROTTLE LEVER WING NUT NON-ADJUSTABLE IDLE MIXTURE VALVE • Loosen or tighten wing nut on control plate until throttle control moves with some resistance and still remains in desired position when engine is running. TO ADJUST REMOTE THROTTLE CASING CLAMP SCREW IDLE SPEED SCREW [1] [2] [3] To adjust idle speed, start engine and warm up about 5 minutes. Then with engine running, place equipment throttle control in SLOW position. Rotate carburetor throttle lever against the idle speed screw and hold it while adjusting the idle speed screw to obtain 1300 rpm (use a tachometer). 14 Note: Engines operated at approximately 3000 to 5000 feet (900 to 1500 meters) above sea level may require a high altitude carburetor main jet. Air cleaner cartridge 494511 Air cleaner pre-cleaner 492889 Oil 100005 -or- 100028 Gas additive 5041 Resistor spark plug (if slanted in cylinder head) 496018 Standard spark plug (if straight up in cylinder head) 492167 Resistor spark plug (if straight up in cylinder head) 802592 Long life platinum spark plug 5062 (used if straight up in cylinder head) Long life platinum spark plug 5066 (used if slanted in cylinder head) Spark plug wrench 89838 -or- 5023 Spark tester 19368 Oil pump kit 5056 (uses standard electric drill to remove oil from engine quickly) An illustrated shop manual includes common specifications and detailed information covering adjustment, tune-up and repair of Briggs & Stratton single cylinder, L-head, 4 cycle engines. It is available for purchase from an Authorized Briggs & Stratton Service Dealer or you can order it from the factory. Box 1144 Milwaukee, WI 53201 j Check or money order enclosed payable to Briggs & Stratton Corporationin the amount of $_______ (U. [. . . ] Also included may be connectors and other emission related assemblies. Where a warrantable condition exists, B&S will repair your small off-road engine at no cost to you including diagnosis, parts and labor. Briggs & Stratton Emission Control Defects Warranty Coverage Small off-road engines are warranted relative to emission control parts defects for a period of two years, subject to provisions set forth below. If any covered part on your engine is defective, the part will be repaired or replaced by B&S. [. . . ]