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For replacement use Champion RCJ8Y or equivalent. NOTE: A resistor spark plug must be used for replacement. D. Check electrode gap with wire feeler gauge and set gap at .030 if necessary. E. Install spark plug, tighten securely. Figure 5 MUFFLER AND CYLINDER EXHAUST PORTS: The muffler, cylinder exhaust and compression release ports re quire cleaning after 75 to 100 hours of operation. For this maintenance procedure we recommend that you take your engine to your Authorized Tecumseh Service Dealer. CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTS, BOLTS AND ATTACHMENTS AND KEEP THESE ITEMS TIGHTENED. ADJUSTMENTS DO NOT MAKE UNNECESSARY ADJUSTMENTS. FACTORY SETTINGS ARE SATISFACTORY FOR MOST CONDITIONS. • CARBURETOR: If you think your carburetor needs adjusting, see your nearest AUTHORIZED TECUMSEH SERVICE OUTLET. Engine performance should not be affected at altitudes up to 7,000 feet. For operation at higher elevations, contact your AUTHORIZED TECUMSEH SERVICE OUTLET. * ENGINE SPEED: NEVER TAMPER WITH ENGINE GOVERNOR WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING ENGINE ABOVE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. CHANGING OF ENGINE GOVERNED SPEED WILL VOID ENGINE WARRANTY._ For engine adjustments and/or repairs not covered in this "OPERATOR'S MANUAL" see "WARRANTY & REPAIR" on Page 6. Paae 4 181-807-14 STORAGE_ A NEVER STORE ENGINE WITH FUEL IN TANK INDOORS OR IN ENCLOSED, POORLY VENTILATED AREAS, WHERE FUEL FUMES MAY REACH AN OPEN FLAME, SPARK OR PILOT LIGHT AS ON A FURNACE, WATER HEATER, CLOTHES DRYER OR OTHER GAS APPLIANCE._ IF ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE, PREPARE AS FOLLOWS: • DRAIN FUEL SYSTEM: A. Remove all gasoline from carburetor and fuel tank to prevent gum deposits from forming on these parts and causing possible malfunction of engine. A DRAIN FUEL INTO APPROVED CONTAINER OUT-44 DOORS, AWAY FROM OPEN FLAME. BE SURE | ENGINE IS COOL. DO NOT SMOKE._ B. Run engine until fuel tank is empty and engine stops due to lack of fuel. NOTE: If "Gasohol" has been used, complete above instructions and then put 1/2 pint of gasoline properly mixed with oil per FUEL MIX CHART on Page 2 into fuel tank and repeat above instructions. NOTE: Tecumseh "SMART START™" gasoline preservative and stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to gasoline in fuel tank or storage container. Always follow mix ratio found on stabilizer container. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor. STORAGE (Continued) • DRAIN CARBURETOR (if so equipped): Drain carburetor by pressing upward on bowl drain (see Figure 6), which is located below carburetor (see Figure 1). \ DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS, 4 AWAY FROM OPEN FLAME. BE SURE ENGINE IS COOL. | DO NOT SMOKE._ NOTE: Do not drain carburetor if using fuel stabilizer. CARBURETOR (optional) Figure 6 • CYLINDER BORE: A. Pull starter handle slowly until resistance is felt due to compression pressure, then stop. B. Release starter tension slowly to prevent engine from reversing due to compression pressure. The position will close both the intake and exhaust ports to prevent corrosion of the piston and cylinder bore. Page 5 181-807-14 WARRANTY AND REPAIR For engine adjustment, repairs, or warranty service not covered in this manual, contact you nearest AUTHORIZED TECUMSEH SERVICE OUTLET. It is listed in your telephone book yellow pages under "Engines, Gasoline." If you have a general understanding of internal combustion engines and wish to repair and service your engine yourself, a "MECHANICS HANDBOOK" which covers repairs and adjustments not covered in this OPERATOR'S MANUAL is available from your AUTHORIZED TECUMSEH SERVICE OUTLET. Order as Part No. 692508 (HSK600) or 694988 (HSK840). Tecumseh manufactures and is responsible only for the engine used on this power equipment. If repair or service is needed for unit, other than engine, contact service source as recommended by equipment manufacturer. Warranty requirements for engines sold outside of the USA may vary from country to country. For warranty details for your specific country, contact your national Tecumseh Service Distributor. If help is needed in locating your national service distributor, you may contact Tecumseh c/o International Service Coordinator, Engine & Transmission Group Service Division, 900 North Street, Grafton, Wisconsin USA 53024-1499. Telephone in USA is 414377-2700. LIMITED WARRANTY FOR NEW TECUMSEH ENGINES AND ELECTRONIC IGNITION MODULES For the time period shown below from the date of purchase, Tecumseh Products Company will, at its option as the exclusive remedy, either repair or replace for the original purchaser, free of charge, any part of any new Tecumseh engine which is found, upon examination by any Te...

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