Tecumseh Products TH139SA Operator Manual - Page 13
VII. Maintenance
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VII. Maintenance WARNING To avoid serious injury or death, an adult should perform maintenance on this engine. Only allow children to perform maintenance if an adult has determined they are experienced and capable of such operation. WARNING To prevent accidental starting when working on equipment, always: • Carefully disconnect spark plug wire and keep it away from spark plug. See Figures 16 and 17. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Carefully attach the spark plug wire to the grounding post, if provided. • Disconnect battery at negative terminal first, if engine is equipped with a DC electric starter. • Turn all engine switches to "OFF" position. • Remove ignition key, if provided. NOTES When disconnecting power cord, if present (see equipment manufacturer's instructions) always disconnect power cord from outlet first; then disconnect power cord from switch box on engine. See Figure 18. When connecting power cord, always connect power cord to switch box on engine first; then into outlet. See Figure 18. A. Remote Choke See equipment manufacturer's instructions and contact an Authorized TecumsehPower Servicing Dealer. B. Carburetor If you think your carburetor needs adjusting, see your nearest Authorized TecumsehPower Servicing Dealer. Engine performance should not be affected at altitudes up to 7,000 feet (2,134 meters). For operation at higher elevations, contact an Authorized TecumsehPower Servicing Dealer. C. Engine Speed WARNING To avoid serious injury or death, DO NOT modify engine in any way. Tampering with the governor setting can lead to a runaway engine and cause it to operate at unsafe speeds. NEVER tamper with factory setting of engine governor. Running the engine faster than the speed set at the factory can be dangerous and will VOID THE ENGINE WARRANTY. Figure 16. Disconnecting/Connecting Spark Plug Figure 17. Typical Spark Plug Connection 5 3 2 1 120V AC 5 3 2 4 1 220V AC 1. Power Cord to Outlet 2. Switch Box 3. Starter Button 4. Schuko Plug 5. Power Cord to Switch Box on Engine 181-807-14 Figure 18. Electrical Applications Two-Cycle Engine • Horizontal/Vertical Crankshaft • Air-Cooled Page 11