Tecumseh Products OHV110 Operator Manual - Page 13
Removing Debris from Engine, Spark Plug - spark plug for
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B. Removing Debris from Engine Before each use, remove the air cleaner cover. Remove grass clippings, dirt and debris from the following areas: • Levers and Linkage • Cooling Fins • Air Intake Screen • Air Inlet • Guards Removing debris will insure adequate cooling, correct engine speed and reduce the risk of fire. See Figure 21. NOTES Before removing air cleaner cover, see "III. Filter Removal/ Installation" instructions on page 12. Special care should be taken to prevent damage when removing air cleaner cover. See Figure 21. Afterward, continue reading instructions below. DO NOT bend levers and linkage with fingers. See Figure 22. 1. Remove air cleaner cover and filters. See Figure 21 2. Remove debris from air inlet, air cleaner cover and air intake screen. 3. Inspect filter(s) for discoloration or dirt accumulation. If either is present, see "I. Servicing Foam Pre-Filter" and/or "II. Servicing Paper Filters" instructions on page 12. Afterward, continue reading instructions below. 4. Replace air cleaner cover and filters. C. Spark Plug Check spark plug yearly or every 100 operating hours. 1. Clean area around spark plug. 2. Remove and inspect spark plug. 3. Replace spark plug if porcelain is cracked or if electrodes are: • Pitted • Burned • Fouled with Deposits 4. Check electrode gap with wire feeler gauge and set gap to-.030 in. (0.76 mm) if necessary. See Figure 23. 5. Install spark plug and tighten securely. 5 4 3 1. Cooling Fins 2. Levers and Linkage 3. Air Inlet 4. Air Cleaner Cover 5. Air Intake Screen 12 Figure 21. Debris Locations Figure 22. Linkage and Lever Bending 2 3 NOTE A resistor spark plug must be used for replacement. Contact your Authorized TecumsehPower Servicing Dealer for a genuine replacement Resistor Spark Plug. 1 1. .030 in. (0.76 mm) Gap 2. Electrodes 3. Porcelain 181-1132-14 Figure 23. Spark Plug Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 11