Tecumseh Products OH195EP Operator Manual - Page 13

B. Removing Debris from Engine Before each use, remove grass clippings, dirt and debris from the following areas: • Levers and Linkage • Cooling Fins • Air Intake Screen • Guards Removing debris will insure adequate cooling, correct engine speed and reduce the risk of fire. See Figure 22. 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. NOTE A resistor spark plug must be used for replacement. Contact your Authorized TecumsehPower Servicing Dealer for a genuine replacement Resistor Spark Plug. D. Cleaning/Replacing Air Cleaner Your engine has an air cleaner which helps prevent premature engine wear and failure. NEVER run engine without complete air cleaner installed on engine. Your air cleaner periodically needs to be cleaned or replaced. NOTE Contact your Authorized TecumsehPower Servicing Dealer for a genuine replacement Air Cleaner. I. Servicing Foam Pre-Filters Inspect and clean or replace foam pre-filters every 3 months or every 25 operating hours. Clean daily if used in extremely dusty conditions. After removing the filter, follow these cleaning instructions below: 1. Wash in warm water and detergent solution then press (DO NOT twist) until all dirt is removed. 2. Rinse thoroughly until water is clear. 3. Wrap in a clean cloth and press (DO NOT twist) until completely dry. NOTE DO NOT oil foam pre-filter. 4. Replace foam pre-filter onto paper filter. 2 3 1 1. Levers and Linkage 2. Cooling Fins 3. Air Intake Screen Figure 22. Debris Removal Areas 2 3 1 1. .030 in. (0.76 mm) Gap 2. Electrodes 3. Porcelain Figure 23. Resistor Spark Plug 181-1032-14 Page 11