Tecumseh Power OV195EA Operator's Manual page 17

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 32.
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 (0.76 mm) if necessary. See Figure 33.
5. Install spark plug and tighten securely.
A resistor spark plug must be used for replacement. Contact
your Authorized TecumsehPower Servicing Dealer for a
genuine replacement Resistor Spark Plug.
181-1272-14
NOTE
Four-Cycle Engine • Vertical Crankshaft • Air-Cooled
4
3
2
1
1. Cooling Fins
2. Air Intake Screen
3. Levers and Linkage
4. Spark Plug Connection
Figure 32. Debris Removal Locations
2
1
1. .030 in. (0.76 mm) Gap
2. Electrodes
3. Porcelain
Figure 33. Resistor Spark Plug
2
1
3
3
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