Tecumseh OH318EA Automobile Parts User Manual


 
Page 20 Power Sport Recreational Application Operator’s Manual 181-1269-14
B. Removing Debris From Engine
Before each use, remove grass clippings, dirt, debris, snow
or ice from the following areas:
• Cooling fins
• Air intake screens
• Levers
• Linkage
• Guards
Removing debris will facilitate adequate cooling, correct
engine speed or reduce the risk of fire. See Figure 40.
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 elec-
trodes are:
• Pitted
• Burned
• Fouled with deposits
4. Check electrode gap with wire feeler gauge and set
gap to .030 in. (0.76mm) if necessary. See Figure 41.
5. Install spark plug and tighten securely.
NOTE
A resistor spark plug must be used for replacement. Contact
your Authorized Tecumseh Servicing Dealer for a
Tecumseh Resistor Spark Plug.
Figure 40. Debris Removal Areas
Figure 41. Resistor Spark Plug
1. Levers and Linkage
2. Cooling Fins
3. Air Cleaner Cover
4. Flywheel Guard
5. Muffler Guard
5
3
3
1
1
1
4
2
1. .030 in. (0.76mm) Gap
2. Electrodes
3. Porcelain
3
2
1