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181-1132-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 11
B. Removing Debris from Engine
Before each use, remove the air cleaner cover. Discard
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"
instructions on page 12 or see "II. Servicing Paper Fil-
ters" instructions on page 12. Afterward, continue read-
ing 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 elec-
trodes 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 Tecumseh Servicing Dealer for a
Tecumseh Resistor Spark Plug.
Figure 21. Debris Locations
Figure 22. Linkage and Lever Bending
Figure 23. Spark Plug
1. Cooling Fins
2. Levers and Linkage
3. Air Inlet
4. Air Cleaner Cover
5. Air Intake Screen
3
5
21
4
1. .030 in. (0.76 mm) Gap
2. Electrodes
3. Porcelain
1
2 3