Tecumseh TH098SA Operator's Manual page 14

D. Adjustments
Do not make any engine adjustments. Factory settings are
satisfactoryfor most conditions.If adjustments are needed,
contact your Authodzed Tecumseh Servicing Dealer.
E. Muffler and
Cylinder
Exhaust Ports
The muffler and cylinder exhaust ports require cleaning
after every 75 to 100 hours of operation. For this
maintenance procedure it is recommended that the engine
be taken to an Authodzed Tecumseh Servicing Dealer.
F.
Spark Plug
Check spark plug yeady 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 (0.76ram) if necessary. See Figure 20,
5. Install spark plug and tighten securely.
NOTE
A resistorsparkplug must be used forreplacement. Contact
your Authorized Tecumseh Servicing Dealer for a
Tecumseh Resistor Spark Plug.
G.
Removing
Snow from
Engine
After each use remove snow from the followingareas:
• Fuel Fill Cap
• Recoil Starter Screen
• Control Lever
NOTE
See equipment manufacturer's instructions,(if present) for
proper location of fuel ill/cap and controlleveK
Removing snow will ease operation of the recoil starter
rope and reduce the risk of water contaminationwhen
opening fuel fill cap. See Figure 21.
NOTE
For more information about recoil starters see "B. Engines
with Recoil Starters" instructions on page 8.
2
3
-1
1..030 in. (0.76 mm) Gap
2. Electrodes
3. Porcelain
Figure 20. Resistor Spark Plug
Figure 21. Recoil Starter Debris Areas
Page 12 Two-Cycle Engine • HorizontaL/Vertical Crankshaft • Air-Cooled 181-807-14