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 facilitate adequate cooling, correct engine speed and reduce the risk of fire. See Figure 23.

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 24.

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.

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 Tecumseh Servicing Dealer for a Tecumseh 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 23. Debris Removal Areas

2

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1. .030 in. (0.76 mm) Gap

2.Electrodes

3.Porcelain

Figure 24. Resistor Spark Plug

181-1032-14

Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled

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Tecumseh OH195XP Removing Debris from Engine, Spark Plug, Cleaning/Replacing Air Cleaner, Servicing Foam Pre-Filters