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15
Air Cleaner
All engines have an air cleaner cartridge. The cartridge
is either flat or oval (see illustrations). In addition, some
engines have a pre-cleaner.
CAUTION
Do not use pressurized air or solvents to clean
cartridge. Pressurized air can damage cartridge;
solvents will dissolve cartridge.
Pre-cleaner
To clean pre-cleaner (if equipped), separate it from
cartridge and wash in liquid detergent and water. Air dry
thoroughly. Do not oil. Re-assemble dry pre-cleaner on
clean cartridge.
Flat Air Cleaner
1. Loosen screw and tilt cover down.
2. Remove air filter.
3. Install new filter with the lip of pre-cleaner
Ê, if
equipped, at bottom of cartridge pleats.
Ë
4. Insert cover’s tabs into slots in bottom of base.
5. Tilt cover up into place and tighten screw.
Ë
Ê
Oval Air Cleaner
1. Loosen two screws Ê and lift off cover.
2. Remove air cleaner cartridge
Ë and pre-cleaner
Ì if equipped, carefully from base to ensure no
debris falls into engine.
3. Place new pre-cleaner on cartridge and re-install
new cartridge assembly securely into base.
4. Place cover over air cleaner and tighten screws.
Ì
Ë
Ê
Spark Plug
Check the spark plug every 100 hours. Replace the
spark plug if upon inspection the electrodes
Ê are
burned or worn. Ensure the spark plug is clean. Check
the gap
Ë with a feeler gage Ì and reset to .51 mm or
0.20 in. if necessary. Use only Briggs & Stratton Spark
Tester (part number 19368) to check for spark.
Note: In some areas, local law requires using resistor
spark plug to suppress ignition signals. If this
engine was originally equipped with resistor
spark plug, use same type for replacement.
Ê
Ì
Ë