Air Cleaner; Spark Plug - Briggs & Stratton 54000 Series Operating & Maintenance Manual

Air Cleaner

Clean cartridge every 100 hours. To clean cartridge,
gently tap on end with handle of screwdriver. Replace
cartridge every 400 hours. Clean and replace more
often under dusty conditions.
1. Unlock and remove cover..
2. Remove air cleaner cartridge from body and
inspect. Replace if very dirty or any damage
occurs to cartridge.
3. Carefully clean out cover and around body. Do
not allow debris to enter engine.
4. Install cleaned or new cartridge in body.
5. Install cover and lock with clamps.
Air cleaner cartridge
Cover
Rubber Valve

Spark Plug

Check the spark plug every 100 hours. Replace the
spark plug if upon inspection the electrode
or worn. Ensure the spark plug is clean. Check the gap
Ë Ì
with a wire gauge and reset to .76 mm or 0.030
in. if necessary. Use only Briggs & Stratton Spark Tester
(part number 19368) to check for spark.
Ë
Ê Ì
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.
10
Air cleaner body
Safety Filter Cartridge
Ê
is burned
CAUTION
Do not use pressurized air or solvents to clean
foam. Pressurized air can damage foam; solvents
will dissolve foam.
Safety Filter Installation
Several models with the cyclonic air cleaner are also
equipped with a safety filter. Replace safety filter
cartridge every 600 hours, or with every other air filter
cartridge replacement. To replace:
1. Pull carefully to remove from air cleaner body,
ensure no debris enters engine.
2. Install new safety cartridge first, then install air
filter cartridge over safety filter.
WARNING
Ensure air cleaner and cover are properly
installed before starting engine.
Fuel Filter
WARNING
• Drain fuel tank or close fuel shut-off
valve before replacing fuel filter.
Otherwise, fuel can leak out creating a
fire/explosion hazard.
When replacing fuel filter, ensure clamps are tight and
fuel flows in the same direction as the arrow marked
FLOW.
Muffler/Fuel System
WARNING
• Replacement parts for muffler and fuel system
(cap, hoses, tanks, filters, etc.) must be the
same and installed in the same position as
original parts, otherwise fire can occur.