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Awarning, Pivot points & linkage, Muffler – Craftsman 247.28902 User Manual

Page 22: Clean engine, A caution, Carburetor adjustment, Front axles, Battery, Service and maintenance

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SERVICE AND MAINTENANCE

Spark Plug

LUBRICATION

Clean area around the spark plug base. Do not sandblast spark
plug. Spark plug should be cleaned by scraping or wire brushing
and washing with a commercial solvent

Remove and inspect the spark plug. Check gap to make sure it is
set at .030”. See Figure 13.

Replace the spark plug (Champion® RC12YC) once a season .

A

warning

Before lubricating, repairing, or inspecting, always disengage PTO
(Blade Engage Lever), move shift lever into neutral position, set
parking brake, stop engine and remove key to prevent unintended
starting.

Pivot Points & Linkage

Muffler

same position as the original parts.

Clean Engine

Daily or before every use, clean grass, chaff or accumulated

debris from engine. Keep linkage, spring, and controls clean.

Keep area around and behind muffler free of any combustible

debris.

Keeping engine clean allows air movement around engine.

Engine parts should be kept clean to reduce the risk of overheat­
ing and ignition of accumulated debris.

A CAUTION

Do not use water to clean engine parts. Water could contaminate fuel

system. Use a brush or dry cloth.

Carburetor Adjustment

• The carburetor on this engine is not adjustable.

22

Front Axles

Each end of the tractor's front pivot bar may be equipped with a grease

fitting. Lubricate with a grease gun after every 25 hours of tractor
operation.

Battery

The battery is sealed and is maintenance-free. Acid levels cannot be
checked.

Always keep the battery cables and terminals clean and free of
corrosive build-up.

After cleaning the battery and terminals, apply a light coat of
petroleum jelly or grease to both terminals.

Always keep the rubber boot positioned over the positive terminal
to prevent shorting.

IMPORTANT: If removing the battery for any reason, disconnect the
NEGATIVE (Black) wire from its terminal first, followed by the POSI­

TIVE (Red) wire. When re-installing the battery, always connect the

POSITIVE (Red) wire to its terminal first, followed by the NEGATIVE
(Black) wire. Be certain that the wires are connected to the correct

terminals; reversing them could change the polarity and result in