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Craftsman 247.288890 Manual Del Operador página 20

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Idiomas disponibles

Air Cleaner
NOTE: Operating engine with loose or damaged air cleaner components could cause
premature wear and failure. Replace all bent or damaged components.
NOTE: Paper element cannot be blown out with compressed air.
Loosen knobs and remove air cleaner cover, see Figure 15.
Precleaner (if equipped):
1.
Remove precleaner.
2.
Replace or wash precleaner in warm water with detergent. Rinse and allow
to air dry.
3.
Saturate precleaner with new engine oil; squeeze out excess oil.
4.
Reinstall precleaner into cover, aligning hole in precleaner with upper cover
knob.
Paper Element:
1.
Remove element from base; replace element.
2.
Install element with pleated side out and seat rubber seal onto edges of
base.
3.
Reinstall air cleaner cover and secure with knobs.
Spark Plug
1.
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
SERVICE AND MAINTENANCE
Figure 15
2.
Remove and inspect the spark plug. Check gap to make sure it is set at .030".
See Figure 16.
Electrode
.030 (.76 mm) gap
3.
Replace the spark plug (Champion® RC12YC) once a season.
Muffler
Temperature of muffler and nearby engine areas may exceed 150˚ F (65˚C).
Avoid contact with these areas.
Inspect muffler periodically, and replace if necessary. Replacement parts
for the muffler must be the same and installed in the 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 overheating and
ignition of accumulated debris.
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.
Lubrication
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
Lubricate all the pivot points on the drive system, parking brake and lift linkage at
least once a season with light oil.
Rear Wheels
The rear wheels should be removed from the axles once a season. Lubricate the
axles and the rims well with an all-purpose grease before re-installing them.
20
Porcelain
Figure 16
WARNING
CAUTION
WARNING

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