AIR CLEANER

The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and being forced into the

engine and is important to engine life _ nd per- formance.

Never run your engine without air cleaner com- pletely assembled.

To Service Air Cleaner:

Service pre-cleaner after every 25 hours of use, or at least once a season. Service cartridge every 130 hours of use, or at least once a season. Service pn;-cleaner and cartridge more often under dusty conditions.

Loosen air cleaner cover screws. Remo-e cover and air cleaner assembly from base. See fi jure 15.

Remove air cleaner assembly from inside cover and disassemble.

To service foam pre-cleaner: Remove pre.cleaner. Wash in liquid detergent and water. Squee_,e dry in a clean cloth. Saturate in engine oil. Squeeze in a clean, absorbent cloth to remove all excess oil. If pre-cleaner is very dirty, replace it.

To service cartridge: Clean by tapping gently on a flat surface. If very dirty, replace. Do not oil cartridge.

NOTE: Do not use petroleum solvents (e.g. k_;rosene) or pressurized air to clean cartridge. They wll cause cartridge to deteriorate.

Reassemble retainer on pre-cleaner and _:artridge

(screen side of pre-cleaner toward c_lrtridge pleats). Place assembly into cover.

Insert tabs on cover into slots in base and tighten cover screws securely.

Retainer

Cover

Base

Pre-Cleaner

 

Slot

 

 

Cartrid(

 

 

Screws

FIGURE 15.

FUEL FILTER

Your engine is equipped with a replaceable in, line fuel filter. Replace the fuel filter every season. See figure

16.Refer to engine parts list for correct repl_Lcement filter.

FIGURE 16.

CLEAN ENGINE

Clean engine periodically. Remove dirt and debris with a cloth or brush. Cleaning with a forceful spray of water is not recommended as water could contami- nate the fuel system.

Yearly or every 25 hours, whichever occurs first, remove the blower housing and clean the areas shown in figure 17 to avoid overspeeding, overheating and engine damage. Clean more often if necessary.

FLER AREA TO REMOVE ALL GRASS,

,_ WARNING: PERIODICALLY CLEAN MUF-

DIRT AND COMBUSTIBLE DEBRIS.

Clean Out

Chaff and

Dirt

FIGURE 17.

SPARK PLUG

The spark plug should be cleaned and the gap reset to .030" at least once a season or every 50 hours of operation. See figure 18. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type.

NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.

.030" Feeler Gauge

Spark Plug

FIGURE 18.

MUFFLER

Do not operate the chipper-shredder without a muffler or tamper with the exhaust system. Damaged mufflers or spark arresters could create a fire hazard. Inspect periodically, and replace if necessary. If your engine is equipped with a spark arrester screen assembly, remove every 50 hours for cleaning and inspection. Replace if damaged.

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Craftsman 247.795950 AIR Cleaner, Fuel Filter, Clean Engine, Fler Area to Remove ALL Grass Dirt and Combustible Debris

247.795950 specifications

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