AIR Cleaner, Dirt and Combustible Debris, Muffler

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 and per- formanceo

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 100 hours of use, or at least once a season_ Service pre- cleaner and cartridge more often under dusty condi- tions.

e Loosen screw and remove cover,.

e To service pre-cleaner, wash in liquid detergent and water° Squeeze dry in a clean cloth. Saturate in engine oil Squeeze in a clean, absorbent cloth to remove all excess oilo If pre-cleaner is very dirty,

replace it.

e To service cartridge, clean by tapping gently on a f!at surface. If very dirty, replace _ Do net 0!l car-

tridgeo

NOTE: Do not use petroleum solvents (eg kerosene) or pressurized air to clean cartridge_ They will cause cartridge to deteriorate

• Reinstall cartridge and pre-cleaner_

eReplace cover, and tighten screws securely.

Scre__Screw

__-_',--Cover

_. :--.._--..-_ =J Pre-Cleaner

_j"g

FIGURE 15.

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 16 to avoid overspeeding, overheating and engine damage.. Clean more often if necessary.

WARNING: PERIODICALLY CLEAN MUF- FLER AREA TO REMOVE ALL GRASS,

DIRT AND COMBUSTIBLE DEBRIS.

CLEANING

e The chipper-shredder may be cleaned by running water from a hose through the hopper assembly and chipper chute with the engine running. Allow the chipper-shredder to dry thoroughly.

e Wash the bag periodically with water. Al!ow to dry thoroughly in the shade,. Do not use heat,.

FIGURE 16.

SPARK PLUG

The spark plug should be cleaned and the gap reset to B30" at least once a season or every 50 hours of operation° See figure 17.. 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 17.

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_

79785, 247.797855 specifications

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