Craftsman 770-5875B, 247.796890 To Service Air Cleaner, Clean Out Chaff, Dirt, Feeler Guage

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 performance

Never run your engine without air cleaner completely assembled-

To Service Air Cleaner:

Clean and re-oil foam pro-cleaner at three month intervals or every 25 hours, whichever occurs first:

See figure I7 Service more often under dusty conditions

1, Remove knob and coven

2, Remove foam pre-cleaner by sliding it off the paper cartridge.

ao Wash foam pre-cleaner in liquid detergent and water_

bWrap foam pre-cleaner in cloth and squeeze dry.

cSaturate foam pre-cleaner in clean engine oil, Sqeeze to remove excess oil

3.Install faom pre-cleaner over paper cartridge° Reassemble cover and screw down tight,

Replace and clean cartridge included with dual element air cleaner yearly or every 100 hours, Service more often if necessary.

Clean cartridge by tapping gently on a flat surface If very dirty, replace cartridge or clean as fotlows:

aWash in a tow or non-sudsing detergent and warm water solution CAUTION: Do not use

petroleum solvents such as kerosene, to clean cartridge

b. Rinse thoroughly with flowing water from inside out until water is clear.

cAHow cartridge to stand and air dry thoroughly before using DO NOT OIL CARTRIDGE, DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE

4_ Install cartridge and pre-cleaner then the cover, Screw knob down securely,

(_Tj-._----_ Knob

"._' Cover j

. i,("¢<1&_£._¢Cart,ridge. --

FIGURE !7_

MUFFLER

Do not operate the chipper-shredder without a muffler or tamper with the exhaust system Damaged mufflers or spark attesters could create a fire hazard inspect periodicalty, 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

CLEAN ENGINE

Clean engine perlodicailyl Remove dirt and debris with

a cloth or brush Cleaning with a forceful spray of water is not recommended as water could contaminate the

fuel system,

Yearly or every 50 hours, whichever occurs first, remove the blower housing and clean the areas shown in figure

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

Periodically clean muffler area to remove

all grass, dirt and combustible debris,

Clean Out

Chaff and

Dirt

FIGURE 18

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 Spark plug replacement is recommended at the start of each season, Refer to engine parts list for correct spark plug type

NOTE: Do not blast clean spark plug Spark plug should be cleaned by scraping or wire brushing and washing

with a commercial solvent

,030 Feeler Guage

Spark Plug

FIGURE !9,

10