Crew Base, Chaff and Dirt, Feeler Gauge

When engine is drained of all oil, replace drain plug securely_

eRefill with fresh oil Above 32°, use oil labeled SAE 30 or 10W30 Below 32 °, use oil labeled 5W20 Capacity is approximately 1-1/4 pints Refer to "Gas and Oil Fill-Up" on page 8

eReplace dipstick.

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- formance

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

To Service Air Cleaner:

Clean cartridge at three month intervals or every 25 hours, whichever occurs first, See figure 15 Service more often under dusty conditions.

e Loosen screws and tilt cover as illustrated e Carefully remove pre-cleaner and cartridge

eClean cartridge by tapping gently on a flat surface If very dirty, replace cartridge and pre-cleaner or clean as follows:

Wash in a low or non-sudsing detergent and warm water solution CAUTION: Do not use petroleum solvents such as kerosene to clean cartridge

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

Allow cartridge to stand and air dry thoroughly

before using DO NOT OIL CARTRIDGE OR PRE-

CLEANER DO NOT USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE,

e Install cartridge and pre-cleaner Then close cover and fasten screws securely

;crew

Base

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

MUFFLER AREA TO REMOVE ALL

GRASS, DIRT AND COMBUSTIBLE

DEBR S.

Clean Out

Chaff and Dirt

FIGURE 16.

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 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

CLEANING

®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

®Wash the bag periodically with water Allow to dry thoroughly in the shade Do not use heat