4.After oil has drainedcompletely,close the drainvalveturning clockwise.Use the 7/16"(11mm)wrench to apply

a small amountof torqueto keep it closed.Do not over tighten.

5.Removethe draintube and store in a

safeplace.

6.Refillenginewith oil throughoil fill dip- sticktube. Pourslowly. Do notoverfill. For approximatecapacitysee "PROD- UCTSPECIFICATIONS"sectionof this manual.

7.Use gauge on oil fill cap/dipstickfor checkinglevel. Foraccurate reading, tightendipstickcap securelyonto the tube before removingdipstick. Keepoil at "FULl" lineon dipstick.Tightencap onto the tube securelywhen finished.

ENGINEOIL FILTER

Replacethe engineoil filter every season or everyother oil change if the tractor is used morethan 100hours in one year.

AIR FILTER

Yourenginewill not run properlyusinga dirty air filter. Clean the foampre-cleaner after every25 hours of operationor every season. Service papercartridgeevery

100 hoursof operationor every season, whicheveroccurs first.

Serviceair cleaner more oftenunderdusty conditions.

1. Removecover.

TO SERVICEPRE-CLEANER

2.Washit in liquiddetergentandwater.

3.Squeezeit dry in a clean cloth.

4.Saturateit in engineoil. Wrapit in clean,absorbentcloth and squeezeto removeexcessoil.

NOTE:If very dirty or damaged, replace pre-cleaner.

TO SERVICECARTRIDGE

1.Clean cartridgebytapping gently on flat surface. If very dirty or damaged, replacecartridge.

2.Reinstallprecleanercartridge,cover and secure.

IMPORTANT: Petroleumsolvents,such as kerosene,are notto be usedto clean

the cartridge. Theymaycause deterio- rationof the cartridge. Do not oil cartridge. Do notuse pressurizedair to clean or dry cartridge.

Cartridge

Cover

Foam

CLEAN AIR SCREEN

Air screen must be kept free of dirt and chaff to prevent engine damage from

overheating. Clean with a wire brush or compressed air to remove dirt and stub- born dried gum fibers.

CLEAN AIR INTAKE/COOLING AREAS

To insure proper cooling, make sure the grass screen, cooling fins, and other exter-

nal surfaces of the engine are kept clean at all times.

Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled.

NOTE: Operating the enginewith a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed will cause engine damage due to overheating.

MUFFLER

Inspect and replace corroded muffler and spark arrester (if equipped) as it could cre- ate a fire hazard and/or damage.

SPARK PLUG(S)

Replace spark plug(s) at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first.

Spark plug type and gap setting are shown

in "PRODUCT SPECIFICATIONS" section of this manual.

IN-LINE FUEL FILTER

The fuel filter should be replaced once each season. If fuel filter becomes

clogged, obstructing fuel flow to carburetor, replacement is required.

1.With engine cool, remove filter and plug fuel line sections.

2.Place new fuel filter in position in fuel line with arrow pointing towards carbu- retor.

3.Be sure there are no fuel line leaks and

clamps are properly positioned.

4.Immediately wipe up any spilled gaso- line.

Clamp___Clamp

Fuel Filter _L___----_-__

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Craftsman 917.27621 manual Clean AIR Screen, Clean AIR INTAKE/COOLING Areas, Muffler, Spark Plugs, IN-LINE Fuel Filter