Craftsman 917.274953 manual To Adjust Choke Control, To Adjust Carburetor, Final Setting

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TO ADJUST CHOKE CONTROL

The choke control has been preset at the factory and adjustment should not be necessary, check adjustment as de- scribed below before loosening cable. If adjustment is necessary, proceed as follows:

1.With engine not running, move choke control (located on dash panel) to full choke position.

2.Remove air cleaner cover, filter and cartridge plate to expose carburetor choke (See "AIR FILTER" in the

Maintenance section of this manual).

3.Choke should be closed. If it is not,

loosen casing clamp screw and move choke cable until choke is completely closed. Tighten casing clamp screw securely.

4.Reassemble air cleaner.

Closed for Full

TO ADJUST CARBURETOR

The carburetor has been present at the factory and adjustment should not be necessary. However, minor adjustment may be required to compensate for differences in fuel, temperature, altitude or load. If the carburetor does need adjustment, proceed as follows:

In general, turning the adjusting needles in (clockwise) decreases the supply of fuel to the engine giving a leaner fuel/air mixture. Turning the adjusting needles out (countemlockwise) increases the supply

of fuel to the engine giving a richer fuel/ air mixture.

IMPORTANT: Damage to the needles and the s_ats in carburetor may result if screw is turned in too tight.

PRELIMINARY SE'I-rlNG -

1.Be sure you have a clean air filter, and the throttle control cable is adjusted properly (see "TO ADJUST

THRO'I-rLE CONTROL CABLE" in the

Service and Adjustments section of this manual).

2.With engine off tum idle fuel adjusting needle In (clockwise) closing it finger tight and then turn out (counterclock- wise) 1 turn.

FINAL SETTING -

1.Start engine and allow to warm for five minutes. Make final adjustments with engine running and shift/motion control lever in neutral (N) position.

NOTE: The high idle is set at the factory and cannot be adjusted.

2.Idle soeed setting - With throttle control lever in slow position, engine should idle at 1200 RPM. If engine idles too slow or fast, turn idle speed adjusting screw in or out until correct idle is attained.

3.Idle fuel needle setting - With throttle control lever in slow position, turn idle fuel adjusting needle in (clockwise) until engine speed decreases and then turn out (countemlockwise) approximately 3/4 turn to obtain the best low speed performance.

4.Recheck idle speed. Readjust if necessary.

ACCELERATION TEST-

5.Move throttle control lever from slow to

fast position. If engine hesitates or dies, turn idle fuel adjusting needle out (counterclockwise) 1/8 turn.

Repeat test and continue to adjust, if

necessary, until engine accelerates smoothly.

High speed stop is factory adjusted. Do not adjust-damage may result. IMPORTANT: Never tamper with the engine governor, which is factory set for proper engine speed. Overspeeding the engine above the factory high speed setting can be dangerous. If you think the engine-governed high speed needs adjusting, contact Sears or otherqualified servicecenter, which has proper equip- ment and experience to make any necessary adjustments.

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Contents SEARS, Roebuckand CO., Hoffman ESTATES, IL60179 U.S.A IcrrftsmrniLimited Warranty on Craftsman Riding Equipment Safety is Involved II. Slope OperationGeneral Operation IV. Service Do notIII. Children Page RC12YC Product SpecificationsRepair Agreement API-SF-SJCheck Battery To Remove Tractor fromUnpack Carton Knob Adjust SeatCheck Brake System Check Tire PressureCheck Mower Levelness Check for Proper Position of ALL BeltsKeep Area Clear Slope Hazards Knowyour Tractor Stopping Mower Blades HOW to USE Your Tractor to SET Parking BrakeTo Operate on Hills To Adjust Gauge WheelsTo Operate Mower To Stop Mower BladesADD Gasoline To TransportTowing Carts and Other Attach Ments Before Starting the Engine Check Engine OIL LevelMowing Tips Lubrication Chart General RecommendationsBefore Each USE Blade Care Brake OperationTires Operator Presence SystemEngine Muffler Spark PlugsIN-LINE Fuel Filter Tractor To Remove Mower To Install MowerTo Level Mower Housing SIDE-TO-SIDE AdjustmentBoth Front Plate Links Must be Equal in Length To Replacemowerdrivebelt Mowerdrivebeltremoval Mower Drive Belt InstallationTo Replace Mower Blade Drive Belt To Adjust BrakeTo Adjust TOE-IN To Replace Motion Drive BeltFront Wheel Camber To Start Engine with a Weak Replacing BatteryFront Wheel Rear WheelEngine To Replace Headlight BulbInterlocks and Relays To Replace FuseAcceleration Test To Adjust Choke ControlTo Adjust Carburetor Final SettingCylinders =TO Clean BAI-IERYANDTERMIEngine Fuel System Engine OILTroubleshooting Chart Cause CorrectionStart Engine Troubleshootingchart ProblemCause Correction ProblemcausePage TRACTOR-- Model Number SchematicElectrical Tractor - Model NumberKEY Part Description Tractor -- Model Number ElectricalTractor -- Model Number 917.274953 Chassisand Enclosures Tractor - Model Number 917.274953 Chassis and Enclosures Tractor - Model Number Ground Drive KEY Part Description NO. no Tractor - Model Number Ground DriveTractor - Model Number 917.274953 Steering Assembly Tractor -- Model Number 917.274953 Steering Assembly 40I Spark Arrester KIT Tractor -- Model NumberTractor -- Model Number 917.274953 Seatassembly Tractor --MODEL Number DecalsWHEELS&TIRES Lift Assembly Tractor -- Model Number Mower Deck Tractor - Model Number Mowerdeck Tractor -- Model Number Transaxle Description Part Transaxle KEY Part NO. noCylinder HEAD, Valve and Breather Crankcas HEADNALVF./BREATHER KEY Part Description Tractor -- Model Number14--1 AIR INTAKE/FILTRATION TractorKEY Part Description Not IllustratedStarting System J KEY Part NO. NO.DESCRIPTION Starting System KEY Part NO. NO.DESCRIPTIONCrankshaft J Exhaust Fuel System Not Illustrated KEY Part NO. no Exhaust KEY Part NO. NO.DESCRIPTIONPage Suggested Guide for Sighting Slopes for Safe Operation AuCanadapourserviceenfranab

917.274953 specifications

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