Craftsman 917.27624 To Adjust Choke Control, To Adjust Carburetor, Preliminary Setting

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Idle Fuel Adjusting

Idle Speed

Needle (If Equip,ped )

Adjusting Screw

Throttle

Control

Cable

3hoke Control Cable

Stop

Screw

Clamp Screw

TO ADJUST CHOKE CONTROL

The choke control has been preset at the factory and adjustment should not be nec- essary, check adjustment as described be- low 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 Main- tenance 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

Choke

TO ADJUST CARBURETOR

The carburetor has been present at the factory and adjustment should not be nec- essary. 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 (counter- clockwise) increases the supply of fuel to the engine giving a richer fuel/air mixture.

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

PRELIMINARY SETTING -

1.Be sure you have a clean air filter, and the throttle control cable is adjusted properly (see "TO ADJUST THROTTLE CONTROL CABLE" in the Service and Adjustments section of this manual).

2.With engine off turn idle fuel adjust- ing needle in (clockwise) closing it finger tight and then turn out (counter- clockwise) 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 speed setting - With throttle control lever in slow position, engine should idle at 1750 RPM. If engine idles too

slow or fast, turn idle speed adjusting screw in or out until correct idle is at- tained.

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 (counterclockwise) approxi- mately 3/4 turn to obtain the best low speed performance.

4.Recheck idle speed. Readjust if neces- sary.

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 neces-

sary, 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 ad- justing, contact a Sears or other qualified service center, which has proper equip- ment and experience to make any neces- sary adjustments.

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Contents Crrftsmiin Limited Warranty on Craftsman Riding Equipment Limited Warranty on BatteryGeneral Operation Service III. ChildrenIV. Towing Safe Handling of GasolineGeneral Service Product Repair Protection AgreementsSteering Wheel To Remove Tractor from Carton To Drive Tractor OFF Skid See Operation section for location Connect Rear Pins Install Mower and Drive BeltAssemble Gauge Wheels to Mower Deck Attach Front PlateCheck Mower Levelness ChecklistCheck Brake System Automatic Models only Tractor Know Your TractorROS on HOW to USE Your Tractor To SET Parking BrakeStopping To Move Forward and BackwardTo Operate Mower Using the Reverse Operation SystemTo Stop Mower Blades To Operate on Hills To TransportTowing Carts and Other ATTACH- Ments Before Starting the Engine Check Engine OIL LevelTo Start Engine Automatic Transmission Warm UPTransport Purge TransmissionMowing Tips Before Each USE Lubrication ChartGeneral Recommendations Blade Removal To Sharpen BladeBattery EngineTransaxle Cooling BeltsClean AIR Screen CleaningEngine OIL Filter MufflerTo Install Mower To Level Mower HousingSIDE-TO-SIDE Adjustment To Remove MowerFRONT-TO-BACK Adjustment Mower Drive Belt InstallationBoth Front Plate Links Must be Equal in Length To Replace Mower Drive BeltTo Adjust Attachment Clutch To Check and Adjust BrakeTo Adjust Brake To Check BrakeTo Adjust Steering Wheel Align Ment To Replace Motion Drive BeltTo Start Engine with a Weak BAT To Remove Wheel for RepairsReplacing Battery To Adjust Choke Control To Adjust CarburetorPreliminary Setting Final SettingCylinders Engine OILOther Troubleshooting Chart StartROS Problem CauseCorrection Problem Cause Correction Not rotateSchematic Tractor --MODEL NumberTractor --MODEL Number Electrical Electrical KEY Part DescriptionTractor --MODEL Number Chassis and Enclosures 148 164655 Extrusion Bumpers 179716X428 Tractor --MODEL Number Ground Drive LH VGT Steering KEY Part NO. NO.DESCRIPTION Engine Spark Arrester KIT J Tractor --MODEL Number Seat Assembly KEY PartKEY Part NO. NO. DescriptionWheels and Tires DecalsLift Assembly Tractor --MODEL Number Mower Deck KEY Part NO. NO.DESCRIPTION Tractor --MODEL Number TRANSAXLE--MODEL Number Bushing .50X .60X Ylinder HEAD, Valve and Breatherj HEAD/VALVE/BREATHER DescriptionCrankcase KEY Part NO. no KEY Part NO. noIGNITION/ELECTRICALJ Blower Housing and Baffles Blower Housing KEY Part NO. no AIR INTAKE/FILTRATIONIGNITION/ELECTRICAL KEY Part Description Notillustrated 24-096-85-SStarting System J Engine Controls J OIL PAN / Lubrication Starting System DescriptionOIL PAN/LUBRICATION KEY Part Description Fuel Systemj Crankshaft Exhaust JFuel System Crankshaft KEY Part DescriptionPage Suggested Guide for Sighting Slopes for Safe Operation Only Ride UP and Down Hill Not Across Hill Degrees MAXIiiiiiiiiiiiiiiii

917.27624 specifications

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