Sears 917.257720 18 HP 44 Tractor = Model Number 9, Crankcase, Carburetor KEY Part NO. no

Page 51

REPAIR PARTS

18 HP 44" TRACTOR = MODEL NUMBER 9! 7.257720

KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBER 58560

CRANKCASE

KEY PARTDESCRiPTiON

NO. NO.

1 X-82-2 Nut, Hex 5/16-18 (12)

252 468 12 Washer, Flat 5/16 (12)

382 755 16 Kit, #1 Cylinder Barrel

 

 

 

 

 

(Includes Key Numbers 4 thru 6)

4

52

 

016

05

Valve,

Exhaust

 

 

 

5

52

 

031

01

Insert,

Valve

Seat (2)

 

6

52

 

316

06

Guide,

Valve

(2)

 

 

7

52

 

755

50

Kit, Oil

Relief

 

 

 

 

8

52

 

072

12

Step

Stud

5/16-18

x 3/4,

9

25

 

086

12

3/8-16

x 5/8, 2" Long (12)

 

Screw,

Hex Flange

5/16-18 x 2 (2)

10

X-269-43

Ring,

Retaining

 

 

 

11

52

 

078

05

Shaft,

Governor

 

 

 

12

52

 

030

10

Bearing,

Sleeve,

Standard (2)

 

52

 

030

11

Bearing,

Sleeve

.010"

(2)

 

52

 

030

12

Bearing,

Sleeve

.020"

(2)

13

25

 

086

10

Screw,

Hex Flange

 

 

14

25

 

086

13

5/16-18

x 1-1/2

(3)

 

 

 

Screw,

Hex Flange

 

 

!5

52

 

141

02

3/8-16 x 3-5/8 (2)

 

 

 

O-Ring

 

 

 

 

 

 

 

16

52

139 08

Plug

 

 

 

 

 

 

 

 

17

25

 

086

11

Screw,

Hex Flange

 

 

18

52

 

032

10

5/16-18

x 3-1/2

(8)

 

 

 

Seal, Oil,

 

Front

 

 

 

19

82

 

755

17

Kit. #2 Cylinder

Barrel

 

 

 

 

 

 

(Includes Key Numbers 4 thru 6)

0

 

-

= -

 

Crankcase

(Service

with Short

Block, Part Number 82 522 30)

CARBURETOR

KEY PART

NO. NO,

152 041 09

2 52 755 91

352 164 15

4X-21=1

5X-6-29

6X-75-23

7235778

8X-67-97

941 072 19

10 52 063 40

11 25 155 02

12 52 853 25

13271030

1452 053 54

1525 041 06

16X-77-2

17232867

18X-67-62

1925 086 27

2025 146 03

2152 144 24

2225 368 01

23 25 089 02

24 25 086 26

25 25 089 04

26 25 368 03

27 25 089 02

28 52 090 13

29 25 089 03

3025 194 01

31 25 146 02

32 25 041 04

33 25 757 09

34 25 104 01

3525 041 03

3625 100 05

NOT ILLUSTRATED

-- 25 757 11

-- 25 757 23

DESCRIPTION

Gasket, Intake (2) Kit, Manifold

(includes Key Numbers 3 thru 8) Manifold, intake

Washer, Lock 5/16 (4)

Screw, Hex Cap 5/16-18 x 2 (4) Plug, Hex, Countersunk

1/8 N.P.T.F. Clamp, Cable (2)

Screw, Hex Washer Head #10-24 x 3/8 (2)

Stud 5/16-18 x 1 (2) Baffle, Carburetor Connector, Hose

Kit, Carburetor with Gasket (Includes Key Numbers 12 thru 14) Gasket, Carburetor (2)

Carburetor Assembly (information Only - Not Available Separately) (includes Key Numbers 18 thru 35) Gasket, Air Cleaner

Nut 5/16 (2)

Strap, Lifting

Screw, Hex Washer Head 1/4-20 x 3/4

Screw, Throttle and Choke Plate (4) Plate, Choke

Shaft, Throttle with Lever and Sea Needle, Idle Fuel Adjust

Spring, Idle, Fuel

Screw, Idle Speed Adjust Spring, Idle Speed Needle, Main Fuel Spring, Main Fuel Lever, Choke

Spring, Choke, Friction Ball, Choke, Friction Plate, Throttle Gasket, Bowl

Kit, Float

Bowl, Fue!

Gasket, Bowl Retainer Screw Screw, Bowl Retainer

Kit, Carburetor Repair

Kit, Bowl Baffle

NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm

51

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Contents Number 917.257720 Ownersmanual IL Slope Operation Safety is InvolvedLimited 90 DAY Warranty on Battery Maintenance AgreementProduct Specifications LmMREDTWO Year Warranty on Electric Start Riding EquipmentRepair Maintenance ScheduleEngine Maintenance Essories and Attac EntsPerformance Pack Contents ,OFUnpack Carton Tools Required for AssemblyTo Remove Tractor from Carton Before Rolling Tractor OFF SkidCheck Brake System HOW to SET UP Your TractorAssem LY Check Tire PressureBelts Install Mower and Drive BeltCheck Deck Levelness Check for Proper POSiTiON of ALLInstall Battery See Figs, 5 AssemblyKnow Your Tractor ErationHOW to USE Your Tractor OperatiTo Move Forward and Backward OP RAT Before Starting the EngineTo Operate on Hills Starting Mowing TipsADD Gasoune To Start Engine See FigGeneral Recommendations Lubrication ChartMaintenance Schedule Fill in Dates AS YOU Complete Regular Service Service DatesCustome Respo Lities ENGmNE Battery See FigTo Clean Battery and Terminals CustoCleaning CustomePonsi Ilities To Remove Mower See Fig Service Adju NTSTo iNSTALL Mower TractorTo Replace Mower DRIVE. Belt Service and AOJ StmentsTo Adjust Attachment Clutch See Fig SE CETo Replace Mower Blade Drive Belt To Replace Motion DRmVE Belt See Fig Service and AdjustmentsTo Adjust Steering Wheel Alignment Front Wheel TOE-IN AdjustmentCovE \ SE CE AN a UstmentsCE and Adjustments To Adjust Attachment LiFT Spiring See FigTo Remove Hood and Grill Assembly Engine Service aTo Adjust Throttle Control Cable See To Adjust Carburetor See FigOther StorageSE ICE Otes Problem CauseCorrection Problem Trou Lesh OTI PointsCause Correction Clips Schematic18 HP 44 Tractor = Model Number WH,TEhi @KEY 18 HP 44 Tractor - Model NumberPart DescriptionElectrical 18 HP 44 Tractor Model NumberPart 18 HP 44 Tractor --MODEL Number 917,257720Chassis and Enclosures Chassis and Enclosures KEY PartDescraption Ground Drive DESCRiPTiON Steering Assembly NO. no KEY PartModel Number ENGIN,EKEY Part NO. no 18 HP 44 Tractor Model Number 917,257720 Seat AssemblyNO. no Description 18 HPTractor .. Model Number 20 1918Mower Deck KEY Part NO. no HP 44 Tractor .- Model Number 9! 7,2577208887 TransaxleTransaxle Kohler Engine Model Number MV18S, Type Number Baffles and Shroud Breather and Vent KEY Part Description 18 HP 44 TractorKohler Engine = Model Number MV18S Type Number18 HP 44 Tractor Model Number 917,257720 Carburetor KEY Part NO. no 18 HP 44 Tractor = Model Number 9Kohler Engine = Model Number MV18S, Type Number Crankcase18 HP 44 Tractor o Model Number Cylinder Head 18HP 44 Tractor .. Model NumberKohler Engine o Model Number MV18S, Type Number 18 HP 44 TRACTOR- Model ,NUMBER 917o257720Kohler Engine Model Number MVlSS, Type Number Flywheel KEY Partdescription NO. noGovernor Fuel Pump KEY Partdescription NO. no Camshaft and Valves Camshaft & Valves LOW OIL Pressure SwitchKohler Engine Model Number MV18S Type Number Piston & RODRViCE OTE Not Across HiLL Only Ride UP and Down HillPart Description When Ordering Repair PARTS, Always GiveRepair PRODUCT- Tractor ,MODEL Number
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