Sears 917.257720 owner manual 18 HP 44 TRACTOR = MODEL NUMBER 9, Repair Parts, KEY PARTDESCRiPTiON

Models: 917.257720

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18 HP 44" TRACTOR = MODEL NUMBER 9! 7.257720

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

Page 51
Image 51
Sears 917.257720 18 HP 44 TRACTOR = MODEL NUMBER 9, Repair Parts, KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBER