another free manual from www.searstractormanuals.com

 

 

 

repair parts

 

 

 

 

55/16 TRACTOR--MODEL NUMBER 917.25752

ONAN ENGINE MODEL NUMBER BF-M52666C

 

Cylinder Block Group

 

 

 

REF. NO.

PART NO.

PART DESCRIPTION

1

11 0-1943

Cylinder Block Assembly

2

123-1174

Spring

3

123-1175

Valve

 

4

123-1173

Boffle

5

526-0018

Flat Washer (~" Steel)

6

526-0063

Flat Washer (~" Copper)

7

526-0122

Flat Washer (5/16" Steel)

8

11 0-1878

Cover

(L.H.)

9

110-1879

Cover

(R.H.)

10

110-1921

Gasket

11

517-0048

*Expansion Plug

12

520-0424

Stud (5/16" x 2-5;16")

13

520-0759

Stud (5116" x 2- 1/16")

14

520-0757

Stud (~" x 2-1/16")

15

104-0776

*Shim

(.005")

16

110-1920

Gasket

17

110-1924

Cylinder Head (R.H.)

18

110-1925

Cylinder Head (L.H.)

19

800-0051

*Hex Cap Screw (3;$-16 x 1~")

20

123-1176

Breather Tube

21

REAR BEARING KIT

 

 

 

101-0420

*Standard

22

101-0420-02

.002"

Undersize

104-0575

*Bearing Thrust Washer

23

101-0415

*Gasket

24

101-0407

*Bearing Plate (Less Bearing)

25

101-0367

*Camshaft Bearing (Precision)

26

509-0041

*Oil Seal

27

516-0072

*Stop Pin

28

110-0445

Hex Nut (5116-24)

29

866-0001

Acorn Nut (~-20)

30

110-0893

Retainer

31

115-0006

Tappet

32

850-0050

*Lock Washer (3;$")

33

120-0706

*Oi I Tube

34

110-1808

Intake Valve

35

110-1809

Exhaust Valve

36

EXHAUST VALVE SEAT INSERT

 

110-0245

Standard

 

11 0-0245-02

.002"

Overs i ze

37

INTAKE VALVE SEAT INSERT

 

110-0197

*Standard

 

110-0197-02

.002"

Oversize

38

11 0-1935

*Va Ive Guide

39

110-0539

Va Ive

Spring

40

110-0639

Retaining Lock

41

FRONT BEARING KIT

 

 

 

101-0432

*Standard

 

101-0432-02

.002"

Unders i ze

42

806-0027

Hex Head Cap'Screw (3;$-16 x %")

43

526-0066

Flat Washer (3;$" Copper)

44

110-0068

Gasket (Used with Intake Valve Guide Only)

45

520-0820

Stud (3;$-16)

*-Included in Cylinder Block Assembly.

-Use one only with rear bearing on units with flange type front bearing.

4824R-15.2.74- 28 -