Cub Cadet 53AB5BBP750 User Manual

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Hydrostatic Zero-Turn

Riding Mower

MODEL 23HP 53AB5BBP750 50" Stamped Deck

ILLUSTRATED PARTS LIST

This Page Left Blank Intentionally

2

TABLE OF CONTENTS

50" Formed Cutter Deck . . . . . . . . . . . . . . . . . . . . . . . 4 and 5

Hydro Pump Assembly . . . . . . . . . . . . . . . . . . . . . . . . 6 and 7

Brake Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 and 9

Fuel Tank Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Rear Bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Front Caster Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Wheel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Control Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 14 and 15

Drive Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Seat Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

23 HP Kohler Engine Assembly . . . . . . . . . . . . . . . 18 and 19

23 HP Electrical Engine Assembly . . . . . . . . . . . . . . . . . . . 20

Floor Panel Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Lift Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 and 23

Assembly Pump Right Hand. . . . . . . . . . . . . . . . . . . . . . . . 24

Assembly Pump Left Hand . . . . . . . . . . . . . . . . . . . . . . . . . 25

Frame Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3

Cub Cadet 53AB5BBP750 User Manual

50" Formed Cutter Deck - Figure 1

37

48

55

 

 

33

 

46

 

 

 

62

 

29

50

28

11

58

6

 

64

 

19

10

19

 

32

 

30

44

 

 

 

 

57

25

 

54

2

 

20

43

6

 

 

14

 

69

 

70

 

62

 

23

5

51

37

 

 

3

 

18

47

 

 

59

 

31

 

 

53

 

34

 

 

24

 

 

 

38

33

21

13

 

 

 

 

62

 

 

1

19

63 16

40

6 7

8

6

12

9

59

61

36

27 22

6

15

35

14

17

4

 

 

65

 

6

49

67

68

 

39

 

56

 

66

12

6

60

 

17

12

41

52

26

42

45

GD: 02000420-12/14/04

4

50" Formed Cutter Deck - Parts List for Figure 1

Ref.

 

 

 

Ref.

 

 

 

No.

Part No.

Description

Qty.

No.

Part No.

Description

Qty.

1

00003107

Cotter Pin, .125 Dia x 1.0

2

36

01008593

Idler Arm Assembly

1

2

00008495

Capscrew, 3/8-16 x 1-3/4

1

37

01008620

Self Tapping Screw 5/16-18 x .750

6

3

00012226

Grease Fitting, 1/4-28, 90°

1

38

00012428

Hex Nut, 1/2-13, Insert Lock

4

4

00012470

Cable Tie, 3/16 x .05 x 7.4

1

39

01009102

Hinge Pin, .375 x 14.06

1

5

00013406

Hex Cap Screw, 5/16-18 x 3/4

1

40

01009253

Flat Washer, .390 x 1.5 x .134

1

6

00022560

Hex Nut Flange lock, 3/8-16

12

41

01009705

Chute Deflector

1

7

00027279

Nut 7/16-14, Nylock

1

42

01010168

Hi-Lift Blade, 17.9

3

8

00034167

Hex Cap Screw, 3/8-16 x 5.00

1

43

01010173

Spacer, .39 ID x .875 OD x 1.00

1

9

01005011

V-Belt, B-Section

1

44

02000407

Deck Assembly 50"

1

10

00060078

Grease Fitting, 1/4-28 x 3/16

1

45

02000402

Flange Hex Nut, 3/4-16

3

11

01009635

Extension Spring, 1.0 OD x 5.00

1

46

02000417

Spring Tension Rod Assembly

1

12

01000372

Carriage Bolt, 3/8-16 x .75 Lg

5

47

02000481

Hex Cap Screw, 3/4-16 x 8.00

1

13

01000375

Roller Pin, 1/2 Dia x 7.31 Lg

1

48

02000626

Left Hand Belt Cover

1

14

01000385

Front and Rear Roller

3

49

02000667

Right Hand Belt Cover

1

15

01000387

Torsion Idler Spring

1

50

618-3129B

Blade Spindle Assembly

3

16

01000393

Flat Washer, .469 ID x .875 OD x .105

1

51

01004109

Tension Rod Stop Bracket

1

17

01000628

Screw, TT, 1/4-20 x .5, Hex Index Washer

7

52

703-3511

Finger Guard

1

18

01000635

Hex Flange Lock Nut, 5/16-18

1

53

710-1852

Spindle Bolt 3/4-16 x 5.37

2

19

01000723

Flat Washer, .406 ID x 1.0 OD x .105

3

54

712-0641

Hex Nut, M16-1.5

2

20

01001169

Short Roller

2

55

721-04041

Adaptor, Water Nozzle

1

21

01001745

Pin, 5/8 Dia x 1.2 Lg

4

56

703-1890

Deck Wheel, 5.00 Dia.

2

22

01002010

Carraige Screw, 3/8-16 x 1.25

1

57

736-0760

Lock Washer, 17 x 23.8 x 1.9

2

23

01002564

Spacer, .76 ID x 2.00 OD x .477

3

58

737-04003B

Nozzle, Deck Water

2

24

01003123

Spacer, .812 ID x .218 Lg.

2

59

737-3000

Grease Fitting

3

25

01003245

Spacer, .39 ID x .625 OD x 2.75

1

60

738-3056

Shoulder Screw .498 x 1.53

2

26

01003253

Torsion Spring

1

61

738-3172

Shoulder Screw .68 x 2.11

1

27

01004081

Flat Pulley with Flanges

1

62

748-3065

Spindle Spacer

6

28

01004101

Idler Pulley, 4.06 OD with Deep Flange

1

63

750-3119

Spacer .406 ID x 1.00 OD x 0.38

1

29

01004118

Shoulder Screw, .50 x .27 Lg; 3/8-16

1

64

02000653

V-Belt, 1/2 x 91 LG

1

30

01004751

Roller Pin Rod

1

65

02000668

Skirt, Center, 50"

1

31

01005201

V-Pulley, 4.75 OD

1

66

02000669

Skirt, Right Hand, 50"

1

32

01006181

Idler Arm Assembly, Flat Top Bearing

1

67

783-04470

Chute Mounting Bracket

1

33

01006535

Pulley, A Sect x 4.90

3

68

777S30145

Decal, Danger Hands & Feet

1

34

01006680

Spacer, .760 ID x 1.75 OD x 1.969

1

69

02000813

Spindle Plate

3

35

01008456

Spacer .760 ID x 1.5 OD

1

70

02000762

Self Tapping Screw 5/16-18 x 1.00

12

5

Hydro Pump Assembly - Figure 2

 

1

 

5

 

3

 

10

 

6

 

7

17

8

 

19

18

15

9

8

4

16

14

11

13

12

GD: 01004266-03/29/01

6

Hydro Pump Assembly - Parts List for Figure 2

Ref.

 

 

 

No.

Part No.

Description

Qty.

1

00006144

Hex Cap Screw, 3/8-16, 1

4

2

00012529

Protective Hose Cover (not shown)

1

3

00013131

Hex Cap Screw, 1/4-20, .75

2

4

00017665

Filter Head 3/4 includes:

1

 

01004166

33 Micron Filter

 

5

00022560

Hex Nut Flange Lock, 3/8-16

8

6

00030261

Cap, Hydro Oil Tank

1

7

00031994

Decal Oil Only 20W50

1

8

01000372

Carriage Bolt, 3/8-16 x .75 LG.

4

9

01004516

Hydraulic Tank Assembly

1

10

01001650

Mounting Plate Oil Filter

1

11

01004192

Oil Pan Drain w/ Seal and Plug

1

12

01004267

Gearbox to Tank Hose Assembly

2

13

01004268

Tank to Filter Hose Assembly

1

14

01004269

Filter to Left Hand Pump Hose

1

 

 

Assembly

 

15

01004270

Filter to Right Hand Pump Hose

1

 

 

Assembly

 

16

01004272

Fitting, 45°

1

17

01006959

Fitting Tee, 3/4 x 1/2 x 1/2

1

18

01004702

Fitting Elbow, 1/2 x 1/2

1

19

01006353

Fitting, 3/8 NPT, 1/2 Flare

2

NOTE: Lubricant, SAE 20W50 Gallons, 3.25

7

Brake Assembly - Figure 3

 

 

 

 

 

25

 

 

3

21

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

16

 

 

 

 

 

 

 

 

12

 

 

 

 

30

14

 

 

 

 

 

19

 

9

 

 

 

 

 

29

 

 

 

 

 

 

15

 

 

26

 

 

 

 

 

 

 

 

 

23

 

 

 

 

18

 

11

 

7

22

24

20

 

 

10

 

 

 

 

 

 

 

 

4

 

 

 

6

 

17

 

 

 

5

 

 

 

27

1

 

 

 

 

 

 

 

 

 

2

8

28

GD: 01001609-04/21/03

8

Brake Assembly - Parts List for Figure 3

Ref.

 

 

 

No.

Part No.

Description

Qty.

1

00006131

Hex Nut, 3/8-16

4

2

00009678

Clevis Pin, 3/8 x 1, 1/8

2

3

00011888

HHCS, Standard, 3/8-16 x 3-1/2

1

4

00021955

Yoke, 3/8-16, Female

2

5

00021956

Hair Pin, 3/8"-1/2"

2

6

00012226

Grease Fitting, 1/4-28, 90°

1

7

01000100

Shoulder Nut

2

8

00022560

Nut, Flange Lock, 3/8-16

3

9

01000628

Screw, TT, 1/4-20 x .5, Hex Index

4

 

 

Washer

 

10

01000723

Flat Washer, .406 ID x 1.0 OD x .105

4

11

01000872

Flat Washer, .411 x 1.25 x .100

2

12

01002751

Spacer, .39 ID x .63 OD x 1.75

1

13

01002771

Hair Pin, INT .072 x 1.12 Lg.

4

14

01002772

Spacer, .375 x .50 x 1.02 Lg.

1

15

01002980

Mounting Shaft, Bellcrank

1

16

01003591

Holder Shaft, Park Brake

2

17

01003410

Rod Connector, 3/8 OD x 33

2

18

01003593

Brake Bracket

1

19

01008886

Rod Brake, Connect To Handle

1

20

01003417

Connecting Rod, 3/8 OD x 5.75

2

21

01003595

Weldment, Brake Handle

1

22

01003574

Brake Spring, Neutral

2

23

01003575

Brake Spring, Force

2

24

01003576

Brake Hose, Center

2

25

01003716

Grip, Park Brake

1

26

01003730

Weldment Hub, Brake Bearing

1

 

 

Includes:

 

 

01004265

Bearings

2

27

01002511

Jam Nut, 3/8-16

2

28

00012173

Lock Nut, Nylon Insert, 3/8-16

2

29

01006350

Shaft collar, .625 ID x 1" OD x .438 Lg

2

30

01008889

Park Brake Mounting Bracket

1

9

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