Cub Cadet Yanmar Lx490 Part List Manual

Part List Manual

Lx Series Compact Tractor

Lx490

Cub Cadet Yanmar LLC

P.O. Box 361052

Cleveland, Ohio 44136-1052

PRINTED IN U.S.A. Form No. 769-06831

March 21, 2011

2

Notes

Lx490Lx Series

3

Engine Section Index

Fig. No. Group Name

1. Cylinder Block

2. Gear Housing

3. Flywheel Housing & Oil Sump

4. Cylinder Head & Bonnet

5. Suction Manifold

6. Exhaust Manifold & Muer

7. Camshaft & Driving Gear

8. Tur bi ne

9. Crankshaft & Piston

10. Balancer

11. Lub. Oil System

12 . Lub. Oil Line

13. Cooling Water System

14. Fuel Injection Pump

15. Governor

16. Fuel Injection Valve

17. Starting Motor

18. Generator

Lx490Lx Series

4

Fig 1. Cylinder Block

Lx490Lx Series

5

Fig 1. Cylinder Block

Lx490Lx Series

Ref.

1 CY-729508-01570 BLOCK ASSY, CYLINDER 1

4 C Y-129 00 1- 0125 0 PLUG, 50 1

5 CY-171051-01921 PLUG, NPTF1 1

6 CY-129150- 02020 BOLT, METAL CAP 10

9 C Y-129 795 - 02412 BUSH, CAMSHAFT A 1

10 CY-27243-300000 PLUG 30 8

11 CY-124 060 -01050 PLUG, PT1/8 1

12 C Y-12416 0- 01910 PLUG, PT1/4 2

13 CY-27241-120000 PLUG, 12 2

23 CY-129150-02931 METAL ASSY, THRUST 2

26 C Y-129 150 - 0120 0 BOLT, CYLINDER HEAD 18

27 C Y-12 950 8 -0 1330 GASKET, HEAD 1

28 C Y-1193 09 -0181 0 PLUG 1

29 CY-129001-02931 MAIN BEARING SET 5

32 CY-129150-02871 MAIN METAL US=0.25 5

35 CY-129150-02941 BEARING, THRUST.25OS 1

Part Number Description Qty

6

0CNP5-G38300

Fig 2. Gear Housing

Lx490Lx Series

7

Fig 2. Gear Housing

Lx490Lx Series

Ref.

1 CY-729008-01500 HOUSING ASSY, GEAR 1

3 CY-11993 4- 018 00 SEAL, OIL 1

4 C Y-129 00 8 -0 1520 FLANGE, GEAR CASE 1

5 CY-1198 02- 01561 STUD, M8X25 3

6 CY-124160-01751 COVER, FILLER 1

7 CY-124240- 01871 COVER, PUMP 1

8 CY-129 795 -019 50 PIPE, KNOCK 2

9 CY-1196 09 -320 40 O-RING P16 2

10 CY-12185 0- 5196 0 O-RING, F.I.PUMP 1

11 CY-2 2190- 0800 02 SEAL WASHER 8S 4

12 C Y-22190 -080 002 SEAL WASHER 8S 1

13 CY-24311-000320 O-RING 1A P-32.0 1

14 CY-26106- 080162 BOLT M 8X 16 PLATED 4

15 C Y-26106-08 0162 BOLT M 8X 16 PLATED 3

16 CY-2 6106 -0 80302 BOLT M 8X 30 PLATED 1

17 C Y-26106 -080552 BOLT M 8X 55 PLATED 10

18 CY-26106-080852 BOLT M 8X 85 PLATED 3

19 CY-26306-080002 NUT, M8 3

20 CY-124240-01871 COVER, PUMP 1

21 CY-124240- 01871 COVER, PUMP 1

22 CY-124240- 01883 GASKET, PUMP 2

23 CY-2 2190- 0800 02 SEAL WASHER 8S 1

24 C Y-26106 -08 0162 BOLT M 8X 16 PLATED 4

25 CY-26106 -0 80202 BOLT M 8X 20 PLATED 1

26 CY-26106-08 0302 BOLT M 8X 30 PLATED 3

27 C Y-121023 -01551 COVER, TACHOMETER 1

28 CY-24341-000240 O-RING 1A S-24.0 1

29 CY-26106 -0 60162 BOLT M 6X 16 PLATED 2

Part Number Description Qty

8

0CNP5-G38300

Fig 3. Flywheel Housing & Oil Sump

Lx490Lx Series

9

Fig 3. Flywheel Housing & Oil Sump

Lx490Lx Series

Ref.

1 CY-12910 0- 01580 PIN, PARALLEL 2

2 C Y-129 558 - 0162 0 HOUSING, FLYWHEEL 1

3 CY-19445 0-11190 PLUG 15 6

4 CY-2620 6-100252 BOLT M10X25 8

5 C Y-12 955 0 -0 1702 SUMP, LUB.OIL 1

6 CY-729429-01721 COVER ASSY, OIL SUMP 1

7 CY-105 425 -0169 0 PLUG, M16 1

9 CY-22190 -160 002 WASHER, 16 1

10 CY-129555- 01750 PIPE, KNOCK 1

11 CY-26106 -0 80122 BOLT M 8X 12 PLATED 20

12 C Y-26106 -08 0502 BOLT M 8X 50 PLATED 8

13 C Y-26106-0810 02 BOLT M 8X100 PLATED 14

14 CY-26106- 081202 BOLT M 8X120 PLATED 4

15 C Y-129100-01580 PIN, PARALLEL 2

16 CY-729402-01650 CASE ASSY, OIL SEAL 1

18 C Y-129 120 -0 178 0 SEAL, OIL 1

19 C Y-129 4 86 - 0167 0 BOLT, M8X30 9

Part Number Description Qty

10

0CNP5-G38300

AAA

Fig 4. Cylinder Head & Bonnet

Notes

Lx490Lx Series

11

Fig 4. Cylinder Head & Bonnet

Lx490Lx Series

Ref.

1 C Y-129 50 8-1124 1 SHAFT ASSY, ROCKER 1

2 C Y-129 50 8-112 50 SHAFT, ROCKER ARM 1

4 C Y-129 50 8-112 60 SUPPORT, ARM A 2

5 C Y-129 50 8-1127 0 SUPPORT, ARM B 3

6 C Y-129 50 8-112 80 WASH ER 8

7 CY-129 508 -11650 ARM KIT, ROCKER 4

8 C Y-129 150 -1123 0 SCREW, VALVE ADJUST 4

10 CY-12915 0-11750 NUT, M8 4

11 CY-129 508 -1166 0 ARM KIT, ROCKER 4

12 C Y-12 9150 -1123 0 SCREW, VALVE ADJUST 4

14 C Y-129150 -11750 NUT, M8 4

15 C Y-1295 08 -11920 PEDESTAL, RETAINER 4

16 CY-26226-080352 STUD M 8X 35 PLATED 3

17 C Y-123 907-1155 0 SEAT, VALVE BRIDGE 8

18 C Y-1295 09 -117 00 HEAD ASSY, CYLINDER 1

24 CY-23876-020000 PLUG PT1/4,SCREW 4

25 CY-27241-400000 PLUG 40 2

26 C Y -12 9 50 8 - 1110 0 VALVE, INTAKE 8

27 C Y -12 9 5 08 -1111 0 VALVE, EXHAUST 8

28 C Y- 12 9 50 8 - 1113 0 SPRING, VALVE 16

29 C Y- 12 9 50 8 - 1118 0 RETAINER, SPRING 16

30 C Y-119717-11190 COT TER 32

31 C Y-119717-113 40 SEAL, VALVE STEM 8

32 C Y-119717-11350 SEAL, VALVE STEM 8

33 C Y-129672-11510 BRIDGE ASSY, VALVE 8

35 C Y-12915 0-11750 NUT, M8 8

36 C Y-1239 07-11830 ADJUSTER, BRIDGE 8

37 C Y-129 508 -11820 GUIDE, VALVE BRIDGE 8

38 C Y-1198 02-1187 0 PROTECTOR, NOZZLE 4

39 C Y-11962 5-1188 0 SEAT, NOZZLE 4

Part Number Description Qty

Ref.

40 C Y-129 508 -1190 0 RETAINER, NOZZLE 4

41 C Y-1299 07-1195 0 BOLT, M8X75 4

42 C Y-2 23 51- 06 00 12 SPRING PIN 6X12 2

43 CY-24311-000120 O-RING 1A P-12.0 4

44 C Y-26106 -08 0252 BOLT M 8X 25 PLATED 3

45 CY-26106-08 0502 BOLT M 8X 50 PLATED 7

46 C Y-124160 -01751 COVER, FILLER 1

47 C Y-129 558 -11350 BONNET ASSY 1

48 C Y-12 95 08 -0 30 10 PLATE, BAFFLE 1

49 C Y-11980 2-0 307 0 BAFFLE, BREATHER 1

50 C Y-129 150 - 030 70 BAFFLE, BREATHER 1

51 CY-129907-03070 BAFFLE, BREATHER 1

52 C Y-1239 07-03100 DIAPHRAGM 1

53 C Y-1239 07-03110 PLATE, CENTER 1

54 C Y-123 907 -0 3120 PLATE, BREATHER 1

55 C Y-12 39 07- 0314 0 SPRING, DIAPHRAGM 1

57 C Y-1295 08 -11310 GASKET, BONNET 1

58 C Y-11910 0-1133 0 ELBOW, BREATHER 1

59 C Y-129 00 9-1134 0 SPRING, PLATE 1

60 CY-22857-50010 0 SCREW, M5X10 1

61 CY-22857-50 0100 SCREW, M5X10 4

62 CY-22857- 50010 0 SCREW, M5X10 6

63 CY-27241-180000 PLUG, 18 1

64 C Y-12416 0-1136 0 KNOB 3

65 CY-24311-000120 O-RING 1A P-12.0 3

66 CY-24311-000320 O-RING 1A P-32.0 1

67 CY-129900-07900 LIFTER, ENGINE 1

68 CY-2610 6- 080162 BOLT M 8X 16 PLATED 2

69 C Y-119717-118 00 GUIDE, VALVE 16

Part Number Description Qty

12

0CNP5-G38300

Lx490Lx Series

Fig 5. Suction Manifold

Notes

13

Fig 5. Suction Manifold

Lx490Lx Series

Ref.

1 C Y-129 50 8-12 110 GASKET, MANIFOLD 1

2 C Y-129 50 8-12 120 MANIFOLD, AIR INTAKE 1

3 CY-26106 -0 80202 BOLT M 8X 20 PLATED 6

4 CY-26106-080802 BOLT M 8X 80 PLATED 1

5 C Y-129 558 -12 09 0 HOSE,INTAKE 1

6 CY-23000-048000 CLAMP 48 1

7 CY-23000-060000 CLAMP 60 1

8 C Y-129 120 -775 02 HEATER, AIR 1

9 CY-129150-77511 GASKET, AIR HEATER 1

10 CY-26106 -0 80352 BOLT M 8X 35 PLATED 4

Part Number Description Qty

14

0CNP5-G38300

Fig 6. Exhaust Manifold & Muer

Notes

Lx490Lx Series

15

Fig 6. Exhaust Manifold & Muer

Lx490Lx Series

Ref.

1 CY-129 550 -13110 GASKET, EXH.MANIFOLD 1

2 C Y-129 558 -1312 0 MANIFOLD, EXHAUST 1

3 CY-1198 02-136 30 BOLT, M8X55 8

4 CY-129 418-18 320 STUD, M8X20 4

5 CY-129 558 -1330 0 BEND, EXHAUST 1

6 CY-129 558 -13310 STIFFENER,EXH. BEND 1

7 CY-129 558 -13530 SILENCER 1

8 CY-1291 07-1355 0 GASKET, NOZZLE 1

9 CY-1198 02-136 30 BOLT, M8X55 2

10 CY-129 659 -136 60 STAY, SILENCER 1

11 CY-129 508 -180 90 GASKET, TURBINE OUT 1

12 C Y-119131-183 20 STUD, M8X22 3

13 CY-26014-080222 BOLT M 8X 22 2

14 CY-26014-080252 BOLT M 8X 25 2

15 C Y-26106-08 0162 BOLT M 8X 16 PLATED 2

16 CY-2 6106 -0 80302 BOLT M 8X 30 PLATED 2

17 CY-26306-080002 NUT, M8 3

Part Number Description Qty

16

0CNP5-G38300

Fig 7. Camshaft & Driving Gear

Lx490Lx Series

Notes

17

Fig 7. Camshaft & Driving Gear

Lx490Lx Series

Ref.

1 CY-12915 0-14 200 TAPPET 8

2 CY-12915 0-14 40 0 ROD, PUSH 8

3 CY-129 508 -14580 CAMSHAFT ASSY 1

4 CY-129150-02450 METAL, THRUST 1

6 CY-12915 0-1410 1 GEAR, CAMSHAFT 1

7 CY-2 2512-070140 KEY, 7X14 1

8 CY-26106 -0 80142 BOLT 8X 14 PLATED 2

9 CY-119803-25050 SHAFT, IDLER 1

10 CY-1198 02-2 5101 GEAR ASSY, IDLE 1

13 C Y-26106-08 0402 BOLT M 8X 40 PLATED 3

14 C Y-129 150 -2 5301 BOLT, PUMP 4

15 C Y-11980 2-25 901 GEAR, PUMP 1

16 C Y-129 150 -0 188 1 GASKET, COVER 1

17 CY-129150-26000 DRIVE ASSY, PUMP 1

18 CY-129150-26050 BRACKET, PUMP 1

20 CY-24105-06 006 4 BALL BEARING 2

21 CY-1198 02-2 5071 BUSH, IDLE GEAR 1

Part Number Description Qty

18

0CNP5-G38300

8. TURBINE

LEV.REF. PARTS NO. DESCRIPTION

Fig 8. Turbine

Lx490Lx Series

Notes

19

Fig 8. Turbine

Lx490Lx Series

Ref.

1 CY-129 558 -18010 TURBINE, RHF4 1

2 CY-129508-18080 GASKET, TURBOCHARGER 1

3 CY-26306-080002 NUT, M8 4

Part Number Description Qty

20

0CNP5-G38300

Fig 9. Crankshaft & Piston

Lx490Lx Series

Notes

21

Fig 9. Crankshaft & Piston

Lx490Lx Series

Ref.

1 CY-129 652-21010 CRANKSHAFT ASSY 1

2 CY-12910 0- 01580 PIN, PARALLEL 1

4 CY-1198 03-2 120 0 GEAR, CRANKSHAFT 1

5 CY-12185 0-21290 PIN 1

6 C Y-129 40 0 -28 121 GEAR, BALANCER 1

7 CY-2 2512-070140 KEY, 7X14 1

9 CY-2 2512-070140 KEY, 7X14 1

10 CY-119852- 21650 V-PULLEY, CRANKSHAFT 1

11 CY-129795 -21661 WASHER 1

12 C Y-121850 -21680 BOLT, V-PULLEY 1

13 C Y -12 1111- 215 0 1 BOLT, FLYWHEEL 6

14 CY-129635-21590 FLYWHEEL ASSY 1

16 CY-124550 -21600 GEAR, RING 1

17 CY-129508-22080 PISTON W/RING 4

19 CY-129004-22500 RING SET, PISTON 4

23 CY-129202-22300 PIN, PISTON(D26,L70) 4

24 CY-22252-000260 CIRCLIP 26 8

25 CY-7294 02-2 3100 ROD ASSY, CONNECTING 4

28 CY-121550-23200 BOLT, CONNECTING ROD 8

29 C Y-129 150 -23 60 1 METAL, CRANKPIN 4

31 CY-129100 -23910 METAL, PISTON PIN 4

32 C Y -12 9 15 0 -2 3 611 METAL.PIN US=0.25 4

34 CY-129508-22900 PISTON W/RING .25OS 4

36 CY-129004-22950 RING SET, PISTON .25 4

Part Number Description Qty

22

0CNP5-G38300

LEV.REF. PARTS NO. DESCRIPTION

Fig 10. Balancer

Notes

Lx490Lx Series

23

Fig 10. Balancer

Lx490Lx Series

Ref.

1 CY-129 795 -019 60 PIPE, KNOCK 2

2 CY-129457-28000 BALANCER ASSY 1

3 CY-12817 0-14150 NUT, CAM 1

4 CY-12185 0-21290 PIN 1

5 CY-129457-28011 CASE ASSY, BALANCER 1

8 CY-129400-28150 GEAR, BALANCER A 1

9 CY-729 490 -28510 SHAFT, BALANCER A 1

14 CY-729490-28520 SHAFT, BALANCER B 1

19 CY-23876-005000 PLUG, PT1/16 1

20 CY-26106 -0 80142 BOLT 8X 14 PLATED 4

21 CY-24311-000140 O-RING 1A P-14.0 1

22 CY-26106-080602 BOLT M 8X 60 PLATED 4

23 CY-26106-080802 BOLT M 8X 80 PLATED 2

Part Number Description Qty

24

0CNP5-G38300

Fig 11. Lub. Oil System

Notes

Lx490Lx Series

25

Fig 11. Lub. Oil System

Lx490Lx Series

Ref.

1 CY-129418-32000 PUMP ASSY, LUB.OIL 1

14 CY-129150-32020 GASKET, PUMP 1

15 CY-26450-060252 BOLT, M6X25 4

16 CY-129 468 -34 810 GUIDE, DIPSTICK 1

17 C Y-12 955 8- 34 82 0 DIPSTICK, LUB.OIL 1

18 CY-129150-35042 GASKET, PIPE 1

19 CY-129550-35090 PIPE ASSY, OIL INLET 1

24 C Y-26106 -08 0122 BOLT M 8X 12 PLATED 1

25 CY-26106 -0 80352 BOLT M 8X 35 PLATED 2

26 C Y-129 50 8- 33 010 COOLER ASSY, LUB.OIL 1

27 CY-129508-33050 O-RING 1

28 CY-129417-33110 NUT, OIL COOLER 1

29 CY-1290 06-3510 0 BRACKET ASSY, FILTER 1

30 CY-119802-35110 BRACKET, FILTER 1

31 C Y-12 9417 -35 150 STUD, L=67 1

32 C Y -12 9 15 0 - 35 111 GASKET, BRACKET 1

34 CY-129648-44400 JOINT, PT1/4 1

35 CY-129645-49030 PIPE, COOLER INLET 1

36 CY-1710 08- 03990 CLIP, HOSE 18.5 1

38 CY-23080-015000 CLAMP 1

39 C Y-26106-08 0202 BOLT M 8X 20 PLATED 3

40 C Y-129150 -3 5153 FILTER 80X80L 1

Part Number Description Qty

26

0CNP5-G38300

LEV.REF. PARTS NO. DESCRIPTION

Y

Fig 12. Lub. Oil Line

Notes

Lx490Lx Series

27

Fig 12. Lub. Oil Line

Lx490Lx Series

Ref.

1 CY-114250-39450 SWITCH, OIL PRESSURE 1

2 CY-129558 -39610 PIPE ASSY, LO RETURN 1

3 CY-123910 -3985 0 RE TAI NER 1

4 CY-129558-39640 LO-T,T/C RETURN 1

5 CY-129558 -396 51 ELBOW,3/8 LO RETURN 1

6 CY-123957-39671 JOINT, PIPE 1

7 CY-23000-025000 CLAMP 25 2

8 CY-2 4316- 000160 O-RING 4D P-16.0 1

9 CY-26106 -0 60122 BOLT M 6X 12 PLATED 2

10 CY-26106 -0 80122 BOLT M 8X 12 PLATED 1

11 C Y-12416 0 -39 140 BOLT, JOINT M10 1

12 C Y-1212 52 -391 50 BOLT, PIPE JOINT 1

13 C Y-12 955 8- 39 48 0 PIPE ASSY, LUB. OIL 1

15 C Y-11980 2-39 50 0 RETAINER, PIPE 1

16 C Y-1242 23 -3 99 00 R ETA IN ER 1

17 CY-129005-59830 BOLT ASSY, JOINT 1

18 CY-22190-08 0002 SEAL WASHER 8S 1

19 CY-23857-030000 JOINT BOLT 3 1

20 CY-22190-08 0002 SEAL WASHER 8S 1

21 CY-22190-100002 WASHER, 10 2

22 CY-23414-100000 GASKET 10, ROUND 2

23 CY-26106 -0 80122 BOLT M 8X 12 PLATED 1

24 CY-26366-060002 NUT M 6 1

25 CY-129792-39 410 VALVE ASSY, CHECK 4

31 C Y-129 553 -3 96 50 NOZZLE, COOLING 4

32 C Y-22351- 030 010 SPRING PIN 3X10 4

Part Number Description Qty

28

0CNP5-G38300

Fig 13. Cooling Water System

Notes

Lx490Lx Series

29

Fig 13. Cooling Water System

Lx490Lx Series

Ref.

1 CY-129263-42000 PUMP ASSY, WATER 1

2 CY-129150-42059 PAC KING 1

4 C Y-129 263 - 42120 PL ATE 1

8 C Y-129 150 -4 23 00 FLAGNE, C. W. PUMP 1

10 C Y-129 05 4- 42 32 0 O-RING 1

12 C Y-12 991 6- 49 740 PLUG, R03 2

13 C Y-24358 -240310 O-RING, 5 24031 1

14 CY-26106- 060202 BOLT M 6X 20 PLATED 2

15 C Y-26116-06 0162 BOLT 6X16 3

16 C Y-265 77- 06 0152 SCREW, M6X15 3

17 CY-129486-42050 GASKET, PUMP 1

18 CY-23414-080000 GASKET 8, ROUND 1

19 CY-26106-08 0122 BOLT M 8X 12 PLATED 1

20 CY-26106 -0 80552 BOLT M 8X 55 PLATED 3

21 CY-26106-080602 BOLT M 8X 60 PLATED 1

22 CY-129403-42380 V-PULLEY, WATER PUMP 1

23 CY-25132-004000 V-BELT A40 1

24 C Y-12 94 36 -4 474 0 FAN, COOLING 1

25 C Y-129 26 6- 4 476 0 SPA CER 1

26 CY-26014 -060162 BOLT M 6X 16 4

27 CY-26014-060302 BOLT W/WASHER 6X 30 4

28 C Y-129 155 -4 98 01 THERMOSTAT 1

29 C Y- 12 91 50 - 4 98 11 GASKET, THERMOSTAT 1

30 CY-129795 -49 551 GASKET, COVER 1

31 C Y-129 350 - 49 56 0 COVER, THERMOSTAT 1

32 C Y-26106 -08 0202 BOLT M 8X 20 PLATED 2

33 CY-121450-42450 PLUG M16 1

34 CY-124465-44950 GASKET, 16 1

35 C Y-124250-49351 THERMOMETER 1

36 C Y-129 150 -4 93 60 GASKET 10 1

37 C Y-129263-49610 PIPE, WATER A 1

39 CY-124722-59050 CLIP, HOSE 2

40 CY-129263-49620 PIPE, WATER B 1

42 CY-124722-59050 CLIP, HOSE 2

Part Number Description Qty

30

0CNP5-G38300

LEV.REF. PARTS NO. DESCRIPTION

Fig 14. Fuel Injection Pump

Notes

Lx490Lx Series

Cub Cadet Yanmar Lx490 Part List Manual

Specifications and Main Features

Frequently Asked Questions

User Manual