Thursday, September 20, 2012

SHANTUI KOMATSU SD22 TY220 BULLDOZER ENGINE RELATED SPARE PARTS FROM CHINA FOR SALE


ENGINE RELATED PARTS

101

FIG.101 ENGINE MOUNT


ENGINE MOUNT



INDEX NO.


PART NO.


DESCRIPTION


Q`TY
101-1

2

3

4

5




6

7

8

9

10
01015-52200

04059-01680

01643-32260

195-01-11190

154-01-11570

154-01-11580

01010-52255

154-01-11550

154-01-11560

6681-21-4750

154-01-11590

154-01-11610
bolt, front

wire, lock

washer

spacer

shim ass’y, front

shim ass’y, front

bolt, rear

washer

plate, lock

pin, dowel

shim ass’y, back

shim ass’y, back



4

2

4

4

2

10

4

4

2

2

2

10



102

FIG.102 TRANSFER CASE



TRANSFER CASE



INDEX NO.


Part No.


Description


Q’ty


102-1

1A

1B

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36
23Y-02B-00000

154-38-25110

07044-12412

07002-02434

154-01-12121

154-01-12131

04020-01024

01011-51205

01010-51275

01010-51250

01602-21236

154-01-12220

154-01-12280

150-21-22180

04000-02050

154-01-12230

06040-06314

154-01-12240

01658-16823

01530-06814

154-01-12250

07012-00060

07000-05150

01010-51230

01602-21236

154-38-25150

06040-06209

154-01-12320

154-01-12410

06040-06212

154-01-12420

154-01-12431

01010-51025

01602-21030

154-01-12440

07000-05130

01010-51250

01602-21236

154-01-12260
power take off ass’y

case

play

O 0-ring

case power take off

gasket ,case

pin ,dowel

bolt

bolt

bolt

washer spring

shaft

bearing roller

ring snap

key

gear

bearing hall

collar

washer lock

hut

cover

seal oil

O O-ring

bolt

washer ,spring

gear

bearing ball

ring

gear

bearing roller

cover

gasket

bolt

washer spring

case ,bearing

O O-ring

bolt

washer spring

cover
1

1

1

1

1

1

2

13

2

2

17

1

1

1

2

1

1

1

1

1

1

1

1

4

4

1

2

1

1

2

1

1

4

4

1

1

2

2

1
102

FIG.102 TRANSFER CASE



TRANSFER CASE



INDEX NO.


Part No.


Description


Q’ty
102-37

38

39

40

41

42

43

44

45

46

49

50

51

52

53

54

55

56
154-01-12270

01010-51025

01602-21030

154-01-12450

07000-03078

01010-51245

01602-21236

07000-03030

07000-02105

07000-05195

154-01-12530

154-01-12541

154-01-12552

6600-01-3860

07005-01012

154-01-12520

07211-50610

07206-10610
gasket

bolt

washer spring

cover

O o-ring

bolt

washer spring

O o-ring

O o-ring

O o-ring

tube

tube

tube

bolt, joint

gasket

nipple

nipple

bolt, link
1

4

4

1

1

4

4

1

1

1

1

1

1

5

15

1

2

1



103

FIG.103 FUEL CONTROL LEVER






FUEL CONTROL LEVER



INDEX NO.


Part No.


Description


Q’ty
103-1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27
154-43-44110

09304-01250

GB6172-86

154-43-44270

17Y-05-00008

170-54-11230

17Y-05-00006

01016-50860

154-43-44250

154-43-14710

04020-00616

101-43-11281

154-43-14710

01052-51265

01640-21223

101-43-11380

01593-11210

04050-13030

154-43-44120

04205-10822

04050-12016

01508-21006

178-43-12180

04245-41025

195-43-42280

01582-11008

198-43-18170
lever

knob

M10 nut

screw

pin

spring

washer

M8×60 bolt

cap

disc

6×16 pin

facing

spring

M12×1.5×65 bolt

12 washer

cover

M12×1.5 nut

3×30 pin

rod

8×22 pin

2×16 pin cotter

M10×1.25 nut

adjustingnut

rod

bellows

M10×1.25 nut

yoke
1

1

1

1

1

1

1

1

1

1

1

2

1

1

2

1

1

1

1

2

2

1

1

1

1

2

1
104

FIG.104 DECELERATOR PEDAL






DECELERATOR PEDAL



INDEX NO.


Part No.


Description


Q’ty
104-1

2

3

4

5




6

7




8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35
195-43-42350

17Y-05-00016

01643-32460

06122-02504

GB290-82




06122-02004

GB290-82




01582-11008

175-43-35210

17Y-05-08000

01643-31032

01010-51040

07021-01090

01593-11008

04050-12018

04250-81056

04248-31016

01508-21006

176-43-43190

04245-41016

195-43-42410

17Y-05-00019

154-44-14570

04050-12022

154-43-44231

01010-50830

01602-20825

06122-02004

154-43-44240

04010-00519

17Y-05-10000

04205-10822

04050-12016

198-43-18170

04245-41062
pedal

plate rubber

washer

seal ring

bearing, roller

20941/25 needle

seal ring

bearing, roller

37941/20 needle

M10×1.25 nut

screw

lever

10 washer

M10×40 bolt

fitting grease

M10×1.25 bolt

2×18 pin cotter

end rod

rod

M10×1.25 nut

adjusting nut

rod

adjustingnut

pin, stopper

pin, stopper

2×22 pin cotter

lever

M8×30 bolt

8 washer spring

seal ring

shaft

half-round key

lever

8×22 pin

2×16 pin cotter

yoke

rod
1

1

1

2

1




2

3




6

1

1

1

1

2

1

1

1

1

1

1

1

1

1

1

1

1

2

2

4

1

2

1

2

2

2

1
105

FIG.105 FUEL CONTROL LINKAGE



FUEL CONTROL LINKAGE



INDEX NO.


Part No.


Description


Q’ty
1051

2

3

4

5




6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25
17Y-05-11000

17Y-05-10000

01010-50830

01602-20825

GB290-82




154-43-44140

04010-00519

06122-02004

01010-51230

01643-31232

198-43-18170

04205-10822

04050-12016

01582-11008

154-43-44162

17Y-05-05000

17Y-05-06000

17Y-05-04000

01010-51016

01602-21030

23Y-05B-00001

01580-10806

09290-10000

04245-40806

04211-20844
bracket

lever

M8×30 bolt

8 washer spring

bearing

37941/20

shaft

key wood ruff

seal ring

M12×30 blot

12 washer

yoke

8×22 pin

2×16 pin cotter

M10×1.25 nut

rod ass’y

bracket

lever

shaft

M10×16 bolt

10 washer

rod

M8×1 nut

absorber

rod

yoke
1

2

2

2

4




1

2

6

4

4

3

4

4

3

1

1

1

1

1

1

1

3

1

1

1



106

FIG.106 RADIATOR



RADIATOR




PART NO.


DESCRIPTION
Q’ty


No.
SD22

SD22E
SD22D
SD22S

SD22R









106-1




2

3

4

5

6




7




8

9

10

11

12

13

14

15

16

17

18

19

20

21

22




23




24



154-03-C1001

22M-03-00000

158-03-A0000

154-03-11117

22M-03-80700

07056-00048

07057-03271

07053-10000

07053-00002

154-03-11682

22M-03-81000

175-03-32570

22M-03-80800

07000-43045

01010-51025

01602-21030

07040-13618

07002-43634

154-03-11565

07000-42070.

01010-51240

01602-21236

07042-30108

07281-00809

154-03-11574

01011-51640

154-03-13240

154-03-21132

22M-03-80500

154-03-11143

22M-03-80004

154-03-11151

22M-03-80005
radiator ass’y

radiator ass’y

radiator ass’y

tank, upper

tank, upper

strainer

ring

cap

gasket

valve, pressure

valve, pressure

screen

screen

O o-ring

bolt

washer

plug

O o-ring

tube ass’y

O o-ring

bolt

washer

plug

clamp

hose

bolt

spacer

core

core

gasket

gasket

plate

plate
1







1




1

1

1

1

1




1




1

2

2

1

1

1

1

4

4

1

2

1

4

4

1




2




4






1







1

1

1

1

1




1




1

1

2

2

1

1

1

1

4

4

1

2

1

4

4




1




2




4






1

1




1

1

1

1

1




1




1

2

2

1

1

1

1

4

4

1

2

1

4

4

1




2




4





106

FIG.106 RADIATOR



RADIATOR



No.


PART NO.


DESCRIPTION
Q’ty
SD22

SD22E
SD22D
SD22S

SD22R
106-25




26

27







28




29




30

31

32

33

34

35

36

37

38

39










40




41




42

43

44

45




46

47

48
154-03-21123

22M-03-80200

01010-51030

01602-21030

195-03-22400

22M-03-80400

195-03-22530

22M-03-80410

195-03-22520

22M-03-80110

01643-32260

154-03-13160

01091-52220

154-03-13170

01582-12218

01010-51230

01643-31232

01010-51230

01643-31032

198-03-21530

22M-03-80003

195-03-22500

22M-03-80100

195-03-22540

22M-03-80101

195-03-22520

22M-03-80110

195-03-13250

154-03-11973

154-03-11963

195-03-22270

22M-03-80001

01091-52205

01643-32260

01582-12218
tank, lower

tank, lower

bolt

washer

isolator ass’y

isolator ass’y

bracket

bracket

isolator

isolator

washer

bracket, upper

bolt

bracket, lower

nut

bolt

washer

bolt

washer

plate

plate

isolator ass’y

isolator ass’y

bracket

bracket

isolator

isolator

bracket

bracket, R.H

() bracket, L.H

shim

shim

bolt

washer

nut
1




80

80

2




2




4




16

2

4

2

4

8

8

6

6

2




2




2




4




2

1

1

12




4

12

4



1

80

80




2




2




4

16

2

4

2

4

8

8

6

6




2




2




2




4

2

1

1




12

4

12

4
1




80

80

2




2




4




16

2

4

2

4

8

8

6

6

2




2




2




4




2

1

1

12




4

12

4
106

FIG.106 RADIATOR



RADIATOR



No.


PART NO.


DESCRIPTION
Q’ty
SD22

SD22E
SD22D
SD22S

SD22R
106-49

50

51

52

53

54

55




56




57




58

59




60

61

62




63

64

65

66

67

68

69

70

71




72

73
01010-51245

01643-31232

0101051230

01643-31232

01010-51435

01643-31445

154-03-12842

22M-03-81100

154-03-12823

22M-03-80900

154-03-13140

22M-03-80600

154-03-11611

154-03-13150

22M-03-80300

01010-51235

01602-21236

154-03-22160

22M-03-80002

01010-51030

01010-51250

01602-21236

01010-51235

01602-21236

154-03-12771

01010-51020

01643-31032

23Y-03B-02000

158-03-02000

01010-51025

01643-31032
bolt

washer

bolt

washer

bolt

washer

winder-break,R.H

winder-break,R.H

winder-break,L.H

winder-break,L.H

gasket

gasket

shim

plate

plate

bolt

washer

seat

seat

bolt

bolt

washer

bolt

washer

wind-break

bolt

washer

wind-break

wind-break

bolt

washer
4

4

6

6

4

4

1




1




2




20

2




8

8

4




4

4

4

4

4

1

3

3

1




2

2
4

4

6

6

4

4




1




1




2

20




2

10

10




4

4

6

6

4

4

1

3

3

1




2

2
4

4

6

6

4

4

1




1




2




20

2




8

8

4




4

4

4

4

4

1

3

3




1

2

2
106

FIG.106 RADIATOR



RADIATOR



No.


PART NO.


DESCRIPTION
Q’ty
SD22

SD22E
SD22D
SD22S

SD22R
106-74




75




76

77

78

79

80

81

82

83
154-03-12792

158-03-03000

23Y-03B-01000

158-03-04000

01010-51235

01643-31232

154-03-11587

154-03-11361

01010-51235

01602-21236

07281-00909

154-03-11594
winder-break,R.H

winder-break,R.H

winder-break,L.H

winder-break,L.H

bolt

washer

tube

gasket

bolt

washer

clamp

hose
1




1




8

8

1

1

4

4

2

1
1




1




8

8

1

1

4

4

2

1



1




1

8

8

1

1

4

4

2

1
107

FIG.107 RADIATOR PIPING AND WIND BREAK



RADIATOR PIPING AND WIND BREAK



No.


PART NO.


DESCRIPTION
Q’ty
SD22

SD22E
SD22D
SD22S

SD22R









107-1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36
154-03-C1001

22M-03-00000

158-03-A0000

01049-01012

154-03-11522

07281-00197

08036-01814

01010-51220

01643-31232

195-03-13131

04059-01010

195-03-11690

01010-51220

01043-31232

154-03-11535

07281-00419

195-03-11511

01010-51225

01643-31232

154-03-13231

01010-51225

01643-31232

154-03-13270

01010-51225

01643-31232

154-03-12626

175-03-32710

01010-51230

01643-31232

01010-51235

01602-21236

09311-31237

01580-11210

154-03-13180

175-54-27350

01010-51255

01643-32060

175-04-28770

154-03-12833
radiator ass’y

radiator ass’y

radiator ass’y

10 plug

hose

clamp

clip

bolt

washer

tube

19# wire

clip

bolt

washer

hose

clamp

clip

bolt

washer

wind-break,L.H

bolt

washer

wind-break,R.H

bolt

washer

guard

pin

bolt

washer

bolt

washer

bolt

nut

spacer

spring

bolt

washer

ring

wing-break
1







1

1

2

1

1

1

1

1

3

2

2

1

2

1

1

1

1

3

3

1

2

2

1

1

1

1

6

6

4

4

12

48

12

12

12

1



1


















































































































1

1

1

2

1

1

1

1

1

3

2

2

1

2

1

1

1

1

3

3

1

2

2

1

1

1

1

6

6

4

4

12

48

12

12

12

1
107

FIG.107 RADIATOR PIPING AND WIND BREAK



RADIATOR PIPING AND WIND BREAK



No.


PART NO.


DESCRIPTION
Q’ty
SD22

SD22E
SD22D
SD22S

SD22R
107-37

38

39

40

41

42

43

44

45

46

47

48

49




50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68




69

70

71

72
01010-51020

01643-31032

154-03-12644

154-03-12634

01010-51230

01643-31232

01010-51230

01643-31232

01580-11210

154-03-12653

01010-51230

01643-31232

154-03-12871

158-03-00003

01010-51230

124-54-26540

01010-51265

170-03-13130

154-03-12880

154-03-C1110

07011-10090

06040-06212

154-03-C1120

01010-51235

01602-21236

06040-06310

195-03-11840

195-03-11850

01010-51030

155-03-11850

07020-00000

195-03-11880

154-03-11981

22M-03-00001

01010-51030

01602-21030

01016-51270

01602-21236
bolt

washer

net,L.H.

net,R.H.

bolt

washer

bolt

washer

nut

net,R.H.lower

bolt

washer

support

support

bolt

washer

bolt

spacer

seat

shaft

seal

bearing

cage

bolt

washer

bearing

plate

lock

bolt

cover

fitting, grease

shim

pulley

pulley

bolt

washer

bolt

washer
4

4

1

1

6

6

2

2

2

1

2

2

1




1

3

1

1

2

1

1

1

1

6

6

1

1

1

2

1

1

14

1




3

3

6

6
4

4

1

1

6

6

2

2

2

1

2

2

1




1

3

1

1

2

1

1

1

1

6

6

1

1

1

2

1

1

14




1

3

3

6

6
4

4

1

1

6

6

2

2

2

1

2

2




1

1

3

1

1

2

1

1

1

1

6

6

1

1

1

2

1

1

14

1




3

3

6

6
108

FIG.108 FUEL TANK



FUEL TANK



Index No.


Part No.


Description


Q’ty
108-1

2

3

4

5

6

8

9




10

11

12

13

14

15

16

17

18

19

20

21

22

23

24



23Y-04B-01000

07056-18416

23Y-04B-00001

23Y-04B-02000

07002-02434

23Y-04-00006

07700-40460

23Y-04-00004

(07042-00108)

07000-40460

23Y-04-00002

07270-01265

07280-01210

23Y-04-40000

01010-52045

01643-32060

01010-52050

01602-22060

01643-32060

07000-05150

23Y-04-00005

01602-21236

01010-51230

23Y-04-00003
fuel tank

strainer

gauge

cap

O O-ring

joint

valve

elbow

PT’ plug

valve

joint

tube

clamp

bracket

bolt

washer

bolt

washer

washer

O O-ring

cover

washer

bolt

joint
1

1

1

1

1

1

1

1

1

1

1

1

1

1

6

6

4

4

4

1

1

6

6

1



109

FIG.109 FUEL PIPING



FUEL PIPING



Index No.


PART NO.


DESCRIPTION


Q`TY
109-1

2

10

11

12

13

14

16

17

18

19

20

21

22
23Y-04-30000

23Y-04-20000

08034-00519

08036-02514

01010-51220

01602-21236

195-01-12520

01010-51020

01602-21030

23Y-04-60000

08036-02514

23Y-04-10000

01010-51020

01602-21030
hose

hose

clamp

clip

bolt

washer

clip

bolt

washer

clip

clip

clip

bolt

washer


1

1

1

1

1

1

1

1

1

2

1

3

3

3
110

FIG.110 EXHAUST MANIFOLD AND MUFFLER



EXHAUST MANIFOLD AND MUFFLER



Index No.


PART NO.


DESCRIPTION


Q`TY
110-15

16

17

18

19

20

21

22

23

24

26

27

28

29



6631-11-5820

6693-12-5530

6112-13-5250

01020-01030

6657-11-5590

01010-80870

01580-00806

01602-20285

6711-11-5711

6711-11-5750

01050-61265

01582-01210

6678-51-9520

6711-11-5781
joint

flange

ring, seal

bolt

band

bolt

nut

washer

muffler

pipe, exhaust

bolt

nut

spacer

cap, rain
1

1

1

4

2

2

2

2

1

1

4

4

4

1
111

FIG.111 FLYWHEEL HOUSING ASS’Y



FLYWHEEL HOUSING ASS’Y



Index No.


PART NO.


DESCRIPTION


Q`TY



111-3

4

5

6

9

10

11

12

13

15

16




17

18

19

20

21
6711-21-C010

6623-31-1371

6623-31-1390

01010-31255

6623-31-1380

6710-23-4110

07046-15520

07046-12016

04020-01434

07042-00415

6710-23-4130

6710-23-4120

6710-23-4140

6600-01-2740

6691-23-4710

01010-61845

6643-21-4731

6711-21-C010 -1

-2



flywheel housing ass’y

gear, pump drive

pin, dowel

bolt

plate, lock

flywheel housing

plug, expansion

plug, expansion

pin, dowel

plug, drian

bolt

bolt

bolt

washer

bracket, rear

bolt

plate, lock

pin, dowel, flywheel

housing to cylinder

block
1

1

1

4

2

1

1

4

4

1

5

2

2

9

2

8

4

2
112

FIG.112 POWER TAKE OFF



POWER TAKE OFF



Index No.


PART NO.


DESCRIPTION


Q`TY
112-1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32
6691-21-4310

01010-31435

01602-01442

6691-21-4321

06030-06310

6623-21-4330

6623-21-4350

6623-21-4340

01050-31230

6623-21-4360

6691-21-4120

07000-03145

6691-21-4160

6691-21-4170

04000-01850

06000-06214

6691-21-4190

01658-26823

01530-06814

6691-21-4130

6691-21-4140

07000-03140

01010-31035

01602-01030

6710-23-4520

6691-23-4311

01050-31020

6645-22-4550

06000-06009

04065-07525

6691-21-4540

6691-21-4560
shaft, idler gear

bolt

washer

gear, idler, pump drive

bearing, radial ball

spacer

ring, snap

plate

bolt

plate, lock

case, bearing

O o-ring

gear, pump drive

shaft, pump drive

key

bearing, radial ball

ring, dowel

washer, lock

nut

spacer

cover

O o-ring

bolt

washer

gear, pump drive

shaft

bolt

plate, lock

bearing, radial ball

ring, snap

(A) spacer

(B) spacer
1

4

4

1

2

1

1

1

2

1

1

1

1

1

1

2

1

1

1

1

1

1

5

5

1

1

4

2

2

1

1

1
112

FIG.112 POWER TAKE OFF



POWER TAKE OFF



Index No.


PART NO.


DESCRIPTION


Q`TY
112-33

34

35

36

37

38

39

40

42
04064-04518

6711-21-C120

07000-03100

01010-31045

01602-01030

01140-51235

01602-21236

01582-11210

07000-62085
ring, snap

case, bearing

O o-ring

bolt

washer

stud bolt

washer

nut

O o-ring
1

1

1

2

2

4

4

4

1
113

FIG.113 P.T.O. LUBRICATING OIL PIPING



P.T.O. LUBRICATING OIL PIPING



Index No.


PART NO.


DESCRIPTION


Q`TY
113-1

2

3

4

5

6

7

8

9

10

11

12
6691-53-9510

6691-51-9521

6691-51-9570

07217-00610

6691-51-9580

6600-01-3860

07003-01015

6691-51-9560

6600-01-5930

6691-51-9540

01010-31030

01602-01030
pipe

pipe

“T” tee joint

elbow

connector

bolt

gasket

flange

clamp

clamp

bolt

washer
1

1

1

1

1

1

3

1

1

1

4

4
114

FIG.114 FRONT SUPPORT



FRONT SUPPORT



Index No.


PART NO.


DESCRIPTION


Q`TY
114-1
6711-21-3711
support, front
1
115

FIG.115 FAN



FAN



Index No.


PART NO.


DESCRIPTION


Q`TY
115-1
600-643-1060
fan
1



116

FIG.116 AIR CLEANER AND CAP






AIR CLEANER AND CAP



No.


PART NO.


DESCRIPTION
Q’TY
SD22

SD22E

SD22S

SD22R
SD22D

SD22C



116-1

2

3

4

5

6

8

9

10

11

12

13

14

15

16

17

18

19

20




21




22

22A

22B

22C

23

24

25

26

27

28
(6127-82-7106)

6127-82-7115

6127-81-7412

600-181-7511

6128-81-7320

600-181-4440

600-181-4370

600-181-4420

600-181-4430

6127-11-4360

6643-11-4641

09637-00160

6127-81-4821

01640-21016

01602-01030

01580-01008

6090-01-4250

01016-31045

01580-01008

6711-81-7920

22M-06-00001

600-181-1510

22M-06-10000

6711-11-4770

6128-11-5302

01010-31025

01602-01030

6127-11-4780

07281-00498

6128-11-5610

01010-31035

01580-01008

01602-01030
air cleaner ass’y

body, cleaner

element, inner

nut

element, outer

washer, seal

nut

bolt, butterfly

clip

hoop-band

bolt

data plate

gasket

washer

washer spring

nut

pre-cleaner ass’y

bolt

nut

connector

hose

cap

cap

pipe, ejector

valve ass’y

bolt

washer spring

hose

clamp

gasket

bolt

nut

washer spring
1

1

1

1

1

1

1

1

1

1

1

1

1

8

8

8

1

1

1

1




1




1

1

2

2

1

2

2

2

2

2
1

1

1

1

1

1

1

1

1

1

1

1

1

8

8

8

1

1

1




1




1

1

1

2

2

1

2

2

2

2

2
116

FIG.116 AIR CLEANER AND CAP





AIR CLEANER AND CAP



No.


PART NO.


DESCRIPTION
Q’TY
SD22

SD22E

SD22S

SD22R
SD22D

SD22C



116-29

30

31

32

33

34

35

36

37

38

39

40

41



6711-11-4210

6691-11-4740

07281-01659

6711-11-4530

01010-31230

01010-31235

01602-01236

22M-06-01000

07289-00145

22M-06-02000

01010-51240

01643-31232

22M-06-03000



air, connector

hose

clamp

bracket, air connector

bolt

bolt

washer spring

bracket

clamp

pre-cleaner ass’y

bolt

washer

clamp



1

1

2

1

2

2

4





















1

1

2

1

2

2

4

1

1

1

4

4

1

No comments:

Post a Comment