Lastec 721R Owner's manual

721R Articulator

PARTS & ILLUSTRATIONS

Manual Part Number: Man-721R

Section One:

Pull Bar

Fig. 1.01 Assembly Illustration

Serial Number

From 1010392

To 2110992

Ref. No. Part No. Part Description

1P137-M Clevis Pin, 1/4" DIA x 2 1/8"

2P138 1/2" Split Ring

3P136-M Clevis Pin, 1 1/4 Dia x 4 1/2"

4P139 Steering Stabilizer

5A101 R2 Deck Assembly

6F129 Bolt, 7/16-14 x 3", G8

7F131 7/16" Flat Washer

8F130 7/16-14 Nylock Nut

9W137 Pull Bar, Ball Swivel Mount

10 P141 Limit Chain

11 P140 Shackle Pin, 5/16"

12 W139 Steering Arm Weldment, Female

13 W140 Steering Arm Weldment, Male

14 W141 Steering Arm Upright Weldment

15 F139 Bolt, 1/2-13 x 1 3/4"

16 F140 1/2" Flat Washer

17 F128 1/2-13 Nylock Nut

18 F138 Bolt, 1/2-13 x 2 1/2"

19 P101 Ball Swivel, Threaded, 1 1/8-7 x 3/4" ID

20 F137 1 1/8-7 Hex Nut

21 F143 1 1/8" Split Lock Washer

Fig. 1.01

Pull Bar/Steering Arm Assembly

Serial Numbers 1010392 - 2110992

47

7

10

11

19 2021

12 13

18

17 14

8

7

66

3

1

5

7

8

9

4

3

2

19 12 13

15 15

14

16 17 17

17 17

16 16

16

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Fig. 1.02 Assembly Illustration

Serial Number

From 2120992 2250992

To 2240992 Present

Reference Part Part

Number Number Number Part Description

1W167 Pull Bar Weldment

2W176 (*1) Retro Pull Bar Weldment

3P203 P203 Bronze Bushing, 1 1/4" ID

4 Not Used P107 Grease Zerk, 1/4-28, ST

5 W163 Pull Pin Weldment

6W175 Retro Pull Pin Weldment

7 Not Used F158 Bolt, 3/8 x 1 3/4"

8 Not Used F159 3/8-16 Nylock Nut

9P137 Not Used Clevis Pin, 1/4" DIA x 2 1/8"

10 P138 Not Used 1/2" Split Ring

11 A101 A101 Deck R2 Complete Assembly

(*1)

K102 Pull Bar Retro-Fit Kit Contents:

Part No. Qty Part Description

W176 1 Retro Pull Bar Weldment

W200 1 Retro Pull Plate Weldment, Bottom

W163 1 Pull Pin Weldment

W201 1 Pull Arm Weldment, Left, Extended

W202 1 Pull Arm Weldment, Right, Extended

W168 2 Weight Transfer Tube Weldment

W143 2 Weight Transfer Rod Weldment

W172 1 Steering Arm Weldment

W173 1 Steering Arch Weldment

C268-M 1 PTO Guard

C187-M 1 Steering Arm L-Pin

P107 2 Grease Zerk, 1/4-28 Straight

P175 2 Weight Transfer Spring

P203 2 Bronze Bushing, 1 1/4" ID

P109 6 Bronze Bushing, 1" ID

P113 5 1/4" Lynch Pin

P185 2 Clevis Pin, 1" DIA x 6 1/2"

P229 1 12 Oz Touch-Up Spray Paint, Red

F158 3 Bolt, 3/8-16 x 1 3/4"

F173 2 3/8" SAE Flat Washer

F159 3 3/8-16 Nylock Nut

F139 1 Bolt, 1/2-13 x 1 3/4"

F140 1 1/2" Flat Washer

F128 1 1/2-13 Nylock Nut

F152 2 3/4-10 Jam Nut

If converting from a W137 Pull Bar to a W176 Retro Pull Bar, you will

also need to order the K102 Pull Bar Retro-Fit Kit listed below. Refer to

Fi

g

. 1.03

&

1.04.

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Fig. 1.02

Pull Bar Assembly

Serial Numbers 2120992 - Present

5

8

7

11

4

3

1

3

6

910

2

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Fig. 1.03 Assembly Illustration

Ref No. Part No. Part Description

1W176 Retro Pull Bar Weldment

2P203 Bronze Bushing, 1 1/4" ID

3W200 Retro Pull Plate Weldment, Bottom

4W163 Pull Pin Weldment

5F158 Bolt, 3/8-16 x 1 3/4"

6F159 3/8-16 Nylock Nut

7A101 R2 Deck Assembly

8W166 Pull Arm Weldment, Right

9W165 Pull Arm Weldment, Left

10 P109 Bronze Bushing, 1" ID

11 P185 Clevis Pin, 1" DIA x 6 1/2"

12 P113 1/4" Lynch Pin

13 W143 Weight Transfer Rod Weldment

14 F152 3/4-10 Jam Nut

15 W168 Weight Transfer Tube Weldment

16 P175 Weight Transfer Spring

17 P139 Steering Stabilizer

18 F129 Bolt, 7/16-14 x 3", G8

19 F131 7/16 Flat Washer

20 F130 7/16-14 Nylock Nut

21 P244 Lift Pin Assemby

22 P107 Grease Zerk, 1/4-28 Straight

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Fig. 1.03

Pull Bar Retro-Fit Assembly

8

10 10

10

11 11

16

1514

13

12

17 17

18

19

20

22 22

21

9

1

2

3

4

5

76

1

Maintain minimum

1 7/8" to 2" gap

between plates!

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Fig. 1.04 Assembly Illustration

Ref No. Part No. Part Description

1W210 Steering Arm Weldment, Modified

2W173 Steering Arch Weldment

3C268-M PTO Guard

4F182 Bolt, 1/2-13 x 2 3/4", G8

5F140 1/2" Flat Washer

6F128 1/2-13 Nylock Nut

7F158 Bolt, 3/8-16 x 1 3/4"

8F173 3/8" SAE Flat Washer

9F159 3/8-16 Nylock Nut

10 F180 Bolt, 1/2-13 x 8", G8

11 W201 Pull Arm Weldment, Left, Extended

12 W202 Pull Arm Weldment, Right, Extended

13 W176 Retro Pull Bar Weldment

14 A101 R2 Deck Assembly

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Pull Bar Retro-Fit Assembly

Fig. 1.04

1

23

4

5

6

77

88

99

10

11 13

14

12 11

Front View

Steering Arm Mount Tabs

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Fig. 1.05 Assembly Illustration

Serial Number

From 2120992 6230194 8821194

To 6221293 8811194 Present

Reference Part Part Part

Number Number Number Number Part Description

1P113 P113 P113 1/4" Lynch Pin

2W143 W143 W143 Weight Transfer Rod Weldment

3F152 F152 F152 3/4-10 Jam Nut

4W168 W168 W168 Weight Transfer Tube Weldment

5P175 P175 P175 Weight Transfer Spring

6P109 P109 P109 Bronze Bushing, 1" ID

7W166 Pull Arm Weldment, Right, Original

W202 W202 Pull Arm Weldment, Right, Extended

8F134 Not Used (*1) Not Used (*1) Bolt, 7/8-9 x 3"

9F136 Not Used (*1) Not Used (*1) 7/8" Split Lock Washer

10 F135 Not Used (*1) Not Used (*1) 7/8-9 Hex Nut

11 P244 P244 P244 Lift Pin Assembly

12 C186-M (*2) Not Used (*1) Not Used (*1) Standard Extender, 8"

14 P185 P185 P185 Clevis Pin, 1" ID x 6 1/2"

15 W170 (*3) W170 (*3) W170 (*3) Hitch Widener

16 W165 Pull Arm Weldment, Left, Original

W201 W201 Pull Arm Weldment, Left, Extended

17 Not Used Not Used P109 Bronze Bushing, 1" ID

18 A126 (*4) A126 (*4) Weight Transfer Assembly

A

119 (*5) Weight Transfer Assembly, Bushed

(*1)

(*2)

(*3)

The A119 Bushed Weight Transfer Assembly includes (1) P113 1/4" Lynch Pin,

(1) W143 Weight Transfer Rod, (1) W168 Weight Transfer Tube, (1) P175

Wei

g

ht Transfer S

p

rin

g,

(

1

)

F152 3/4-10 Jam Nut

,

and

(

1

)

P109 Bronze Bushin

g

.

(*4)

(*5)

The W201 & W202 Pull Arms do not require the C186-M extenders & related

hardware.

The C186-M Extender is 8" Long. When using a large frame tractor, you may

need a C331-M Extender

,

which is 12" lon

g

.

The W170 Hitch Widener is not standard equipment. These are available for use

with older tractors which have wide stance 3-

p

oint hitches.

The A126 Weight Transfer Assembly includes (1) P113 1/4" Lynch Pin, (1) W143

Weight Transfer Rod, (1) W168 Weight Transfer Tube, (1) P175 Weight Transfer

S

p

rin

g,

and

(

1

)

F152 3/4-10 Jam Nut. The P109 Bronze Bushin

g

is not included.

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1

2

3

4

5

6

8

9

10

17

11

12

14

1

15

167

18

7

Fig. 1.05

10

Pull Arm/Weight Transfer Assembly

Serial Numbers 2120992 - Present

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Fig. 1.06 Assembly Illustration

Serial Number

From 2120992 2250992 6230194 8681094 8781194 8821194

To 2240992 6221293 8671094 8771194 8811194 Present

Ref. No. Part No. Part No. Part No. Part No. Part No. Part No. Part Description

1W176 Retro Pull Bar Weldment

W167 W167 W167 W167 W167 Pull Bar Weldment

2P139 P139 P139 Not Used (*4) Not Used (*4) Not Used (*4) Steering Stabilizer

3P185 P185 P185 P185 P185 P185 Clevis Pin, 1" DIA x 6 1/2"

4P113 P113 P113 P113 P113 P113 1/4" Lynch Pin

5P109 P109 P109 P109 P109 P109 Bronze Bushing, 1" ID

6W166 (*1) W166 (*1) Pull Arm Weldment, Right, Original

W202 W202 W202 W202 Pull Arm Weldment, Right, Extended

7W165 (*2) W165 (*2) Pull Arm Weldment, Left, Original

W201 W201 W201 W201 Pull Arm Weldment, Left, Extended

8W143 W143 W143 W143 W143 W143 Weight Transfer Rod Weldment

9F152 F152 F152 F152 F152 F152 3/4-10 Jam Nut

10 W168 W168 W168 W168 W168 W168 Weight Transfer Tube Weldment

11 P175 P175 P175 P175 P175 P175 Weight Transfer Spring

12 F129 F129 F129 Not Used (*4) Not Used (*4) Not Used (*4) Bolt, 7/16-14 x 3", G8

13 F131 F131 F131 Not Used (*4) Not Used (*4) Not Used (*4) 7/16" Flat Washer

14 F130 F130 F130 Not Used (*4) Not Used (*4) Not Used (*4) 7/16-14 Nylock Nut

15 P244 P244 P244 P244 P244 P244 Lift Pin Assembly

16 C186-M C186-M Not Used (*3) Not Used (*3) Not Used (*3) Not Used (*3) Standard Extender, 8"

17 F134 F134 Not Used (*3) Not Used (*3) Not Used (*3) Not Used (*3) Bolt, 7/8-9 x 3"

18 F136 F136 Not Used (*3) Not Used (*3) Not Used (*3) Not Used (*3) 7/8" Split Lock Washer

19 F135 F135 Not Used (*3) Not Used (*3) Not Used (*3) Not Used (*3) 7/8-9 Hex Nut

20 Not Used Not Used Not Used Not Used P107 P107 Grease Zerk, 1/4-28 Straight

21 Not Used Not Used Not Used Not Used Not Used P109 Bronze Bushing, 1" ID

(*4) As of serial number 8681094, the P139 Steering Stabilizer and related hardware are no longer needed.

Originally W166 Right Pull Arm, has been replaced with the W202 Extended Right Pull Arm, which no longer requires the C186-M

Extender. If converting from a W166 to a W202, you will also need to convert the W164 Left Pull Arm to the W201 Extended Left Pull

Arm.

(*1)

(*2)

(*3)

Originally W165 Left Pull Arm, has been replaced with the W201 Extended Left Pull Arm, which no longer requires the C186-M

Extender. If converting from a W165 to a W201, you will also need to convert the W166 Right Pull Arm to the W202 Extended Right

Pull Arm.

As of serial number 6230194, the pull arms have been extended, and the C186-M Extenders and related hardware are no longer

needed.

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Fig. 1.06

Pull Arm/Pull Bar Assembly

Serial Numbers 2120992 - Present

6

55

11

21

10 9

8

4

33

22

12

13 13 20 20

14

15

7

1

15

17

18

19

16

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Fig. 1.07 Assembly Illustration

Serial Number

From 2120992 8681094 8781194

To 8671094 8771194 Present

Ref No. Part No. Part No. Part No. Part Description

1W210 (*1) W210 (*1) W210 Steering Arm Weldment, Modified

2W196 W196 W196 Hydraulic Hose Loop Weldment

3W173 (*2) W173 (*2) Steering Arch Weldment

W115 Steering Arch Weldment, Extended

4C268-M C268-M C268-M PTO Guard

5F158 F158 F158 Bolt, 3/8-16 x 1 3/4"

6F173 F173 F173 3/8" SAE Flat Washer

7F159 F159 F159 3/8-16 Nylock Nut

8F139 F139 Bolt, 1/2-13 x 1 3/4"

F182 Bolt, 1/2-13 x 2 3/4"

9F140 F140 F140 1/2" Flat Washer

10 F128 F128 F128 1/2-13 Nylock Nut

11 F180 (*3) F180 (*3) F180 Bolt, 1/2-13 x 8", G8

12 P113 P113 Not Used 1/4" Lynch Pin

13 P185 P185 P185 Clevis Pin, 1" DIA x 6 1/2", Yzc

14 P139 Not Used (*4) Not Used (*4) Steering Stabilizer

15 F129 Not Used (*4) Not Used (*4) Bolt, 7/16-14 x 3", G8

16 F131 Not Used (*4) Not Used (*4) 7/16" Flat Washer

17 F130 Not Used (*4) Not Used (*4) 7/16-14 Nylock Nut

18 Not Used Not Used F140 1/2" Flat Washer

19 Not Used Not Used F128 1/2-13 Nylock Nut

Originally W172 Steering Arm Weldment, has been replaced with the W210 Steering Arm

Weldment. W172 is no longer available. If converting from a W172 to a W210, you will also

need to order (1) F182 1/2-13 x 2 3/4" G8 Bolt.

(*1)

(*2)

(*3)

(*4)

Originally C187-M Steering Arm L-Pin, has been replaced with the F180 1/2-13 x 8" G8 Bolt.

The C187-M is no longer available. If converting from a C187-M to a F180, you will also need t

o

order (2) F140 1/2" Flat Washers and (1) F128 1/2-13 Nylock Nut.

On machines before serial number 8781194, the W173 Steering Arch Weldment was mounted

under the Steering Arm Weldment, as illustrated in Fig. 1.04.

As of serial number 8681094, the P139 Steering Stabilizers and related hardware are no longer

needed.

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13 13

12 12

Front View

Steering Arm Mount Tabs

2

12

34

8

55

66

77

11

181819

1

Fig. 1.07

Pull Bar/Steering Arm Assembly

Serial Numbers 2120992 - Present

14

16

17 17

15

16

16 16

10

9

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Fig. 1.08 Assembly Illustration

Serial Number

From 1010392 2651292

To 2641292 7740694

Ref. No. Part No. Part No. Part Description

1P148 (*1) PTO, Neapco, Cross-Drilled Yoke

P197 (*1) PTO, Neapco, M40/F32, Splined Yoke

2P156 P156 PTO 1/2 Shaft, Male, Splined Yoke, Neapco

3P157 PTO 1/2 Shaft, Female, Cross-Drilled Yoke, Neapco

P242 PTO 1/2 Shaft, Female, Splined Yoke, Neapco

4P178 P178 PTO Cross Pin Assembly, Neapco

5P207 (*2) P207 (*2) PTO Yoke Assembly, Splined, Neapco

6P177 (*3) P177 (*3) PTO Cross Bearing Assembly, Neapco

7P234 P234 PTO Shield Bearing, Neapco

8P252 P252 PTO Shaft/Yoke Weldment, Male, Neapco

9P254 P254 PTO Shield Retaining Chain, Neapco

10 P232 (*4) P232 (*4) PTO Outer Shield, Neapco

11 P253 (*5) P253 (*5) PTO Shaft/Yoke Weldment, Female, Neapco

12 P107 P107 Grease Zerk, 1/4-28, Straight

13 P206 Not Used PTO Yoke, Cross Drilled, Neapco

14 F129 Not Used Bolt, 7/16-14 x 3, G8

15 F130 Not Used 7/16-14 Nylock Nut

16 P230 (*4) P230 (*4) PTO Inner Shield, Neapco

17 P294 P294 Grease Zerk, 1/4-28 45 Deg

(*1) Both the P148 and P197 Neapco PTO's have been replaced

with the P225 Bondioli PTO. Although the P148 and P197

are no longer available, you may still order replacement parts

for them.

If converting from a P148 Neapco PTO to a P225 Bondioli

PTO,you will also need to order (1) P238 Cross Drilled Yoke

to upfit the P225 Bondioli PTO to your machine.

Refer to Fig. 1.09 for the P225 Bondioli PTO parts

breakdown.

(*2) The P207 Neapco Splined PTO Yoke Assembly Includes (1)

P178 Cross Pin & Spring Assembly.

(*3) The P177 Neapco PTO Cross Bearing Assembly includes (1)

P294 1/4-28 45 Deg Grease Zerk.

(*4) The P232 Neapco PTO Inner Shield Assembly and the P230

Neapco PTO Outer Shield Assembly each Include (1) P254

Neapco PTO Shield Retaining Chain.

(*5) The P253 Neapco PTO Female Shaft/Yoke Weldment

Includes (1) P107 1/4-28 Straight Grease Zerk.

Rev 082395 BDR

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3

1

2

Fig. 1.08

Neapco PTO Shaft Assembly

Serial Numbers 1010392 - 7740694

9

10

9

16

5

6

17 78

4

13 14

15

4

5

617

7

11

12

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Fig. 1.09 Assembly Illustration

Ref. No. Part No. Part Description

1P225 PTO, Bondioli, 29.9/45.1, Splined

2P258 PTO 1/2 Shaft, Female, Bondioli

3P259 PTO 1/2 Shaft, Male, Bondioli

4P273 PTO Cross Pin Assembly, Bondioli

5P272 PTO Twist Sleeve Assembly, Bondioli

6P260 (*1) PTO Yoke Assembly, Twist Release, Female Side, Bondioli

7P262 (*2) PTO Cross Bearing Assembly, Bondioli

8P263 PTO Female Shaft Yoke, Bondioli

9P265 PTO Female Shaft Yoke Pin, Bondioli

10 P270 PTO Outer Shield Bearing, Bondioli

11 P274 PTO Shaft, Female, Bondioli

12 P267 PTO Greasing Collar, Bondioli

13 P276 PTO Yoke Shield, Female Side, Bondioli

14 P277 PTO Outer Shaft Shield, Bondioli

15 P256 PTO Shield Retaining Chain, Bondioli

16 P275 PTO Shaft, Male, Bondioli

17 P271 PTO Inner Shield Bearing, Bondioli

18 P264 PTO Male Shaft Yoke, Bondioli

19 P266 PTO Male Shaft Yoke Pin, Bondioli

20 P261 (*3) PTO Yoke Assembly, Twist Release, Male Side, Bondioli

21 P279 PTO Inner Shaft Shield, Bondioli

22 P278 PTO Yoke Shield, Male Side, Bondioli

23 P268 (*4) PTO Outer Shield Assembly, Bondioli

24 P269 (*5) PTO Inner Shield Assembly, Bondioli

25 P238 (*6) PTO Yoke, Male Side, Cross-Drilled, Bondioli

26 F129 (*6) Bolt, 7/16-14 x 3", G8

27 F130 (*6) 7/16-14 Nylock Nut

28 P294 Grease Zerk, 1/4-28, 45 Degree

(*1) The P260 PTO Twist Release Yoke Assembly Includes (1) P273 Cross

Pin Assembly & (1) P272 Twist Sleeve Assembly.

(*2) The P262 PTO Cross Bearing Assembly includes (1) P294 1/4-28 45

Deg Grease Zerk.

(*3) The P261 PTO Twist Release Yoke Assembly Includes (1) P273 Cross

Pin Assembly & (1) P272 Twist Sleeve Assembly.

(*4) The P268 PTO Outer Shield Includes (1) P277 PTO Outer Shaft Shield,

(1) P270 PTO Outer Shield Bearing, and (1) P276 PTO Yoke Shield. It

Does not include the P256 Shield Retaining Chain.

(*5) The P269 PTO inner Shield Includes (1) P279 PTO Inner Shaft Shield,

(1) P271 PTO Inner Shield Bearing, and (1) P278 PTO Yoke Shield. It

Does not include the P256 Shield Retaining Chain.

(*6) Used only on machines before serial number 2651292, and only if

converting from a P148 Neapco PTO w/cross-drilled yoke to the P225

Bondioli PTO OR from a P197 Neapco PTO upfitted with a P206 Cross-

Drilled Yoke to a P225 Bondioli PTO.

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Fig. 1.09

Bondioli PTO Shaft Assembly

Serial Numbers 7750694 - Present

1

2

3

4

5

6

7

28

8

9

10 11 12

13 14

15

23

15

21 22

24

45

7

16 17 18

19

20 25

26

27

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Lastec 721R Owner's manual

Lastec 721R Owner's manual

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