Installation and Removal of the V-PAT Bulldozer{6050} Caterpillar

Track-Type Tractor:

D5N (S/N: AKD1-UP; AGG1-UP; CFH1-UP; CKT1-UP)

D6N (S/N: CBF1-UP; CCG1-UP; ALH1-UP; CBJ1-UP; CCK1-UP; CBL1-UP; AKM1-UP; ALR1-UP; ALY1-UP; DJA1-UP; JAH1-UP; DJY1-UP)

Introduction

This special instruction provides the procedure for installing and removing the V-PAT bulldozer for the D5N and the D6N Track-Type Tractor.

Do not perform any procedure in this Special Instruction until you fully understand the information.

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Do not attempt to disassemble or assemble this machine until you read and understand the disassembly and assembly instructions. Improper disassembly and assembly procedures could result in injury or death.

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NOTICE
Do not allow any dirt or foreign material to get into the hydraulic system during assembly, connection of lines, when components are filled with fluid, or during any maintenance operation.

Note: Clean all pins and bores in order to remove any dirt or corrosion before assembly.

Note: Before, you begin this procedure attach a Do Not Operate Tag to the start switch of the machine.

Weights

Table 1

Approximate Weights
Item	weight
Blade arrangement D5N XL	931 kg (2050 lb)
Blade arrangement D5N LGP	950 kg (2090 lb)
Blade arrangement D6N XL	1095 kg (2410 lb)
Blade arrangement D6N LGP	1250 kg (2760 lb)
Tilt cylinder Gp D5N	63 kg (139 lb)
Tilt cylinder Gp D6N	82 kg (181 lb)

Installation Of Bulldozer

Necessary Parts

Table 2

Parts List for C-Frame
Item	Qty	Part Number	Description
1	6	124-5235	Shim
2	24 (1)	8T-4123	Plated Washer
3	3	7X-2562	Bolt
4	1	104-7391	Cap
5	1	161-2114	Pin  (2)
	1	160-5691	Pin  (3)
6	1	160-5692	Spacer  (2)
	1	161-2113	Spacer  (3)
7	1	147-4359	Pin
	1	145-0803	Pin

( 1 )	The item only requires three at final assembly. An Additional amount of the quantity is used during the assembly process.
( 2 )	Only use this item if you are installing the V-PAT bulldozer on the D5.
( 3 )	Only use this item if you are installing the V-PAT bulldozer on the D6.

Table 3

Tilt Cylinder Group
Item	Qty	Part Number	Description
8	1	160-0045	Tilt Cylinder Gp  (1)
	1	160-0054	Tilt Cylinder Gp  (2)

( 1 )	Only use this item if you are installing the V-PAT bulldozer on the D5.
( 2 )	Only use this item if you are installing the V-PAT bulldozer on the D6.

Table 4

Parts List for Lines Group
Item	Qty	Part Number	Description
9	10	3B-8489	Grease Fitting
10	6	6V-8398	O-Ring Seal
11	2	197-2477	Pin
12	7	8T-4192	Bolt
13	10	8T-4139	Bolt
14	27	8T-4223	Hard Washer
15	2	197-2479	Hose As
16	4	8T-4136	Bolt (1)
17	8	8T-4121	Hard Washer (1)
18	2	096-7033	Cotter Pin
19	4	148-8340	Connector As
20	3	148-8364	Elbow As
21	2	3B-6552	Elbow
22	2	5P-7464	Clip
23	2	5P-7465	Clip
24	6	5P-7466	Clip
25	6	5P-7467	Clip
26	6	5P-8112	Grommet
27	2	6V-1249	Grommet
28	6	6V-7687	Locknut
29	2	7G-3832	Grommet
30	2	7G-3833	Clip
31	2	7G-3834	Clip
32	2	7Y-1858	Washer
33	2	8T-4183	Bolt
34	6	8T-4184	Bolt
35	3	8T-4244	Nut
36	2	204-5093	Plate
	2	203-2899	Plate
37	1	295-2151	Channel As (Right Hand) (1)
	1	211-0571	Channel As (Right Hand) (2)
38	1	295-2152	Channel As (Left Hand) (1)
	1	211-0573	Channel As (Left Hand) (2)
39	1	292-9380	Guard As  (1)
	1	200-2645	Guard As  (2)
40	1	8T-4194	Bolt  (1)
	1	3E-4319	Taperlock Stud  (2)
41	2	294-7277	Guard As  (1)
	2	197-2478	Guard  (2)
42	2	112-7454	Hose As  (1)
	2	187-9028	Hose As  (2)
43	2	112-7455	Hose As  (1)
	2	187-9030	Hose As  (2)
44	2	262-0649	Hose As  (1)
	1	187-9031	Hose As  (2)
	1	187-9032	Hose As  (2)
45	2	3B-8488	Grease Fitting (2)
46	1	2P-6470	Clip (2)
47	1	2P-6471	Clip (2)
48	4	167-7270	Film  (1)
49	2	294-5386	Baffle  (1)
50	4	8T-4133	Nut  (1)
51	2	294-5374	Plate  (1)
52	2	294-7278	Plate  (1)

( 1 )	Only use this item if you are installing the V-PAT bulldozer on the D6.
( 2 )	Only use this item if you are installing the V-PAT bulldozer on the D5.

Table 5

Blade Arrangement
Item	QTY	Part Number	Description
53	1	104-7412	Blade arrangement D5N XL
	1	108-8585	Blade arrangement D5N LGP
	1	110-5230	Blade arrangement D6N XL
	1	112-7446	Blade arrangement D6N LGP

Table 6

Parts Needed for Assembly Only.
Item	Qty	Part Number	Description
A	3	7X-2568	Bolt
B	3	2S-7612	Spacer
C	1	9U-5986	Eyebolt

Bulldozer V-PAT Installation

Illustration 1	g01298385

1. Loosen four bolts (F) on block assembly (H). The block assembly is located on the inside of the front C-frame (J). Remove two spacers (G) .

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Illustration 2	g01298386

2. Reposition spacers (G) in front of the pitch link assembly (H) .

3. Tighten four bolts (F) hand tight.

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Illustration 3	g01298394

4. Remove pin retainer (K) and pin (L) from pitch link assembly (H) .

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Illustration 4	g01299587

5. Remove the pitch link assembly (M) from the block assembly (H) and C-frame (J) .

   Note: There is one spacer above the bearing and one spacer below the bearing in the pitch link assembly. The spacers are not shown. Save the spacers for assembly.

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Illustration 5	g01299596

6. Remove the pin retainer (N) and pin (P) from the center bracket on the back of the blade arrangement.

7. Install the link assembly (M) to the back of the blade. Install one spacer above the bearing and one spacer below the bearing in the link assembly. Use pin (P), retainer (N), and two bolts that were removed in Step 6.

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Illustration 6	g01299597

Note: Install link assembly (M) with grease fitting (Q) on the right-hand side.

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Illustration 7	g01020169

8. Raise C-frame (J). Place 203.2 mm (8 inch) blocking (R) under the center of the C-frame. Lower C-frame (J) onto the blocking.

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Illustration 8	g01019494

9. Attach a lifting device to the blade assembly.

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Illustration 9	g01020119

10. Position the blade in front of C-frame (J) with link assembly (M) through the opening in C-frame (J).

11. Center the bearing in the pitch link assembly (M) over the hole in the block assembly.

12. Install spacers on the top of the bearing and the bottom of the bearing in the link assembly. Use the spacers that were removed in Step 5.

13. Install pin (L), retainer (K), and bolts that were removed in Step 4 in order to secure the link in the block assembly (H) .

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Illustration 10	g01299599

14. Adjust the position of the blade so that the spherical bearing in the upper center bracket on the back of the blade is centered over sleeve (S) in the lower bore of C-frame (J).

15. Lower the hoist so that the spherical bearing rests on top of sleeve (S).

    Note: Do not remove the hoisting equipment from the blade assembly.

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Illustration 11	g01298646
This illustration shows spherical bearing (Z) on the back of plate for the D6N frame Gp .

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Illustration 12	g01299600

16. Lower pin (7) through the top three bores of C-frame (J) and through the spherical bearing in the blade assembly.

17. Place pin (5) through the top two bores of C-frame (J) into the top of pin (7) .

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Illustration 13	g01299601

18. Place all shims (1) on top of pin (5) and place cap (4) on top of shims (1). Refer to Illustration 13.

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Illustration 14	g01020141

19. Use bolts (A), washers (2), and spacers (B) to press pin (7) into the lower sleeve. Turn bolts in equal amounts in order to press the pin into position.

    Note: During the process of pressing pin (7) into place, spacers (B) or additional washers (2) must be added to the bolts when thread depth is utilized.

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Illustration 15	g01299602

20. Remove bolts (3), cap (4), and shims (1) .

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Illustration 16	g01020146

21. Install lifting eye (C) in top of pin (5). Remove pin (5) from C-frame (J).

    Note: The lifting equipment may be removed from the blade assembly at this point. The blade assembly will rest with only one dozer end bit on the floor. The blade assembly can pivot about pin (7) .

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Illustration 17	g01020148

22. Assemble spacer (6) into C-frame (J).

    Note: Route tilt cylinder hoses between C-frame (J) and spacer (6). Refer to Illustration 17 for the position.

23. Remove the tilt cylinder pin and two spacers from the upper right corner of the blade assembly.

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Illustration 18	g01020149

24. Position the head end of tilt cylinder (8) into C-frame (J). Make sure that the spherical bearing is positioned on top of spacer (6).

25. Install pin (5), shims (1), and cap (4) on top of C-frame (J). Use bolts (A), washers (2), spacers (B), and bolts (3) to seat pin (5) into C-frame (J).

    Note: Pin (5), bolts (A), and spacers (B) are not shown in the illustration.

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Illustration 19	g01020151

26. Check the gap between the top of C-frame (J) and cap (4). Adjust the number of shims (1) until only one shim is totally protruding above the top face of C-frame (J).

    Note: Make sure that there is a gap between cap (4) and the top of C-frame (J) after installing pin (5). Cap (4) may contact the top of C-frame (J) in the area under each bolt head.

27. Remove plugs from tilt cylinder (8). Use an appropriate container to catch any oil that may drain from the cylinder.

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Illustration 20	g01297831
187-9026 Angle and Tilt Lines Gp for D5N

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Illustration 21	g01297834

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Illustration 22	g01297837
295-1830 Angle and Tilt Lines Gp for D6N

28. Use connectors (42, 43, and 44) and seals (10) to install hydraulic hoses on tilt cylinder (8) .

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Illustration 23	g01298627

Note: Before tightening the hydraulic hose connections, put a twist in the hydraulic hoses so that the hoses do not contact the cylinder rods. Refer to Illustration 23.

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Illustration 24	g01298600

29. Install the rod end of cylinder (8) to the blade assembly. Install the following items: pin, retainer, bolts and spacers Refer to Step 23 for removed components.

    Note: Install one spacer above the cylinder and one spacer below the cylinder (8) .

30. Install guard assembly (39) to tilt cylinder (8). Use bolts (12) and washers (14) .

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Illustration 25	g01298615

31. Install one angle cylinder to the blade assembly. Use the pin, the retainer, the bolt, the washer, and the spacers that are provided with the blade assembly.

    Note: Install one spacer above the bulldozer angle cylinder and one spacer below the bulldozer angle cylinder.

32. Repeat Step 31 in order to install the angle cylinder on the other side of the blade assembly.

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Illustration 26	g01298614

33. Install clips (24 and 25) to the tilt cylinder (8) and the tilt cylinder hoses. Use bolts (12 and 40), washers (14), and grommet (26) .

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Illustration 27	g01298432

34. Loosen four bolts (F) on the back of block assembly (H).

    ReferenceRefer to Operation and Maintenance Manual, "Dozer Blade Tip" for information on adjusting the blade and the procedure.

35. Move spacers (G) to the back side of the block assembly (H). Tighten four bolts (F) to 900 ± 100 N·m (664 ± 75 lb ft).

Removal Of Bulldozer

Table 7

Required Tooling
Item	Qty	Part Number	Description
T	1	9U-5346	Nut
U	1	9X-8399	Washer
V	1	6V-3175	Double Acting Cylinder
W	1	9U-5344	Puller Stud
X	2	FT-1714	Wedge (1)
Y	1	3S-6224	Electric Hydraulic Pump Gp

( 1 )

This tool may be fabricated. Refer to Illustration 28 and Table 8.

Illustration 28	g01019393
Make wedges from SAE 1020 steel.

Table 8

Specifications
Item	Dimension
A	25.4 mm (1 inch)
B	50.8 mm (2 inch)
C	152 ± 2 mm (6 ± 0.08 inch)
D	12.7 ± 2 mm (0.5 ± 0.08 inch)
E	25.4 mm (1 inch) (1)

Illustration 29	g01298385

1. Loosen four bolts (F) on the back of block assembly (H). Block assembly (H) is located on the back side of C-frame (J). Remove two spacers (G) .

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Illustration 30	g01298386

2. Reposition spacers (G) in front of block assembly (H).

3. Hand tighten four bolts (F) .

   Note: Spacers (G) may already be located in front of block assembly (H) as a result of previous adjustment.

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Illustration 31	g01020169

4. Raise C-frame (J). Place 203.2 mm (8 inch) blocking (R) under the center of the C-frame. Lower C-frame (J) onto the blocking (H) .

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Illustration 32	g01298614

5. Remove bolts (15), washers (16), locknuts (17), and clamps (14) from tilt cylinder (8) .

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Illustration 33	g01298637

6. Remove bolts (12), washers (13), and guard assembly (8) from tilt cylinder (8).

7. Disconnect the hydraulic hose from cylinder (8). Use a suitable container to catch any oil that may drain from the holes of the cylinder. Cap hose and plug cylinder ports in order to prevent foreign material from entering the hydraulic system.

8. Remove the bolts, the washers, the retainer, and the pin in order to free the rod end of cylinder (8).

   Note: There is one spacer above the rod end and one spacer below the rod end. Save the spacers for reassembling of the blade assembly.

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Illustration 34	g01020149

9. Remove bolts (3), cap (4) and shims (1) .

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Illustration 35	g01020186

10. Assemble eyebolt (C) to pin (5). Use a hoist and eyebolt (C) to remove pin (5) .

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Illustration 36	g01020189

11. Use the hoist to remove cylinder (8).

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Illustration 37	g01019494

12. Attach a lifting device to the blade assembly. Remove any slack from the lifting equipment.

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Illustration 38	g01020148

13. Remove spacer (6) from C-frame (J) .

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Illustration 39	g01020200

14. Assemble stud puller (W) into the threads of pin (7).

15. Assemble cylinder (V), washer (U), and fast runner nut assembly (T) to stud puller (W).

16. Hand tighten fast runner nut assembly (T).

17. Connect hose from hydraulic pump group (Y) (not shown) to cylinder (V) .

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Illustration 40	g01020202

18. Insert wedges (X) between the upper center bracket and the C-frame.

19. Use the hydraulic pump and the hydraulic cylinder to raise pin (7).

    Note: Raise the cylinder to the end of the stroke and lower the cylinder rod. Hand tighten the nut and raise the cylinder again. Continue this procedure until the pin can be removed by hand.

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Illustration 41	g01020203

20. Remove one blade angle cylinder from the blade assembly.

    Note: There is one spacer above the rod end and one spacer below the rod end. Save the spacers for reassembling of the blade assembly.

21. Repeat Step 20 on the other side of the blade assembly.

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Illustration 42	g01298394

22. Remove pin retainer (K) and pin (L) from block assembly (H).

    Note: There is one spacer above the link assembly and one spacer below the link assembly. Save the spacers for reassembling of the blade assembly.

23. Separate the blade assembly from the C-frame.

Foldable Blade Instructions

Introduction

The following outlines the basic steps and procedure ti use in order to fold the left side of a 257-8113 Angling Blade .

Note: All safety information, warnings, and instructions must be read and understood before performing any operation or any maintenance procedures.

Shipping Information

Table 9

257-8113 Angling Blade
Blade Weight	1690 kg (3725 lb)
Blade Width	4082 mm (160.7 inch)
Blade Height	1277 mm (50.3 inch)
Shipping overall width	3000 mm (118.1 inch) with blade folded

Description of the Foldable Blade

Table 10

Blade Arrangement
Item	QTY	Part Number	Description
53	1	257-8113	Angling Blade
	1	257-8156	Angling Blade (Fine Grading)

Illustration 43	g02280815
Working position

Illustration 44	g02281519
Transportation position

Note: In transportation position, the blade must be parallel to the ground.

Procedure to Fold the Blade

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Illustration 45	g02283793

1. Unlock the removable side of the blade.

   1. Slightly raise the blade in order to clear the blade from the ground.

   2. Remove the cotter pin and pins (1) .

   3. Pull out bar (2) after having removed both of the retention cotter pins.

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Illustration 46	g02283814

2. Fold the removable side of the blade. Place the end of bar (2) in the hole at the top left corner of the blade and push in order to fold the blade.

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Illustration 47	g02283840

3. Place bar (2) and pins (1) as shown in Illustration 47 in order to lock the removable side of the blade.

   Note: Proceed to Steps 4 through 8 for LGP machines only.

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Illustration 48	g02295654

4. Remove right-hand pins (3) from each link. Refer to Illustration 48 for the correct pins to remove.

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Illustration 49	g02295673
Left-hand side pin placement

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Illustration 50	g02295693
Right-hand side pin placement

Note: The angling cylinders must be actuated slowly and without jerks to avoid hitting the blade.

5. From the cab, block the blade in flat position on the ground and actuate the angling cylinders to the right in order to place the links in the transportation position. Refer to illustrations 49 and 50 for the transportation position for the links.

6. Insert the left-hand pin as shown in Illustration 49.

7. Insert the right-hand pin as shown in Illustration 50.

8. From the cab, slightly raise the blade and make the blade completely swivel to the left.

Procedure to Unfold the Blade

Note: Perform Steps

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Illustration 51	g02296596
Left-hand side pin placement

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Illustration 52	g02296614

1. Remove the right-hand pins from each link.

2. From the cab, slightly raise the blade and make the blade swivel to the right until the blade is perpendicular to the machine centerline.

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Illustration 53	g02283840

3. Remove pins (1) and bar (2) in order to unlock the removable side of the blade.

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Illustration 54	g02283814

4. Unfold the removable side of the blade. Place the end of bar (2) in the hole at the top left corner of the blade and push in order to unfold the blade.

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Illustration 55	g02283793

5. Lock the removable side of the blade.

   1. Place bar (2) at the rear of the blade and attach with two cotter pins.

   2. Install pins (1) in order to secure the blade in the working position.

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Illustration 56	g02296673

6. From the cab, block the blade in flat position on the ground and actuate the angling cylinders to the left in order to place the links in working position.

7. Insert the pins in order to lock the links and the blade in working position. Refer to Illustration 56 for the correct location of the links.