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Installation and Removal of the V-PAT Bulldozer{6050, 6079} Caterpillar


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Installation and Removal of the V-PAT Bulldozer{6050, 6079} [REHS4382]
IMPLEMENTS
BULLDOZER GP
Installation and Removal of the V-PAT Bulldozer{6050, 6079}
1.1. Introduction
2.1. Weights
3.1. Installation Of Bulldozer
4.2. Necessary Parts
5.2. Bulldozer V-PAT Installation
6.2. Removal Of Bulldozer
7.1. Foldable Blade Instructions
8.2. Introduction
9.2. Shipping Information
10.2. Description of the Foldable Blade
11.2. Procedure to Fold the Blade
12.2. Procedure to Unfold the Blade
Track-Type Tractor:
D6N (S/N: LJR1-1492; GHS1-1799; MLW1-1099)

Introduction

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

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

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------ WARNING! ------

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

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Table 1
Approximate Weights    
Item     weight    
Blade arrangement XL     985 kg (2172 lb)    
Blade arrangement LGP    
1176 kg (2593 lb)    
C-Frame XL    
1059 kg (2335 lb)    
C-Frame LGP    
1282 kg (2826 lb)    
Lift Cylinder (1)    
59 kg (130 lb)    
Angle Cylinder  (2)    
104 kg (229 lb)    
Tilt cylinder Gp    
81 kg (179 lb)    
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( 1 ) The weight is for each lift cylinder.
( 2 ) The weight is for each angle cylinder.

Installation Of Bulldozer

Necessary Parts

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Table 2
338-3521 Power Angling C-Frame Gp  (1)
338-3522 Power Angling C-Frame Gp  (2)    
Item     Part Number     Description     Qty    
1     107-8126     Bearing     2    
2     110-3269     Bulldozer Lift Cylinder Gp     2    
    134-6775     Cylinder Pin Gp (3)     1    
3     190-5328     Pitch Link Gp     1    
    220-0897     Lift Cylinder Lines Gp (4)     1    
4     242-5055     Film     2    
    321-5602     Power Angling C-Frame Gp (1) (5)     1    
321-5603 Power Angling C-Frame Gp (2) (5)     1    
5     321-7048     Angling Cylinder Gp     2    
    322-9584     Angle and Tilt Lines Gp (1) (6)     1    
322-9585 Angle and Tilt Lines Gp (2) (6)     1    
6     328-4267     Tilt Cylinder Gp     1    
7     109-0959     Ring     4    
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( 1 ) Frame group for XL machines
( 2 ) Frame group for LGP machines
( 3 ) Listed in Table 4
( 4 ) Listed in Table 5
( 5 ) Listed in Table 3
( 6 ) Listed in Table 7
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Illustration 1g01917114

338-3521 Power Angling C-Frame Gp

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Table 3
321-5602 Power Angling C-Frame Gp  (1)
321-5603 Power Angling C-Frame Gp  (2)    
Item     Part Number     Description     Qty    
8     124-5235     Shim     6    
9     8T-4123     Plated Washer     24 (3)    
10     7X-2562     Bolt     5    
11     104-7391     Cap     1    
12     160-5691     Pin     1    
13     161-2113     Spacer     1    
14     145-0803     Pin     1    
15     4Y-4905     Washer     6    
16     8G-5747     Spacer     6    
17     8T-1482     Hard Washer     4    
18     089-8249     Spacer     2    
19     104-4817     Pin     1    
20     104-7434     Retainer     1    
21     105-2058     Bracket As     1    
22     110-5217     Plate     2    
23     110-5218     Plate     2    
24     124-5234     Retainer     4    
25     124-5741     Pin     4    
26     298-2764     Bolt     4    
27     104-4746     Dowel     2    
28     108-5794     Pipe Plug     4    
29     109-0958     Pin     2    
30     8T-4139     Bolt     12    
31     321-5604 (1)     Frame As     1    
321-5599 (2) Frame As     1    
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( 1 ) C-Frame for XL machines
( 2 ) C-Frame for LGP machines
( 3 ) The item only requires three at final assembly. An Additional amount of the quantity is used during the assembly process.
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Illustration 2g01917117

321-5602 Power Angling C-Frame Gp

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Table 4
134-6775 Cylinder Pin Gp    
Item     Part Number     Description     Qty    
32     3G-8932     Pin     2    
33     4T-0231     Retainer     2    
34     8T-4956     Bolt     2    
35     8T-4223     Hard Washer     2    
36     4J-0805     Washer     6    
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Illustration 3g01917118

134-6775 Cylinder Pin Gp

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Table 5
220-0897 Lift Cylinder Lines Gp    
Item     Part Number     Description     Qty    
37     294-9969     Bracket As     2    
38     314-9391     Tube As     2    
39     314-9392     Hose As     2    
40     148-8341     Connector As     2    
41     148-8347     Elbow As     2    
42     220-0906     Hose As     2    
43     6V-9746     O-Ring Seal     2    
44     8T-1887     Clip     2    
45     8T-1888     Clip     2    
46     8T-4121     Hard Washer     4    
47     8T-4133     Nut     2    
48     8T-4136     Bolt     2    
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Illustration 4g01917122

220-0897 Lift Cylinder Lines Gp

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Table 6
235-5000 Angling Blade  (1)
235-5001 Angling Blade  (2)    
Item     Part Number     Description     QTY    
49     3B-8489     Grease Fitting     2    
50     3G-8932     Pin     2    
51     4T-0231     Retainer     2    
52     8E-9380 (1)     Bit and Cutting Edge Gp     1    
4T-2314 (2) Bit and Cutting Edge Gp     1    
53     8G-5747     Spacer     4    
54     089-8249     Spacer     4    
55     104-4817     Pin     2    
56     104-7434     Retainer     2    
57     197-6440     Bearing     1    
58     376-6434     Retainer     1    
59     296-5099 (1)     Angling Blade     1    
296-5100 (2) Angling Blade     1    
60     7X-2562     Bolt     4    
61     8T-4223     Hard Washer     2    
62     8T-4956     Bolt     2    
63     9X-8271     Bolt     10    
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( 1 ) Blade arrangement for XL machines
( 2 ) Blade arrangement for LGP machines
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Illustration 5g01917123

235-5000 Angling Blade

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Table 7
322-9584 Angle and Tilt Lines Gp  (1)
322-9585 Angle and Tilt Lines Gp  (2)    
Item     Part Number     Description     Qty    
64     112-7455 (1)     Hose As     2    
65     197-2477     Pin     2    
66     262-0649 (1)     Hose As     2    
67     292-9380     Guard As     1    
68     294-5374     Plate     2    
69     294-7277     Guard As     2    
70     294-7278     Plate     2    
71     295-2151     Channel As     1    
72     295-2152     Channel As     1    
73     306-8866     Baffle As     2    
74     324-0566 (1)     Plate     2    
75     096-7033     Cotter Pin     2    
76     148-8340     Connector As     4    
77     148-8364     Elbow As     2    
78     3B-6552     Pipe Elbow     2    
79     3B-8489     Grease Fitting     10    
80     5P-7464     Clip     2    
81     5P-7465     Clip     2    
82     5P-7466     Clip     6    
83     5P-7467     Clip     6    
84     5P-8112     Grommet     6    
85     6V-1249     Grommet     2    
86     6V-7687     Locknut     6    
87     6V-8398     O-Ring Seal     6    
88     7G-3832     Grommet     2    
89     7G-3833     Clip     2    
90     7G-3834     Clip     2    
91     7X-7729     Washer     4    
92     7Y-1858     Washer     2    
93     8T-4121     Hard Washer     8    
94     8T-4133     Nut     4    
95     8T-4136     Bolt     8    
96     8T-4139     Bolt     10    
97     8T-4183     Bolt     2    
98     8T-4184     Bolt     6    
99     8T-4192     Bolt     2    
100     8T-4194     Bolt     1    
101     8T-4223     Hard Washer     23    
102     8T-4244     Nut     2    
103     197-2479     Hose As     2    
104     310-1502 (1)     Hose As     1    
105     114-6436 (2)     Hose As     2    
106     262-0647 (2)     Hose As     2    
107     324-3403 (2)     Plate     1    
108     324-3404 (2)     Plate     1    
109     324-9469 (2)     Plate     2    
110     198-4778 (2)     Hard Washer     4    
111     8T-4182 (2)     Bolt     4    
112     310-1503 (2)     Hose As     2    
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( 1 ) Angle and tilt lines group for XL machines
( 2 ) Angle and tilt lines group for LGP machines
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Illustration 6g01917124

322-9584 Angle and Tilt Lines Gp

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Illustration 7g01918763

322-9585 Angle and Tilt Lines Gp

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Table 8
Parts Needed for Assembly Only.    
Item     Part Number     Description     Qty    
A     7X-2568     Bolt     3    
B     2S-7612     Spacer     3    
C     9U-5986     Eyebolt     1    

Bulldozer V-PAT Installation

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Illustration 8g01914757

  1. Loosen four bolts (26) on block assembly (21). The block assembly is located on the inside of the front C-frame (31). Remove two spacers (23) .
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    Illustration 9g01914761

  1. Reposition spacers (23) in front of block assembly (21) .

  1. Tighten four bolts (26) hand tight.
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    Illustration 10g01914762

  1. Remove pin retainer (20) and pin (19) from block assembly (21) .
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    Illustration 11g01914763

  1. Remove the pitch link assembly (3) from the block assembly (21) and C-frame (31) .

    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 12g01914764

  1. Remove the pin retainer (56) and pin (55) from the center bracket on the back of the blade arrangement.

  1. Install the link assembly (3) to the back of the blade. Install one spacer above the bearing and one spacer below the bearing in the link assembly. Use pin (55), retainer (56), and two bolts that were removed in Step 6.
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    Illustration 13g01914765

    Note: Install link assembly (3) with grease fitting (113) on the right-hand side.

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    Illustration 14g01914766

  1. Raise C-frame (31). Place 203.2 mm (8 inch) blocking (114) under the center of the C-frame. Lower C-frame (31) onto the blocking.
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    Illustration 15g01019494

  1. Attach a lifting device to the blade assembly.
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    Illustration 16g01914768

  1. Position the blade in front of C-frame (31) with link assembly (3) through the opening in C-frame (31).

  1. Center the bearing in the pitch link assembly (3) over the hole in the block assembly.

  1. 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.

  1. Install pin (19), retainer (20), and bolts that were removed in Step 4 in order to secure the link in the block assembly (21) .
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    Illustration 17g01914769

  1. 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 (115) in the lower bore of C-frame (31).

  1. Lower the hoist so that the spherical bearing rests on top of sleeve (115).

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

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    Illustration 18g01914770

    This illustration shows spherical bearing (57) on the back of plate for the frame group .

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    Illustration 19g01914771

  1. Lower pin (14) through the top three bores of C-frame (31) and through the spherical bearing in the blade assembly.

  1. Place pin (12) through the top two bores of C-frame (31) into the top of pin (14) .
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    Illustration 20g01914772

  1. Place all shims (8) on top of pin (12) and place cap (11) on top of shims (8). Refer to Illustration 20.
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    Illustration 21g01914773

  1. Use bolts (A), washers (9), and spacers (B) to press pin (14) into the lower sleeve. Turn bolts in equal amounts in order to press the pin into position.

    Note: During the process of pressing pin (14) into place, spacers (B) or additional washers (9) must be added to the bolts when thread depth is utilized.

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    Illustration 22g01914774

  1. Remove bolts (10), cap (11), and shims (8) .
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    Illustration 23g01914775

  1. Install lifting eye (C) in top of pin (12). Remove pin (12) from C-frame (31).

    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 (14) .

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    Illustration 24g01914776

  1. Assemble spacer (13) into C-frame (31).

    Note: Route tilt cylinder hoses between C-frame (31) and spacer (13). Refer to Illustration 21 for the position.

  1. Remove the tilt cylinder pin and two spacers from the upper right corner of the blade assembly.
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    Illustration 25g01914777

  1. Position the head end of tilt cylinder (6) into C-frame (31). Make sure that the spherical bearing is positioned on top of spacer (13) .

  1. Install pin (12), shims (8), and cap (11) on top of C-frame (31). Use bolts (A), washers (9), spacers B, and bolts (10) to seat pin (12) into C-frame (31) .

    Note: Pin (12), bolts (A), and spacers (B) are not shown in the Illustration.

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    Illustration 26g01914778

  1. Check the gap between the top of C-frame (31) and cap (11). Adjust the number of shims (8) until only one shim is totally protruding above the top face of C-frame (31) .

    Note: Make sure that there is a gap between cap (11) and the top of C-frame (31) after installing pin (12). Cap (11) may contact the top of C-frame (31) in the area under each bolt head.

  1. Remove plugs from tilt cylinder (6). Use an appropriate container to catch any oil that may drain from the cylinder.

  1. Use connectors (42, 64, and 66) and seals (87) to install hydraulic hoses on tilt cylinder (6) .
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    Illustration 27g01298627

    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 27.

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    Illustration 28g01914779

  1. Install the rod end of cylinder (6) 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 (6) .

  1. Install guard assembly (67) to tilt cylinder (6). Use bolts (99) and washers (101) .
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    Illustration 29g01298615

  1. 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.

  1. Repeat Step 31 in order to install the angle cylinder on the other side of the blade assembly.
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    Illustration 30g01914780

  1. Install clips (82 and 83) to the tilt cylinder (6) and the tilt cylinder hoses. Use bolts (99 and 100), washers (101), and grommet (84) .
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    Illustration 31g01914757

  1. Loosen four bolts (26) on the back of block assembly (21) .

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

  1. Move spacers (23) to the back side of the block assembly (21). Tighten four bolts (26) to 900 ± 100 N·m (664 ± 75 lb ft).

Removal Of Bulldozer

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Table 9
Required Tooling    
Item     Part Number     Description     Qty    
D     9U-5346     Nut     1    
E     9X-8399     Washer     1    
F     6V-3175     Double Acting Cylinder     1    
G     9U-5344     Puller Stud     1    
H     FT-1714     Wedge (1)     2    
J     3S-6224     Electric Hydraulic Pump Gp     1    
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( 1 ) This tool may be fabricated. Refer to Illustration 32 and Table 10.
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Illustration 32g01914781

Make wedges from SAE 1020 steel.

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Table 10
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)    
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Illustration 33g01914757

  1. Loosen four bolts (26) on the back of block assembly (21). Block assembly (21) is located on the back side of C-frame (31). Remove two spacers (23) .
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    Illustration 34g01914761

  1. Reposition spacers (23) in front of block assembly (21).

  1. Hand tighten four bolts (26) .

    Note: Spacers (23) may already be located in front of block assembly (21) as a result of previous adjustment.

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    Illustration 35g01914766

  1. Raise C-frame (31). Place 203.2 mm (8 inch) block (114) under the center of the C-frame. Lower C-frame (31) onto the blocking (21) .
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    Illustration 36g01914780

  1. Remove bolt (99), bolt (100), washers (101), and clamps (82) and (83) from tilt cylinder (6) .
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    Illustration 37g01914782

  1. Remove bolts (99), washers (101), and guard assembly (67) from tilt cylinder (6).

  1. Disconnect the hydraulic hose from cylinder (6). 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.

  1. Remove the bolts, the washers, the retainer, and the pin in order to free the rod end of cylinder (6) .

    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 38g01914777

  1. Remove bolts (10), cap (11) and shims (8) .
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    Illustration 39g01914775

  1. Assemble eyebolt (C) to pin (12). Use a hoist and eyebolt (C) to remove pin (12) .
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    Illustration 40g01914783

  1. Use the hoist to remove cylinder (6).
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    Illustration 41g01019494

  1. Attach a lifting device to the blade assembly. Remove any slack from the lifting equipment.
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    Illustration 42g01914776

  1. Remove spacer (13) from C-frame (31) .
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    Illustration 43g01914785

  1. Assemble stud puller (G) into the threads of pin (14) .

  1. Assemble cylinder (F), washer (E), and fast runner nut assembly (D) to stud puller (G) .

  1. Hand tighten fast runner nut assembly (D).

  1. Connect hose from hydraulic pump group (J) (not shown) to cylinder (F) .
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    Illustration 44g01914786

  1. Insert wedges (H) between the upper center bracket and the C-frame.

  1. Use the hydraulic pump and the hydraulic cylinder to raise pin (14) .

    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 45g01020203

  1. 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.

  1. Repeat Step 20 on the other side of the blade assembly.
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    Illustration 46g01914762

  1. Remove pin retainer (20) and pin (19) from block assembly (21) .

    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.

  1. 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

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Table 11
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

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Table 12
Blade Arrangement    
Item     QTY     Part Number     Description    
53     1     257-8113     Angling Blade    
1 257-8156     Angling Blade (Fine Grading)    
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Illustration 47g02280815

Working position

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Illustration 48g02281519

Transportation position

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

Procedure to Fold the Blade

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    Illustration 49g02283793

  1. Unlock the removable side of the blade.

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

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

    1. Pull out bar (2) after having removed both of the retention cotter pins.
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    Illustration 50g02283814

  1. 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 51g02283840

  1. Place bar (2) and pins (1) as shown in Illustration 51 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 52g02295654

  1. Remove right-hand pins (3) from each link. Refer to Illustration 52 for the correct pins to remove.
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    Illustration 53g02295673

    Left-hand side pin placement

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    Illustration 54g02295693

    Right-hand side pin placement

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

  1. 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 53 and 54 for the transportation position for the links.

  1. Insert the left-hand pin as shown in Illustration 53.

  1. Insert the right-hand pin as shown in Illustration 54.

  1. 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 55g02296596

    Left-hand side pin placement

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    Illustration 56g02296614

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

  1. 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 57g02283840

  1. Remove pins (1) and bar (2) in order to unlock the removable side of the blade.
    Show/hide table

    Illustration 58g02283814

  1. 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.
    Show/hide table

    Illustration 59g02283793

  1. Lock the removable side of the blade.

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

    1. Install pins (1) in order to secure the blade in the working position.
    Show/hide table

    Illustration 60g02296673

  1. 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.

  1. Insert the pins in order to lock the links and the blade in working position. Refer to Illustration 60 for the correct location of the links.

Information System:

C13 Engines for Caterpillar Built Machines Catalyst - Remove and Install - Diesel Oxidation Catalyst, Clean Emissions Module
D6T Track-Type Tractor Hydraulic System Pressure Taps
C13 Engines for Caterpillar Built Machines Diesel Particulate Filter - Remove and Install - Clean Emissions Module
C13 Engines for Caterpillar Built Machines Flame Detection Temperature Sensor - Remove and Install - Clean Emissions Module
D5R Track-Type Tractor Power Train Track Roller Frame
834H Wheel Dozer and 836H Landfill Compactor Machine Systems Push Arms and Blade - Install
834H Wheel Dozer and 836H Landfill Compactor Machine Systems Push Arms and Blade - Remove
C13 Engines for Caterpillar Built Machines Pressure Sensor (DPF) - Remove and Install - Differential Pressure, Clean Emissions Module
2009/06/29 New Hardware is Available for Certain Wheel Tractor-Scrapers Draft Frames {6204, 7000, 7960}
C15 and C18 Industrial Engines Nozzle Heater Harness - Remove and Install
C13 Engines for Caterpillar Built Machines Fuel Manifold (ARD) - Remove and Install - Clean Emissions Module
C13 Engines for Caterpillar Built Machines Air Control Valve - Remove and Install - ARD Combustion, Clean Emissions Module
C13 Engines for Caterpillar Built Machines Temperature Sensor (DPF) - Remove and Install - Clean Emissions Module
Oversized Injector Sleeves for Remanufactured Cylinder Heads On Medium Sized Engines{1100, 1101, 1125}
Installation of Ripper (3TP){6310}
2009/10/29 A New Bowl for the Fuel/Water Separator Is Used {1261, 1263}
Improved Method for Installing the Actual Gear Position Sensor {1439, 3061}
2009/05/04 Improved Installation Procedure for the Heater Cable {7304}
C9.3 Engines for Caterpillar Built Machines Exhaust Manifold - Remove and Install
C13 Engines for Caterpillar Built Machines Muffler - Remove and Install - Clean Emissions Module
C13, C15, and C18 Tier 4 Interim Engines Injector Solenoid - Test
C9.3 Engines for Caterpillar Built Machines Fuel Injection Pump - Test
D6T Track-Type Tractor Hydraulic System Operational Checks
D6T Track-Type Tractor Systems Piston Pump (Implement) - Test and Adjust