D7R Track-Type Tractor Machine Systems Caterpillar

Removal Procedure

Start By:

1. Remove the ripper tilt cylinders. Refer to Disassembly and Assembly, "Ripper Tilt Cylinder - Remove and Install".
2. Remove the ripper carriage. Refer to Disassembly and Assembly, "Ripper Carriage - Remove and Install".

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.

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Illustration 1	g00819519

Note: Ensure the support of the ripper frame with Tooling (A) .

1. Remove hose assemblies (1) and the O-ring seals from each side of ripper lift cylinder (3). Attach a suitable lifting device to ripper lift cylinder (3). The weight of ripper lift cylinder (3) is approximately 116 kg (255 lb). Remove bolts (6), plate (5), and pin assembly (4) at both ends of ripper lift cylinder (3). Remove ripper lift cylinder (3) from the machine.

2. Repeat Step 1 for the other side.

3. Remove plugs (2) from the ripper frame.

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Illustration 2	g00819261

4. Place Tooling (B) under power train guard (8). Remove bolts (7) and the washers. Lower power train guard (8) and remove power train guard (8) from ripper mounting (9). The weight of power train guard (8) is approximately 73 kg (160 lb).

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Illustration 3	g01016109

5. Install Tooling (C) in the ripper frame. Attach a suitable lifting device to ripper frame (10) at Tooling (C). The weight of ripper frame (10) is approximately 750 kg (1650 lb).

6. Remove bolts (11), plate (12), and pivot pin assembly (13) from ripper mounting (9).

7. Repeat Step 6 for the other side of ripper frame (10). Remove ripper frame (10).

Installation Procedure

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Illustration 4	g01016109

1. Install Tooling (C) in ripper frame (10). Attach a suitable lifting device to ripper frame (10) at Tooling (C). The weight of ripper frame (10) is approximately 750 kg (1650 lb). Install ripper frame (10) to the machine.

2. Install pivot pin assembly (13), plate (12), and bolts (11) in ripper mounting (9) .

3. Repeat Step 2 for the other side of the ripper frame.

4. Support the ripper frame with Tooling (A) .

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Illustration 5	g00819261

5. Use Tooling (B) to install power train guard (8). The weight of power train guard (8) is approximately 73 kg (160 lb). Install bolts (7) and the washers to power train guard (8) and ripper mounting (9) .

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Illustration 6	g00819519

6. Attach a suitable lifting device to ripper lift cylinder (3). The weight of ripper lift cylinder (3) is approximately 116 kg (255 lb). Install ripper lift cylinder (3) to the machine. Install pin assembly (4), plate (5), and bolts (6) at both ends of ripper lift cylinder (3) .

7. Install hose assemblies (1) and the O-ring seals to each ripper lift cylinder (3) .

8. Install plugs (2) in the ripper frame.

9. Repeat Steps 6 and 7 for the remaining ripper lift cylinder.

End By:

1. Install the ripper carriage. Refer to Disassembly and Assembly, "Ripper Carriage - Remove and Install".
2. Install the ripper tilt cylinders. Refer to Disassembly and Assembly, "Ripper Tilt Cylinder - Remove and Install".