12H Motor Grader Engine Supplement Caterpillar

Removal Procedure

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.

Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.

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Illustration 1	g01020072

1. Disconnect tube assembly (1) .

2. Disconnect hose (2) .

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Illustration 2	g01020076

3. Remove bolts (8). Remove tube assembly (9). Remove bolt (10) and the clip.

4. Disconnect hose assembly (4) .

5. Loosen the clamps and slide hose (5) upward.

6. Remove clamp (3) from the turbine housing.

7. Remove bolts (7) from turbocharger (6) .

8. Remove turbocharger (6) .

Installation Procedure

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.

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Illustration 3	g01020076

1. Install turbocharger (6) .

Note: Replace bolts (7) with new bolts.

2. Apply Tooling (A) to bolts (7). Install bolts (7) on turbocharger (6). Tighten bolts (7) to a torque of 70 ± 15 N·m (52 ± 11 lb ft).

3. Install clamp (3) on the turbine housing.

4. Slide hose (5) downward and tighten the clamps.

5. Connect hose assembly (4) .

6. Install tube assembly (9). Install bolt (10) and the clip. Install bolts (8) .

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Illustration 4	g01020072

7. Connect hose (2) .

8. .Connect tube assembly (1) .