STRIP-UPPER 6B8458 - Caterpillar

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Start the engine. Raise circle assembly (20). Position bracket assembly (8) onto Tooling (B) and suitable blocking. Lower circle assembly (20) in order to position circle assembly (20) onto bracket assembly (8). The weight of bracket assembly (8) is approximately 785 kg (1730 lb).
Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A) .
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Install spacer (19) .
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Install Tooling (D) and bolts (12) onto pin (18). Use Tooling (D) and Tooling (F) in order to install pin (18). Remove bolts (12) and Tooling (D) from pin (18) .
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Install plate (16) and bolts (15). Tighten bolts (15) to a torque of 270 40 N m (199 30 lb ft).
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Use Tooling (G) in order to measure the thickness of plate (13). Record the measurement as dimension (A). Install plate (13) and two of bolts (12). Use Tooling (H) in order to measure the distance between the surface of plate (13) and the end of pin (18). Record the measurement as dimension (B). Subtract dimension (A) from dimension (B) and record the result as the average gap.
Remove two of bolts (12) and plate (13) .
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Remove bolts (15) and plate (16). Install a thickness of shims (17) and shims (14) that is equal to the average gap +0.05 - 0.00 mm (+0.0020 - 0.0000 inch). Split the number of shims equally between both sides of the pin. Install plate (16) and bolts (15). Tighten bolts (15) to a torque of 270 40 N m (199 30 lb ft). Install plate (13) and bolts (12). Tighten bolts (12) to a torque of 270 40 N m (199 30 lb ft).
Disconnect the air supply from Tooling (A) .
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Start the engine. Extend cylinder (11). Use Tooling (C) and a suitable lifting device in order to install pin assembly (10). Install bolt (9) .
Stop the engine.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Connect the air supply onto Tooling (A) .
Repeat Step 6 through Step 16 for the opposite side.
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Remove Tooling (B) and the suitable blocking from bracket assembly (8) .
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Install guard assembly (6). Install clamps (7). Connect grease hose assembly (5). Repeat this step for the opposite side.
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Connect hose assemblies (4). Install clamps (3). Connect grease hose assembly (2) and install the connecting hardware. Connect grease hose assembly (1) and install the connecting hardware.
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Remove Tooling (A) and replace the cap on the hydraulic tank.End By: Install the blade. Refer to Disassembly and Assembly, "Blade - Install".