CRANKSHAFT 4M0447 - Caterpillar

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Note: The bucket should be level and the bucket should be under no pressure when the pin assemblies are removed.
Remove bolts (5) and washers (4) from the pin assemblies on each of the arm and bearing assemblies.
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Install a suitable support under arm and bearing assembly (6) in order to support the arm and bearing assembly when the pin assemblies are removed.
Use Tooling (B) in order to remove all four collet assemblies (7) .
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Loosen bolts (8) at the end of both arm and bearing assemblies (6) .
Use Tooling (C) in order to remove both pin assemblies (9) from the arm and bearing assemblies.
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Attach a suitable lifting device in order to remove bucket (10) .
Remove the bucket. The weight of the standard bucket is 1680 kg (3704 lb).Installation Procedure
Table 2
Required Tools    
Tool    Part Number    Part Description    Qty    
D     5P-0960     Molybdenum Grease     1    
E     4C-5598     High Temperature Anti-Seize     1    
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Attach a suitable lifting device in order to install bucket (10) .
Place the bucket into position. The weight of the standard bucket is approximately 1680 kg (3704 lb).
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Note: Lubricate the lip seals in the arm and bearing assemblies. Lubricate the lip seals lightly with the lubricant that is being sealed. Coat the bores for the pin assemblies with Tooling (D) .
Install pin assemblies (9) in arm and bearing assemblies (6) with the filler plugs to the top. Verify that the pin assemblies and arm and bearing assemblies are in the center of the bosses on the bracket of the bucket. Tighten bolts (8) to a torque of 270 25 N m (199 18 lb ft).
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Put Tooling (E) on the inside and outside diameters of collet assemblies (7). Install all four collet assemblies (7) .
Put Tooling (E) on the threads of bolts (5). Install Washers (4) and bolts (5) on the pin assemblies in each arm and bearing assembly. Tighten bolts (5) to a torque of 620 80 N m (457 59 lb ft). Hit the bolts with a hammer in order to reduce the torque on the bolts below 350 N m (258 lb ft). Tighten the bolts again to a torque of 620 80 N m (457 59 lb ft). Hit the bolts with a hammer again in order to reduce the torque on the bolts below 500 N m (369 lb ft). Tighten the bolts to a final torque of 620 80 N m (457 59 lb ft).
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Note: Lubricate the lip seals in the lift link and bearing assembly. Lubricate the lip seals lightly with the lubricant that is being sealed. Coat the bores for the pin assembly with Tooling (D) .
Use a suitable lifting device in order to lift link and bearing assembly (1) into position. The weight of lift link and bearing assembly (1) is approximately 55 kg (120 lb). Install the spacer, the washer,