PLUG 0850819 - Caterpillar

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Attach a suitable lifting device to support (15).
Remove bolts (16) from support (15).
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Attach a suitable lifting device to chain case (17) and remove chain case (17) from the machine. The weight of chain case (17) is approximately 383 kg (845 lb).
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Remove bushing (20), lip-seal (19) and bearing (18) from chain case (17).Installation Procedure
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Install bearing (17) and lip-seal (19). Apply Tooling (A) on surface of bushing (20) before installing.
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Attach a suitable lifting device to chain case (17) and install chain case (17). The weight of chain case (17) is approximately 383 kg (845 lb).
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Apply tooling (B) to bolts (16). Install bolts (16) to support (15).
Remove the suitable lifting device from support (15).
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Install breather assembly (14), if necessary.
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Connect harness assembly (13).
Install pin assembly (12) and bolt (10) to hydraulic cylinder (11).
Install depth gauge (9) and the bolt.
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Install O-ring seal (8) on plate (7).
Install a piece of solder with grease onto the plate to get the shim dimensions.
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Install sprocket assembly (4). The weight of sprocket assembly (4) is approximately 25 kg (55 lb). Install the plate (7) and bolts without any shims. Tighten bolts (5) to a torque of 240 41 N m (177 30 lb ft). Then, remove the bolts (5) and plate (7).
Measure the solder thickness. Use shims in order to maintain a clearance of 0.21 + 0.00 - 0.20 mm (0.008 + 0 .000 - 0.008 inch).
Install the shims, plate (7) and bolts (5). Tighten bolts (5) to a torque of 240 41 N m (177 30 lb ft).
Repeat Steps 11 and 13 in order to install the other sprocket assembly.
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Install tubes (2). Connect hose assemblies (3).
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Fill oil tank (1) with oil. Refer to Operation and Maintenance Manual for the correct procedure.End By:
Install the chain drive (rotor). Refer to Disassembly and Assembly, "Chain Drive (Rotor) - Remove and Install".