GEAR & PULLEY 0874122 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install" for the correct procedure.
If the engine has a fan, remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the correct procedure.
Illustration 1 g02481028
Remove the front seal from the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.
Remove bolts (3) and bolts (4). Identify the positions of bolts of different length.
Remove front cover (1) from front housing (5).
Remove gasket (2). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Studs M8 by 70 mm 2
B 342-9206 Front Cover Alignment Tool 1
Illustration 2 g02481030
Thoroughly clean the gasket surface of the front housing.
If the original front cover is installed, follow Step 2.a through Step 2.b.
Thoroughly clean front cover (1).
Install a new gasket (2) to front cover (1). Engage Locators (Y) into the holes in the front cover.
Install Tooling (A) into Holes (X) in front housing (5).
Use Tooling (A) in order to position the front cover assembly onto the front housing.
Install bolts (3) and bolts (4) finger tight. Ensure that the bolts of different length are installed in the correct positions.
Install a new front seal to the front cover. Refer to Disassembly and Assembly, "Crankshaft Front Seal - Remove and Install" for the correct procedure.
Use Tooling (B) in order to align the front cover.
Remove Tooling (A) and install the remaining bolts.
Tighten bolts (3) and bolts (4) to a torque of 22 N m (195 lb in).
Remove Tooling (B) from the front cover. End By:
Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install" for the correct procedure.
If the engine has a fan, install the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the correct procedure.