RETAINER 1342651 - Caterpillar

Removal Procedure
Start By:
Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".
Remove the front cover. Refer to Disassembly and Assembly, "Front Cover - Remove". Note: Rotate the crankshaft until the timing marks on the crankshaft gear, the camshaft gear, and the idler gear are aligned.
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Typical example
Remove bolts (1) from idler gear (2).
Remove idler gear (2) and spacer (3).
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Typical example
Use a suitable puller to remove crankshaft gear (4) from crankshaft (5). Note: Do not use a flame on the crankshaft gear for removal purposes.Note: Be careful not to scratch the surface of the bearing journal.Installation Procedure
Illustration 3 g00556666
Typical example
Heat crankshaft gear (4) in an oven to 180 °C (356 °F).
Install crankshaft gear (4) on crankshaft (5) with the timing marks toward the front.
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Typical example
Install spacer (3) and idler gear (2).
Install bolts (1) on idler gear (2). Tighten the bolts to a torque of 44 N m (32 lb ft). Note: Ensure that the timing marks on the crankshaft gear, the camshaft gear, and the idler gear are aligned.
Refer to Disassembly and Assembly, "Gear Group (Front) - Install" for the correct alignment of the idler gear. End By:
Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Install".
Install the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".