ALTERNATOR GP-CHARGING 3783276 - Caterpillar

Removal Procedure
Start By:
Remove the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Remove " for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03010798
Support crankshaft (4) on a suitable stand.
Remove Torx screws (1) from crankshaft timing ring (2). Do not reuse the Torx screws.
Carefully remove crankshaft timing ring (2) from crankshaft (4). Note: Ensure that the seal surface on adaptor (5) is not damaged when the crankshaft timing ring is removed.Note: Do not remove dowel (3) from the crankshaft unless the dowel is damaged.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the teeth of the crankshaft timing ring are clean and free from damage.
Support crankshaft (4) on a suitable stand.
Illustration 2 g03010798
If dowel (3) was removed, install a new dowel to crankshaft (4).
Position crankshaft timing ring (2) onto the crankshaft with the chamfer toward the crankshaft web. Align the hole in crankshaft timing ring with dowel (3) in the crankshaft. Carefully install the crankshaft timing ring to the crankshaft. Note: Ensure that the seal surface on adaptor (5) is not damaged when the crankshaft timing ring is installed.
Install new Torx screws (1). Tighten the Torx screws to a torque of 10 N m (89 lb in). End By:
Install the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Install " for the correct procedure.