TIP (SYMMETRICAL) 4T4302 - 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 g01341462
Support crankshaft (1) on a suitable stand.
Remove allen head screws (2) from crankshaft timing ring (3). Do not reuse the allen head screws.
Carefully remove crankshaft timing ring (3) from crankshaft (1). Do not reuse the crankshaft timing ring. Note: Ensure that seal surface (4) of the crankshaft is not damaged when the crankshaft timing ring is removed.Note: Do not remove dowel (5) from crankshaft (1) 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 flange for the crankshaft timing ring on the crankshaft is clean and free from damage.
Support crankshaft (1) on a suitable stand.
Illustration 2 g01341462
If dowel (5) was removed, install a new dowel to crankshaft (1).
Ensure that the threaded holes crankshaft (1) are clean and free contaminates.
Position new crankshaft timing ring (3) on the crankshaft with the teeth toward the crankshaft web. Align the hole in crankshaft timing ring (3) with dowel (5) in the crankshaft. Carefully install crankshaft timing ring (3) to crankshaft (1). Note: Ensure that seal surface (4) on the crankshaft is not damaged when the crankshaft timing ring is installed.
The new allen head screws (2) must be Microencapsulated Anaerobic Sealant (MEAS) type allen head screws. Install new allen head screws (2). Tighten the allen head screws to a torque of 15 N m (133 lb in). End By:
Install the crankshaft. Refer to Disassembly and Assembly, "Crankshaft - Install " for the correct procedure.