
Use clean 15W-40 oil to lubricate the entire crankshaft to
prevent rust.
Crankshaft Gear - Replacement (01-15)
Removal
Only remove the gear when the crankshaft or the gear is
damaged.
Use a puller jaw, Part No. 3375839, and gear puller as-
sembly, Part No. 3375834.
NOTE: The crankshaft gear puller kit, Part No. 3375840,
contains the gear puller jaw and the bridge assemblies re-
quired for all Cummins engine models.
Install the puller jaw and the bridge assembly. Use engine
oil to lubricate the puller jackscrew.
Caution: Do not exceed 475 N•m [350 ft-lb] of torque
when turning the jackscrew on the puller jaw.
Hold the pry bar steady. Turn the jackscrew. Remove the
gear.
Caution: Do not use a cutting torch. High temperature
will damage the gear.
Heat can be applied with caution to help remove the gear.
Use a flat chisel and a hammer to remove the key.
Use caution when removing the key to prevent crank
damage.
Cylinder Block Crankshaft Gear - Replacement (01-15)
N14 Page 1-59
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