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Cummins N14 STC, Celect, Celect Plus – Service Manual 001-023   Crankshaft Seal, Front

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The front crankshaft seal requires the Crankshaft Seal Replacer Kit, Part Number 4919704, for seal removal and installation.

  • Use three of the damper mounting capscrews to secure the top plate, Part Number ST-1259-1 (from oil seal puller/installer, Part Number 4919704), to the front of the crankshaft.
  • Install the drill pilot, Part Number 3375496, into one of the 1/4-inch holes in the top plate, Part Number ST-1259-1.

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  • Insert a Number 31 [0.120-inch] drill bit into the drill pilot, and drill a hole through the seal casing.
  • Remove the drill pilot, and repeat the same procedure in the two remaining holes in top plate, Part Number ST-1259-1.

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  • Install three seal puller screws, Part Number ST-1259-6, into the plate. Tighten the screws until the shoulder on the screw contacts the seal casing.
  • Remove the three damper mounting capscrews from the puller plate.

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  • Install the center puller screw in the plate. Continue to turn the center screw clockwise until the seal is removed from the gear cover.

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Last Modified:  04-Oct-2011
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