3618 Engine Caterpillar

Crankshaft Front Seal and Wear Sleeve - Remove

Usage:

3618 2MW

Removal of the Front Seal

Start By:

Remove the vibration damper. Refer to Disassembly and Assembly, "Vibration Damper - Remove".

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

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Illustration 1	g00632876

Remove bolts (1) that attach the adapter and seal assembly (2) to the front housing.

Remove the bolts (3) that help to retain the wear sleeve onto crankshaft adapter (4) .

Install three 3/8-16 NC forcing screws in the adapter and seal assembly (2). Tighten the forcing screws evenly and remove the adapter and seal assembly (2) from the front housing.

Removal of the Front Wear Sleeve

Start By:

Remove the crankshaft front seal.

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: Two methods can be used to remove the wear sleeve. The wear sleeve can be removed from the crankshaft adapter while the adapter is attached to the crankshaft or after the adapter is removed. It is not necessary to remove the crankshaft adapter in order to remove the wear sleeve.

Removal of the Front Wear Sleeve

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	121-7700	Distorter Block	1
B	5P-7409	Sleeve Distorter	1

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Illustration 2	g00633126

After the adapter and seal assembly has been removed, use one of bolts (1) to fasten Tooling (A) to one of the holes for bolts (1) .

Insert Tooling (B) between Tooling (A) and the wear sleeve that is on crankshaft adapter (2). Use a wrench to turn Tooling (B) in order to crimp the wear sleeve.

Repeat Steps 1 and 2 several times around the outer diameter of crankshaft adapter (2) until the wear sleeve is loose. Then remove the wear sleeve.

Removal of the Crankshaft Adapter and the Front Wear Sleeve

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
A	8T-0914	Guide Pin	2

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Illustration 3	g00633114

Install Tooling (A) into the crankshaft through two holes (1) in crankshaft adapter (2) .

Remove bolts (3) that attach crankshaft adapter (2) to the crankshaft.

Slide crankshaft adapter (2) away from the crankshaft. Attach a suitable lifting device to crankshaft adapter (2) and remove the adapter from Tooling (A). The weight of the crankshaft adapter is approximately 77 kg (170 lb).

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Illustration 4	g00633017
Wear sleeve on the crankshaft adapter

Insert a sleeve distorter or a similar tool such as a screwdriver between the wear sleeve and the crankshaft adapter. Turn the tool in order to crimp the wear sleeve. Repeat this procedure several times around the outer diameter of the crankshaft adapter until the wear sleeve is loose. Then remove the wear sleeve.