3500 GENERATOR SET ENGINES Caterpillar


Crankshaft Rear Seal And Wear Sleeve

Usage:

Remove Crankshaft Rear Seal And Wear Sleeve

Start By:

a. remove flywheel


NOTICE

Any time the crankshaft seal is removed from the wear sleeve, a new sleeve and seal must be installed as a set. If the old seal is put back on the sleeve, the seal will leak.


1. Make at least three holes in seal (1) with a hammer and a sharp punch.

2. Use tool (A) to remove seal (1).

3. Install tool (C) in the flywheel housing as shown.

4. Install tool (B) between tool (C) and wear sleeve (2). Turn tool (B) until the tool makes a dent (crease) in wear sleeve (2). Do this in three or more places until the wear sleeve is loose.

5. Remove tools (B) and (C), and remove wear sleeve (2) from the crankshaft.

Install Crankshaft Rear Seal And Wear Sleeve


NOTICE

The crankshaft seal and wear sleeve comes as a set and must not be separated from each other at any time. Carefully read Special Instruction, Form No. SMHS8508, that is included with each seal and wear sleeve before any handling of the seal group is made.


1. Use the following procedure to install the crankshaft rear seal and wear sleeve:

a. Clean and make a preparation of the wear sleeve inside diameter and crankshaft outside diameter with 6V1541 Quick Cure Primer. Make an application so 9S3265 Retaining Compound to the crankshaft outside diameter before the wear sleeve is installed on the crankshaft. Do not let any Quick Cure Primer or Retaining Compound get on the lip of the seal.

b. Install locator (D) and bolts (E) to the crankshaft.

c. The seal and wear sleeve must be installed dry. Make sure the seal is installed with the part number and the arrows showing crankshaft rotation toward the outside.


NOTICE

The front and rear seals and wear sleeves have different spiral grooves in the seal. Because of this type of design, the rear seal group for an engine is different from the front seal group. If a seal group is installed on the wrong side of the engine, oil can actually be taken out the engine instead of moving the oil back into the engine.


d. Put wear sleeve (2) and seal (1), as a unit, in position on locator (D).

e. Put installer (F) in position on locator (D).

f. Put clean engine oil on the face of nut (G) and its contact area on installer (F). Install nut (G) on locator (D).

g. Tighten nut (G) until installer (F) makes contact with locator (D).

h. Remove the tooling from the crankshaft.

End By:

a. install flywheel

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