C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Crankshaft Front Seal - Remove Caterpillar


Crankshaft Front Seal - Remove
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1.1. Removal Procedure for the Front Oil Seal that is Installed in the Engine
2.1. Removal Procedure for the Front Oil Seal from a Disassembled Front Cover

Removal Procedure for the Front Oil Seal that is Installed in the Engine

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1U-8145  Drill Bit 
1U-7600  Slide Hammer Puller Gp 

Start By:

  1. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.




    Illustration 1g00827263
    typical example

  1. Use Tooling (A) and carefully drill three evenly spaced holes (1) in crankshaft front seal (2).


    Illustration 2g01037807
    Typical example

  2. Carefully remove the crankshaft front seal by alternating the position of Tooling (B) from one hole to another hole. This will allow you to evenly remove the crankshaft front seal from housing (3).

    Note: Do not damage the flange of the crankshaft during the removal process of the crankshaft front seal.


NOTICE

Ensure that the main lip is used in order to remove the crankshaft front seal. Do not damage the edge of the housing for the crankshaft front seal.


Removal Procedure for the Front Oil Seal from a Disassembled Front Cover

Start By:

  1. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley - Remove and Install".

  2. Remove the housing (Front). Refer to Disassembly and Assembly, "Housing (Front) - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.


  1. If the front cover has been removed from the engine, use a suitable hydraulic press in order to remove the oil seal from the front cover. Ensure that the front cover is supported correctly in order to prevent damage to the cover while the oil seal is being removed.


NOTICE

Ensure that the main lip is used in order to remove the crankshaft front seal. Do not damage the edge of the housing for the crankshaft front seal.


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