C3.3 Industrial Engine Caterpillar


Inlet and Exhaust Valve Guides - Remove and Install

Usage:

C3.3 E3K

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
157-3722  Valve Guide Driver 

Start By:

  1. Remove the inlet valves and the exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".


NOTICE

Removal and installation of the valve guide and valve seat must be carried out by personnel with the correct training. Also special machinery is required. For more information, refer to your authorized Caterpillar dealer.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 1g01380892

  1. Use Tooling (A) in order to remove valve guides (2) (not shown) from cylinder head (1).

  2. Repeat the Step 1 for the remaining valve guides.

Installation Procedure

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
157-3722  Valve Guide Driver 
9U-6220 Stop Collar 
157-3720  Valve Seat Cutter 


NOTICE

Removal and installation of the valve guide and valve seat must be carried out by personnel with the correct training. Also special machinery is required. For more information, refer to your authorized Caterpillar dealer.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


  1. Clean the parent bores in the cylinder head for the valve guides.


    Illustration 2g01380902

  2. Lubricate a new valve guide (2) and place the valve guide in position. Carefully tap the valve guide in order to start the installation. Use Tooling (A) to install the valve guide into the cylinder head.

  3. Repeat Step 2 for the remaining valve guides.


    Illustration 3g01383769

  4. Check Protrusion (X) of valve guides (2). The valve guides should protrude 12.500 ± .15 mm (0.492 ± 0.006 inch) above the valve spring recess. Refer to Specifications, "Cylinder Head Valves" for more information.

  5. After installation of valve guides (2), the valve guides must be reamed and the valve seat inserts must be cut to the finished diameter. Follow Steps 5.a through 5.d in order to ream the valve guides and cut the valve seat inserts.

    1. Lubricate the bores of valve guides (2) with clean engine oil.

    2. Use Tooling (B) in order to ream the valve guides. Ensure that even pressure is applied to Tooling (B).

    3. Use Tooling (B) in order to cut the valve seats. Ensure that even pressure is applied to Tooling (B).

    4. Ensure that the cylinder head is clean and free from machining debris.

  6. Check the finished diameter of valve guides (2). Refer to Specifications, "Cylinder Head - Valves" for more information.

  7. Check the depths of the valves below the face of the cylinder head. Refer to System Operation, Testing and Adjusting, "Valve Depth - Inspect" for more information.

End By:

  1. Install the inlet valves and the exhaust valves. Refer to this Disassembly and Assembly Manual, "Inlet and Exhaust Valves - Remove and Install".
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.