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Cylinder Head Assemble

Cylinder Head Assemble



Special Tools

• EN-958 Installer for 5 mm (0.2 in) Valve Stem Sealings

• EN-6086 Basic Kit, Spring and Wedge Replacer

• EN-6167 Counter Holder

• EN-6215-3 Locking Pin


For equivalent regional tools, refer to Special Tools .



1.
Note

Condition: All construction units are cleaned and checked. The cylinder head is installed on the assembly fixture and stands on the head.


Note

Depending upon the combustion chamber organization, different holders must be used to protect the valves.


Counter holder type A (1).


2. Counter holder type B (1).


3. Coat all valve guides and valves with oil and install them in the cylinder head in sequence. Install the counter holder. For different combustion chambers you have to use the correct counter holder to safe the valves.

4. Install the counter holder EN-6167-1 holder (1). Fasten the EN-6215-3 locking pins (3) with safety lock pins. Fasten the holding screws (2). Turn the cylinder head baseplate again.


5. Install the valve stem sealings (1) with the appropriate tools (2) carefully.

For 5 mm (0.2 in) use the EN-958 installer.


6.
Note

It is necessary that the components of the assembly head are built together in correct sequence.


Attach the valve springs and valve retainers into the cylinder head in sequence.

The respective sizes are hit on the head of the thrust pieces.

7.
Note

The combinations of admission and thrust piece are to be kept compellingly, since otherwise the valve wedges can not be installed or the thrust pieces will damaged.

The combinations of admission and thrust piece are to be inferred from the overview.


Push the fixing case (1) downward and install the valve wedges in the assembly head. Now push the fixing case upward, through this procedure the valve wedges are fixed.

Attach assembly head to lever EN-6086 .


8.
Note

To facilitate the assembly of the valve shim, the assembly head is to touch down (1) with the thrust piece on the valve stem. This avoids damage of the thrust pieces.


Adjust (align) the lever tool until the assembly head is positioned perpendicularly over the valve.

Press the assembly head with the lever tool carefully and slowly with little pressure until the valve wedges engage audibly into the valve stem.


9. Remove the lever tool (1) and lateral took up.


10.
Note

After the assembly of all attachments the cylinder head is to be cleaned thoroughly.


Remove the counter holder (1).

Detach the cylinder head from the assembly fixture.