Special Tools

For equivalent regional tools, refer to Special Tools.

Note: Consider the appropriate screwing on points for the EN-6215-5.

1. Fit EN-6215-5 side mounts  (1) for EN-6215-4 assembly device .



2. Install EN-6215-4 assembly device  (1).



3. The spark plug threads must be cleaned of combustion residues to ensure that the counterhold can be attached correctly. Insert tap M14 x 1.25 (1) in the spark plug thread and screw in evenly.
4. Turn the cylinder head baseplate.

Note: There are 2 kinds of counter holder. Type A and type B. Choose the correct type for the existing combustion chamber.

5. Install the counter holder.




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

6. Counter holder type A (1).




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

7. Counter holder type B (1).



8. Install the EN-6167 fixing tool  (1). Attach the EN-6215-3 mounting equipment  (3) with safety lock pins. Install the fixing bolts (2). Turn the cylinder head baseplate again.



9. To ensure that no special tools are damaged during the disassembly of the valve wedges, the valve retainers are to release with EN-6171 release tool  (1). Put the EN-6171 release tool on the valve retainers and with a short impact of a rubber hammer all valve retainers will loose (setting behavior).




Note: The valve-spring depressing tool (1) must be positioned parallel onto the valve spring cap to ensure that neither tools nor components are damaged. Select the appropriate bore in the lever for this purpose. If the valve-spring compressor cannot be positioned parallel, the lever must be adjusted accordingly.

10. Push the depressing tool (1) down with lever until the valve spring cap is released. Remove valve cotters (2).



11. Remove the upper valve spring cap and valve springs and place them in sequence on EN-849 assembly tray .

Release the valve stem sealings by turning with EN-38122-A remover  (1) and remove from the valve guides.




12. Remove lower valve spring caps or valve rotators from cylinder head and also place on EN-849 valve box  (1).

Remove lever tool.

Turn cylinder head baseplate. Remove wooden board EN-6215 mounting equipment and counter holder if attached.

Remove all valves in sequence and place on EN-849 assembly tray  (1) in sequence.