Removal Procedure
- Spark Plug Replacement - Remove[4x]
- Hydraulic Valve Lash Adjuster Arm Replacement - Remove
Install the 2 EN-50717-1 stands (1, 4) to the cylinder head and fix them with the screws (5, 6).
- Install the 2 EN-50717-3 rods (2) to the EN-50717-1 stands (1, 4).
- Install the EN-50717-2 compressor (3) to the EN-50717-3 rods (2).
- Plug the injector bores, using the EN-51511 plug.
- Install a suitable air pressure adapter to the spark plug hole.
- Apply air pressure to the corresponding cylinder.
- Position the EN-50717-2 compressor (3) so that its adapter properly contacts the valve spring retainer then pretension the compressor.
- WARNING:
Valve springs can be tightly compressed. Use care when removing the retainers and plugs. Personal injury could result.
NOTE:Mark all components to ensure they are returned to their original location upon installation.
Apply pressure to the EN-50717-2 compressor to push down the vale spring retainer (1) and compress the valve spring (3) until the valve keys (2) are free from tension.
- Carefully remove the valve keys (2).
- Release the tension from the EN-50717-2 compressor.
Remove the valve spring retainer (2) and the exhaust valve spring (1) or intake valve spring (3).
Using EN-46116 remover (1), remove and DISCARD the valve stem oil seal (2).
To keep the valve seated in the valve seat, ensure that air pressure is always applied to the combustion chamber of the treated cylinder.