Removal Procedure
Tools Required
- Disconnect the battery negative cable from the battery. Refer
to
Battery Cable Replacement
in Engine Electrical.
- Remove the valve rocker arm cover from the cylinder head. Refer
to
Valve Rocker Arm Cover Replacement
.
- Rotate the crankshaft until both valve are closed before installing
the compressed air into the cylinder being serviced.
- Remove the valve rocker arm from the cylinder head. Refer to Valve Rocker Arm and Push Rod Removal
.
- Remove the valve push rod from the cylinder head. Refer to Valve Rocker Arm and Push Rod Removal
.
- Remove the spark plugs from the cylinder head. Refer to
Spark Plug Replacement
in Engine Electrical.
- Remove the valve keepers
as followed:
7.1. | Install the J 23590
into the spark plug hole. |
7.2. | Apply compressed air into the cylinders in order to hold the valves
closed. |
7.3. | Lightly tap the valve spring retainer to loosen the valve keepers. |
7.4. | Install the J 5892-C
to the cylinder head. |
7.5. | Install the valve rocker arm bolt. |
| Important: Tighten the valve rocker arm bolt enough to hold J 5892-C
in place while compressing the valve
and valve spring assembly.
|
7.6. | Use the J 5892-C
to
compress the valve spring assembly. |
7.7. | Remove the valve keepers. |
| Important: Do not release the compressed air from the cylinder being worked on.
The valve will fall into the cylinder bore.
|
7.8. | Carefully release the spring tension and remove the J 5892-C
. |
7.9. | Remove the J 5892-C
from the cylinder head. |
- Remove the valve spring
retainer (2) and the valve spring (4) from the cylinder head.
- Remove the valve stem oil seal from the valve guide.
Installation Procedure
Tools Required
- Install the valve stem oil seal to the valve guide.
- Install the valve spring retainer and the spring.
- Use the J 5892-C
to install the valve springs and keepers
to the cylinder head.
- Install the valve keepers to the valve as follows:
4.1. | With the compressed air still applied, use the J 5892-C
to compress the valve spring assembly. |
4.2. | Install the valve keepers to the valve being worked on. Apply
a small amount of clean grease to hold the valve keepers in place. |
4.3. | Carefully release the tension on the valve spring assembly. Make
sure the valve keepers do not move while releasing the tension. |
4.4. | Remove the J 5892-C
from the valve assembly. |
4.5. | Carefully release the compressed air from the cylinder being worked
on. |
- Install the spark plugs to the cylinder head into the cylinder
being serviced. Refer to
Spark Plug Replacement
in
Engine Electrical.
- Install the valve rocker arms to the cylinder head to the cylinder
being serviced. Refer to Valve Rocker Arm and Push Rod Installation
.
- Install the valve rocker arm covers to the cylinder head. Refer
to
Valve Rocker Arm Cover Replacement
.
- Connect the battery negative cables to the battery. Refer to
Battery Cable Replacement
in Engine Electrical.