ago, will need to be rebuilt. To tear them down, Herman used a valve
spring compressor to contract the springs and remove the keepers that
hold the springs in place. The keepers sit inside of a retainer, and in
some cases, the keepers stick inside the retainer. When the keeper sticks,
a deep socket that goes over the valve and keeper can be placed on the
retainer. The socket on the retainer can be struck with a hammer to
loosen the keeper inside the retainer, while not affecting the valve and
keeper. With the keepers out, the retainers, springs and valves can be
removed. In case these parts will be reused, they are kept in order so
that the parts can be re-installed in the same position from which they
were removed.
This pneaumatic tool compresses the valve spring, thus removing
stress from the keeper that holds the spring in place. With the
spring compressed, the keeper can be easily removed, thereby
releasing the spring.After the valves were removed from the cylinder heads, the bad news