with 60138 In for Valve & Piston Examination. As can be seen, the Piston Head could be pushed out at the front of the cylinder without splitting the Crosshead from the Piston Rod. A boon for Shed Fitters when cleaning/renewing Rings. Note also that one stud is missing for the front cylinder cover, a quite regular occurrence when slackening the nuts. Fact is, I'm surprised that we can only see one missing!