cpayne(at)joimail.com
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 Posted: Sun Apr 21, 2013 9:58 am Post subject: Another Hydraulic lock tip |
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With the prop stopped at or near TDC on #1 cylinder, all the lower pistons (and rings) are close to BDC while the upper cylinders are near the top of their stroke. Does not matter whether compression stroke or not.
This position works to minimize drain down for both short and especially long term storage. All other precautions as described in the manuals should be taken as well for longer term storage.
For the M-14P series I engines and Huosai engines, I would remove the front plug on #5 and then use a wooden or AL rod to find Bottom Dead Center on #5. Doing so means #1 will be Close to it's TDC position. For M-14P Series II engines I have an quicker solution on my web site.
And as a note, I always pull through the primed cylinders (Mags off!) and open my intake drain kit before a start. My thought is that there may be a *lot* of engines out there with link pins that have been stressed at one time or another. Doesn't mean that they are going to fail but perhaps some day during a start when another slug of oil is in the wrong place at the wrong time.
Craig Payne
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