Re: Manifold Drain Tube
Posted by HH56 On 2016/11/4 10:21:26
Here is an illustration of what Fred described. The ball is in the wider retainer and seat piece at the bottom of the tube. Without something for the ball to seat against there could be no possibility of the ball sealing sufficiently to avoid a vacuum leak.
The illustration is from a later service counselor article instructing mechanics on how to install the drain on a different engine. If yours is missing, I doubt you will find the retainer and ball available NOS but just in case Fred has something here are the part numbers.
If nothing is left of the original assy I wonder if a modern low threshold operating pressure check valve could be used. McMaster has a couple that might be possibilities. Other places have fuel line check valves that might also work.
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The illustration is from a later service counselor article instructing mechanics on how to install the drain on a different engine. If yours is missing, I doubt you will find the retainer and ball available NOS but just in case Fred has something here are the part numbers.
If nothing is left of the original assy I wonder if a modern low threshold operating pressure check valve could be used. McMaster has a couple that might be possibilities. Other places have fuel line check valves that might also work.
Attach file:
(41.41 KB)
(35.34 KB)
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