Friday, February 15, 2013

Cam housing rebuild

Rebuilding the Cam section is very simple and straight forward. All the pieces go right were you think they go.




I should have have the tap screw and nuts zink plated. I didn't think about it at the time.
I painted the 8 arms black and also the edges of the arm bases since they are visible. I could not zink plate these pieces because they are partly internal to the engine. I didn't want zink bits wearing off and falling into the engine.



A warning when you clean the cam housing... there is a copper oil tube that goes from the base of the housing to the far end. This tube has holes along it. Oil is pumped up and through the tube where it drips down onto the cam. If you have the cam housing vapor blasted or blasted some other way, the holes must be plugged up tight or grit will get into the tube.
I went to Colins Chemical Blacking. They didn't plug the holes so I had to used compressed air to remove the grit.
Next time I will go to I Cleenz Macheenz (http://www.icmhome.org.uk/).



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