Head pressure
hotpop,
The only things that I can recall are to make sure that the head is level (less binding on the posts) and that the corner posts are clean and lightly greased (lithium grease I think).
Also if I recall correctly, I think you can squeak by with 60 pounds or so of pressure - so you should really be okay. Not sure why you are getting the error unless you have a short somewhere. Maybe that Al fellow can say more!
Ken,
V-1, 2, & 3
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