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post #11 of 17 Old 04-30-2013
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Re: Dislodging Edson pedestal bolts

I had to do mine a couple of years back. Mine where not bolts but countersunk flat head 1/4" machine screws 6" long as I have an extender ring for the compass and engine controls. Drill the heads of, start with a very small pilot hole then a 5/16 drill to take the heads off. Invest in a good sharp/new cobolt drill, go slow and use cutting grease, don't get the head hot as it will harden and you will need to do something else. When the heads are off lift off the bezel you will now have four 1/4' pins to get out, I found a small pipe wrench worked best. WARNING WARNING do not apply any form of heat to the bolts as the pedestal is cast aluminum and will disintegrate.

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post #12 of 17 Old 04-30-2013 Thread Starter
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Re: Dislodging Edson pedestal bolts

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I had to do mine a couple of years back. Mine where not bolts but countersunk flat head 1/4" machine screws 6" long as I have an extender ring for the compass and engine controls.
I have the same set up, so in retrospect I realize the screws (not bolts) are longer than the 4 inches I originally indicated. I'm encouraged that your approach worked. Another poster recommended using an electric impact driver. I'd like to give that a shot for two reasons: a) it would be much quicker and simpler it worked; b) I'd now have a new impact driver in my tool collection! Since one of the screws came out with just (correction: a lot) of arm muscle, I'm hoping the other three are just being stubborn and a nudge from the impact driver would move them along. The risk, of course, is that the screws might break at some awkward point as dictated by Murphy's Law.
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Re: Dislodging Edson pedestal bolts

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I have the same set up, so in retrospect I realize the screws (not bolts) are longer than the 4 inches I originally indicated. I'm encouraged that your approach worked. Another poster recommended using an electric impact driver. I'd like to give that a shot for two reasons: a) it would be much quicker and simpler it worked; b) I'd now have a new impact driver in my tool collection! Since one of the screws came out with just (correction: a lot) of arm muscle, I'm hoping the other three are just being stubborn and a nudge from the impact driver would move them along. The risk, of course, is that the screws might break at some awkward point as dictated by Murphy's Law.
I tried the impact driver as well, the problem is the bolts are so long they twist, absorbing the force of the impact over their lengh. I had a mate push down on the screw driver with all his weight and I turned it with a wrench across the blade. I managed to twist it 180deg before the blade slipped.

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post #14 of 17 Old 05-02-2013 Thread Starter
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Re: Dislodging Edson pedestal bolts

FWIW--I contacted Edson about getting replacement screws. They confirmed the "drill out the heads and grab the remaining shafts with a vise grip" approach. Replacement screws are only $27 for a set of four! I asked if they were gold plated but didn't get a laugh.
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Re: Dislodging Edson pedestal bolts

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FWIW--I contacted Edson about getting replacement screws. They confirmed the "drill out the heads and grab the remaining shafts with a vise grip" approach. Replacement screws are only $27 for a set of four! I asked if they were gold plated but didn't get a laugh.
I may have spoken too soon. When I went to the website, I saw that the screws Edson is selling are 3 1/2 Phillips heads. My screws are slotted flatheads. A call back to Edson resulted in the support tech admitting he knows nothing about that type of screw. So now I have to source them myself. Sigh.
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post #16 of 17 Old 05-02-2013
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Re: Dislodging Edson pedestal bolts

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I may have spoken too soon. When I went to the website, I saw that the screws Edson is selling are 3 1/2 Phillips heads. My screws are slotted flatheads. A call back to Edson resulted in the support tech admitting he knows nothing about that type of screw. So now I have to source them myself. Sigh.
Try McMaster-Carr, I don't thnik the head crss vs straight really matters. They make it with an allen or torx also which may be much easier to extract down the road.

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post #17 of 17 Old 05-02-2013
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Re: Dislodging Edson pedestal bolts

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WARNING WARNING do not apply any form of heat to the bolts as the pedestal is cast aluminum and will disintegrate.
I was about to suggest heat from a butane torch (my favorite boat tool) when I read the above. I believe if the heat is properly modulated it could help.

I used heat on the mounting plate for my mast mounted halyard winch, which is made of aluminum, to remove the stainless steel screws, which were threaded and frozen into the aluminum plate.

Initially I could not move these screws at all. I tried PB-Blaster, and a #3 phillips bit in my Milwaukee cordless drill.

I finally safely removed 4 of the 5 screws (number 5 was already buggered and snapped) using heat... #5 came out with the liberal use of a ball peen hammer.


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