HELP – Does this screw in or slide through but is threaded? – Photo Attached now!

This topic has 7 replies, 4 voices, and was last updated 10 years, 2 months ago by Bass Cat Boats.

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April 2, 2016 at 3:45 pm #433542

shastss
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I am sure everyone is currently out fishing on a glorious weekend such as this, and I would too, but started to pull the boat out of the shop and my swing away tongue gave up. So my question is, …. there is a large bolt on the pivot side, See the picture it has sheared off. Does that bolt thread through all three pieces ( seems unlikely) or does it just slide in through all three pieces of steel. I have turned on the upper portion with a breaker bar, it squeaks but does not rise out of the hole, I have pounded on the lower portion in both direction and it does not move. I have heated the lower portion and pounded some more. No Joy. Just need to know what I am dealing with here, Threads or no threads?2003 Cougar FTD DCThanks, Steve Last edited by shastss on April 2nd, 2016, 9:17 pm, edited 4 times in total.

April 2, 2016 at 7:27 pm #433548

jbassertn
Participant

your welcome id poss try drilling it but poss its a Hardin bolt will either end move

April 2, 2016 at 7:57 pm #433549

Redngoo
Participant

Im a machinist. It can be drilled. Though a hss drill wont do it if it is a grade 8. Though keep in mind step drill to close size of the bolt will release it.unless you kneel the bolt A carbide tip drill or cobalt will be required. I understand heating the bosses makes it swell. Though remember it take away the integrity of the metal. Your in a pill and sometimes a person had got to do wat he has to do though! I fool with this kind of salvage work on a daily basis and work with some of the hardest bolts Ive ever seen. Though Im betting it a grade 5.. one thing I can suggest is to heat just the head of the bolt and let it cool sometimes this will shrink the bolt enough to free it2013 PANTERA 2MERCURY 200 PRO XSMINNKOTA 80LB FORTREX25 fury

April 2, 2016 at 9:26 pm #433550

shastss
Participant

So I added a second photo of the mostly finished product. Need to clean it up and paint it now. So I just came back to the computer and saw the other responses. Heres what I did. The top boss with the bolt head still on it, I knew I could turn it …sqeeeeeeeeak! But I shot pblaster in and let is set then started heating with a propane torch, then with my breaker bar and socket on that head i moved it back and forth and got it freer slowly and eventually was able to quickly tap it out with a punch from below. Now I had the top hole open so I could slide a punch down through the hole and get a square hit on the piece that had the nut and threads on it in the bottom boss and heated it and was able to get a good crack on it but not before I took my grinder and removed some flaring that had occurred when it broke. Finally the middle boss was the real pain in the butt. I heated it and tried and tried, with a 4lb then 6lb sledge and no joy. So I started drilling. Sucessive smaller to larger wholes with the final bit being the same size as the bolt. Got it all rust free, aligned and the bolt drops right in. Since the day is shot, on to project 2 and 3… re-weld(grind out and weld) the arm that you see in the second picture to the left that holds the roller that the bow travels onto. The front weld is cracking and showing rust. Then a fresh bleed on the breaks.Last edited by shastss on April 2nd, 2016, 9:32 pm, edited 2 times in total.

April 2, 2016 at 9:54 pm #433551

Redngoo
Participant

I would add neverseize to the bolt. This will prevent seizing up again2013 PANTERA 2MERCURY 200 PRO XSMINNKOTA 80LB FORTREX25 fury

April 4, 2016 at 2:57 pm #433552

shastss
Participant

It actually does not thread through, Just acts as a pin, not really sure of the specs as to why a bolt was used but it appears to be a #5 Hardness so I used marine bearing grease, but thank you I forgot to mention this on reassembly.

April 4, 2016 at 4:48 pm #433553

Bass Cat Boats
Keymaster

Bcb advises lubrication of the pivot points. I use to use grease. Now I use neverseize.2013 PANTERA 2MERCURY 200 PRO XSMINNKOTA 80LB FORTREX25 fury

April 4, 2016 at 5:28 pm #433554

Bass Cat Boats
Keymaster

Glad you got it wrangled!
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