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KBS Rust Seal.


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#1 IanC

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Posted 14 May 2022 - 06:43 AM

My K-Frame came back from the sandblasted painted in primer. Just wondering if anyone knows if you can paint KBS Rust Seal over primer. Cheers Ian.

#2 308 Sunbird

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Posted 14 May 2022 - 12:24 PM

They recommend over treated bare metal. I personally wouldn't apply over paint.

#3 sibhs

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Posted 14 May 2022 - 07:30 PM

Hi Ian, I'd keep it to bare metal only. I personally don't like it as a final coat on anything I can see.

 

Marty



#4 tuxedoss

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Posted 14 May 2022 - 09:23 PM

It really needs to go straight over the sandblasted metal , i did my K frame this way with KBS and the finish is tough as nails . They recommend not going over any primer

#5 IanC

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Posted 15 May 2022 - 07:21 AM

I have never had anything blasted. It looks like primer to me. I will contact the blaster and ask what primer it is. Shame to have to get it done again. But I do want to do as good a job as I can.https://photos.app.g...LxVGBMMCry1zF66

#6 308 Sunbird

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Posted 15 May 2022 - 09:03 AM

Hi Ian the photo looks very much like raw sandblasting to me- be interested what your blaster says.



#7 S pack

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Posted 15 May 2022 - 09:05 AM

Hi Ian the photo looks very much like raw sandblasting to me- be interested what your blaster says.

Exactly what I was thinking Stuart.
 



#8 IanC

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Posted 15 May 2022 - 09:16 AM

That's what I was hoping. I have never seen what the finish looks like. That's why I posted the picture. Thanks again Stewart and Dave. I did ask him not to prime it.

#9 S pack

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Posted 15 May 2022 - 10:03 AM

Ian, before you get too excited with the paint brush.

There is some damage to the K frame that needs fixing.

The seat for the right hand caster rod bush appears to be buckled inwards.

I'm guessing the right hand front wheel has taken a pretty hard whack in years gone by.

Perhaps why your XU1 had a standard LCA fitted to the RH side?

Attached File  LJ XU1 K frame damage.png   80.74K   11 downloads

 



#10 sibhs

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Posted 15 May 2022 - 10:14 AM

Definitely looks un painted. 

 

Again I will say DON'T KBS this stuff. It'll look shit and cause issues with fitting bushes and threads jambing.

 

I've been there and done that. Just etch it then 2K paint it. 

 

Marty



#11 IanC

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Posted 15 May 2022 - 10:43 AM

Ian, before you get too excited with the paint brush.

There is some damage to the K frame that needs fixing.

The seat for the right hand caster rod bush appears to be buckled inwards.

I'm guessing the right hand front wheel has taken a pretty hard whack in years gone by.

Perhaps why your XU1 had a standard LCA fitted to the RH side?

attachicon.gif LJ XU1 K frame damage.png

Thanks Dave.  How do I fix the seat.  are they a two piece spot welded item?.  Any help would be greatly appreciated.  And yes that was the side that has the standard LCA , and it was bent.



#12 claysummers

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Posted 16 May 2022 - 08:18 AM

I can’t see any need for rust treatment if they have done their job snd used a half decent etch prime Ian, specially if it is epoxy. If it is acrylic it should be sealed with top coat asap.


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#13 Heath

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Posted 16 May 2022 - 10:06 AM

Thanks Dave.  How do I fix the seat.  are they a two piece spot welded item?.  Any help would be greatly appreciated.  And yes that was the side that has the standard LCA , and it was bent.

 

Some better photos would help, Ian.

Worst case, you cut it out and weld a replacement in.
Best case, you manage to persuade it back into shape with a big threaded puller, or even a hammer and dolly.



#14 IanC

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Posted 16 May 2022 - 10:59 AM

Thanks Clay and Heath. I will get a better photo. It does look to have 3 spot welds holding them on. Does anyone know where I can buy them. I was thinking packing it back out with a stainless steel washer.

#15 S pack

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Posted 16 May 2022 - 11:51 AM

Try to bash it back out with a big hammer and a steel drift. You will need to support the outrigger to do this but hey you're a boiler maker you will know how to bash heavy steel into place.

#16 S pack

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Posted 16 May 2022 - 12:18 PM

As Heath said, some better pics of the damage. Some comparison pics of the left hand side would also be good.



#17 IanC

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Posted 16 May 2022 - 01:46 PM

The castor rod looks to have a bit of adjustment anyway. Bash it out a bit, or use a stainless washer should work fine.
https://photos.app.g...Ddon3aS7k6WMVM7

#18 Heath

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Posted 16 May 2022 - 02:48 PM

Thanks mate. Yeah, so the locating ring thing is bent, and it has bent so much it has distorted the arm (the edge above it) so that has become out of shape, also.

 

If you get a nice big arse threaded bolt (as big as fits through the hole) and can install a nice big arse steel washer on either side of the plate (like 5+mm thick and hopefully as big a diameter as fits in the relief... easy if you have access to a lathe), and screw it all together. This will aid the washers being straightened, and then protect it (stop the spot welds from splitting) when you then belt the frOck out of the rest of the area to straighten it to where it should be. The big flat washer can also be used as the main surface that you hit, so that you don't dint and scratch the hell out of your crossmember while you're giving it a few hundred blows with a hammer, haha.






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