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Old 16 March 2014, 08:37   #41
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Yup. What I didn't realise is that the pivot isn't actually attached to anything. Currently trying to get it all in bits so I can see which parts need replacing. New coupling would be a big job: it appears to be welded on!
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Old 16 March 2014, 09:13   #42
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the wobbly pivoty bit under the hitch was rusted solid on mine, could that be the case on yours?
I had this as well. I suspect that they are assembled dry Mine now has lots of grease in there, and all sorts of problems with the brakes disappeared overnight.
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Old 16 March 2014, 11:56   #43
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i put a grease nipple on mine!
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Old 16 March 2014, 14:13   #44
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On mine the pivot is pretty exposed up underneath the coupling. I think the answer is a liberal application of grease, try not to dunk it, and make it part of your flushing down routine after recovery.

It looks like I should be able to get a new damper ok, but it'll need a but of welding doing. Which i'm hoping indespension can sort for me.
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Old 18 March 2014, 18:00   #45
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Am I being picky??

Been to Indespension in Leeds with the various bits that i needed for my coupling, and I think i've been sold a pup.

This is the draw tube as it came out of the coupling:
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The hitch goes on the round end (right hand side in picture) and the square end is secured to the coupling with an M12 bolt which does through the housing. The whole lot slides in and out and at full extension the thing stopping the whole lot pulling out is that M12 bolt.

This is the two parts taken out with the new damper he sold me next to it:
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You can see that the square piece of the old set up is pretty substantial (you'd want it to be! It's pulling your boat!). The fella in the shop told me that this other damper was "the new way of doing it" and pointed out that it's pretty much the same length. The thing is... at full stretch all the pulling force is going to be on that damper, with nothing to stop it if the damper fails, from pulling straight out the end. That can't be right can it.
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( I know this is upside down but it still illustrates the point!)
Thing is that the old damper is screwed into a nut which is welded to the piston like thingy so even if i can find it I'd need someone to grind off the old nut and weld a new one on?
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Old 18 March 2014, 20:34   #46
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They've sold you the wrong damper. Did you take the old one in? If not, it may be worth doing so.

The flat, steel, extension and the damper will unscrew from each other. Put the extension in a vice (the damper will now be pointing up in the air) and then use a spanner to back off the nut. 13mm IIRC. Then the damper will unscrew from the extension. It may be worth giving it a liberal dose of WD, penetrating oil, or Rostoff, as they can get a little seized, due to the fine pitch of the thread.
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Old 18 March 2014, 20:48   #47
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Hi TG. I took the old one in yes, and the draw tube for good measure. His explanation seemed plausible at the time!

The nut is welded to the extension so turning the nut while the extension's in a vice is a no-go. Have tried turning the shaft of the damper with mole grips but can't get enough purchase, though to be fair I haven't tried soaking it in WD40 yet.

I have found the correct damper online by looking at the numbers on the old one (115177) so i can get a new one, I'll just have to find someone who'll weld the nut that comes with it onto the extension.

It's a horrid design!
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Old 19 March 2014, 06:06   #48
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Ah, one if those types, I see. Had one recently myself. Right PITA.

Yup, invert it in a vice, give it a blast with some Rostoff and use a set of mole grips on the damper shaft. A bit of heat may help too. Best of luck!
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Old 19 March 2014, 11:58   #49
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Shouldn't have doubted you, you were right the first time. The catch being that whoever fitted it had welded the lock nut in place. The mechie at Indespension cut around it for me and unscrewed the damper. Now waiting for the only one of the correct part the have in the UK to be delivered!
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Old 19 March 2014, 17:05   #50
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Shouldn't have doubted you, you were right the first time.
Naturally...

Towing and trailers are a good source for dampers. Keenly priced and good service. Plenty of stock too.

Yours looks like a Bradley? Though it's a punt, as I can only see a pic. If so, they've a good website for identifying the correct parts.
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