Hydra Clamp Removal JCB 3CX '82 White Cab

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MetalHog
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Hydra Clamp Removal JCB 3CX '82 White Cab

Post #1 by MetalHog » Thu Jun 27, 2013 11:50 pm

Hello All,

I want to change a hydra clamp seal in a 82 3CX. I suspect the seal is leaking and dripping a small amount of fluid. I have the replacement seal, but I can't get the nut off the bolt that runs through the seal casing into the rail. I can turn the nut alright, but the bolt is turning at the same time.

I'va had a look at the schematic diagram and the other end of this bolt appears d or o shaped. I've had a look at it through the rail and it's turning as above when I apply spanner pressure :dizzy: to the bolt. I've tried jamming a screwdriver and various bit's of metal to try to get the d end to bite and not turn, but no look so far.

Is there a special tool for this ? or as anyone any advice ?

Cheers


philwheelton
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #2 by philwheelton » Fri Jun 28, 2013 8:45 pm

You need a new nut and bolt, just cut the old nut off, make sure you have the kingpost the right side to be able to remove the bolt once you have cut the nut off


Topic author
MetalHog
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #3 by MetalHog » Fri Jun 28, 2013 9:51 pm

Ok. This I will do.

Thanks.


derod
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #4 by derod » Sun Jun 30, 2013 4:17 pm

Hi Paddy. I have the same model and year JCB, can you tell me which service manual you use or where I can get one please,

cheers Rod


Topic author
MetalHog
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #5 by MetalHog » Mon Jul 08, 2013 11:36 pm

Hi Rod,

Firstly, thanks to Phil for the advice regarding the hydra clamp bolt. I cut it off on Tuesday and tapped the bolt shaft out through the rail. I got a secondhand bolt and better rail washer. I replaced the clamp seals, re-assembled and she's as good as new.

Rod,
In relation to the manual question, I don't have one. I got the schematic of the hydra clamp off a chap in a machinery spares store, I replaced the seals in the dipper ram on this machine last month and I asked the guy about the hydra clamps. I got a set of seals for all that may need them in the future. She's leak free since then, a bit of play in the slew and needing a paint job and glass tlc but all round in good condition.

Cheers


derod
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #6 by derod » Sat May 10, 2014 10:27 pm

Thanks mate, I have some emailed gearbox diagrams for our machines from JCB Technical, give me a shout if they are any use to you,

ps, sorry for delay in replying, I had a wee heart attack!!

cheers Roddy


Jeremy Rowland
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #7 by Jeremy Rowland » Sun May 11, 2014 4:47 pm

derod wrote:Thanks mate, I have some emailed gearbox diagrams for our machines from JCB Technical, give me a shout if they are any use to you,

ps, sorry for delay in replying, I had a wee heart attack!!

cheers Roddy


Hope your feeling better now! :thumbup:

Jeremy


derod
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Re: Hydra Clamp Removal JCB 3CX '82 White Cab

Post #8 by derod » Tue May 13, 2014 8:07 am

Thanks J, had a wee op and all good now,
cheers crofter


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