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Carlos Maenhout
Yet to post message
Username: carlos_maenhout_from_belgium

Post Number: 1
Registered: 12-2018
Posted on Sunday, 19 January, 2020 - 01:59:   Edit PostDelete PostView Post/Check IP

I am overhauling the hydraulic accumulator valves of my Silver Shadow drophead coupe (built 1969) DRH7762
I ordered overhaul spares
Enclosed, you will find a photograph with a small valve shaft with the mounted original neoprene and teflon gland.
Besides, you can see the new one.
I have no idea how I can exchange the gland. Is there a trick? Is the shaft a composed one in 2 parts? Do you know somebody who can advice me?
Carlos
valve
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Jim Walters
Frequent User
Username: jim_walters

Post Number: 291
Registered: 01-2014
Posted on Sunday, 19 January, 2020 - 03:47:   Edit PostDelete PostView Post/Check IP

Yes, you need a special tool that tapers to a point. It slips on over one end to allow the new seal to expand and slide over the piston and sit in the groove. Cut off the old one carefully, replace the rubber ring, then heat the new Teflon seal in hot oil and quickly slide it on over the tool and press it into the groove. I have the tool, will take a picture of it later today and post it for you.

SRH8505 SRC18015 SRE22493 NAC-05370
www.bristolmotors.com
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Kelly Opfar
Frequent User
Username: kelly_opfar

Post Number: 242
Registered: 07-2004
Posted on Sunday, 19 January, 2020 - 04:13:   Edit PostDelete PostView Post/Check IP

You need a tool like this one:
piston seal tool
I have the tool available on my site:
https://www.britishtoolworks.com/product-page/sy-acv-bobbin-piston-seal-installation-tool
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michael vass
Frequent User
Username: mikebentleyturbo2

Post Number: 612
Registered: 07-2015
Posted on Sunday, 19 January, 2020 - 04:51:   Edit PostDelete PostView Post/Check IP

Talk about off topic lol


Problem fixed

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michael vass
Frequent User
Username: mikebentleyturbo2

Post Number: 613
Registered: 07-2015
Posted on Sunday, 19 January, 2020 - 18:57:   Edit PostDelete PostView Post/Check IP

Thanks
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Carlos Maenhout
New User
Username: carlos_maenhout_from_belgium

Post Number: 2
Registered: 12-2018
Posted on Sunday, 19 January, 2020 - 21:02:   Edit PostDelete PostView Post/Check IP

thks Jim and Kelly
will order tool
carlos

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