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Hydraulic hose - Complicated, innit?

Posted: Thu Nov 20, 2014 11:46 pm
by Knowledge
I am fitting a P200 disc master cylinder and SIP caliper to a SS90 copy.

I have purchased banjo bolts, and a tight 90 degree bend for the top end, but now I have got 2m of braided hose and it looks like I have compatibility issues.

The braided hose is covered in plastic which gives it an external diameter of 7.5mm. Other hoses I have are 6.5mm. The ID of the ferrule that fits over the OD of the hose is 5.3mm, so it never gonna fit. Having said that, the bore of the hose matches the bore of the fitting.

Meanwhile, I have other banjos that are sloppy in the bore of the hose.

Are there some "rules" about compatibility of these components?

Re: Hydraulic hose - Complicated, innit?

Posted: Fri Nov 21, 2014 12:31 am
by GLscoot
Im pretty sure Hel and Goodridge make hoses to your specifications and if you need one of the banjos not connected so you can feed it through the frame they will do that as well. Im sure they cost around £30 and in various colours.

Re: Hydraulic hose - Complicated, innit?

Posted: Fri Nov 21, 2014 12:40 am
by carlos fandango
Well assuming itsall the same make ?

the outer plastic is trimmed off, then the nut goes on , then the braid is then "teased " off the nylon/plastic inner with a thin screwdriver or similar.
The "olive" then fits over the nylon inner and under the braiding .
then fit the banjo (or fitting) inside the nylon inner and bolt up :)
Clear as mud ? :D
If you put a couple of inches of heat shrink on first , then when its all fitted and leak tested , slide the heat shrink over the nut and shrink it on, it tidies it up, and covers where the outer has been trimmed :geek:

Re: Hydraulic hose - Complicated, innit?

Posted: Fri Nov 21, 2014 12:46 pm
by GLscoot
carlos fandango wrote:Well assuming itsall the same make ?

the outer plastic is trimmed off, then the nut goes on , then the braid is then "teased " off the nylon/plastic inner with a thin screwdriver or similar.
The "olive" then fits over the nylon inner and under the braiding .
then fit the banjo (or fitting) inside the nylon inner and bolt up :)
Clear as mud ? :D
If you put a couple of inches of heat shrink on first , then when its all fitted and leak tested , slide the heat shrink over the nut and shrink it on, it tidies it up, and covers where the outer has been trimmed :geek:
You make it sound oh so easy. You forgot to add patience is needed.

Re: Hydraulic hose - Complicated, innit?

Posted: Sat Nov 22, 2014 1:12 am
by Knowledge
Thanks Carlos, it makes perfect sense.