millsn Posted January 7, 2012 Share Posted January 7, 2012 At my place of work we recently received a mandate to do up hose clips on silicon hoses to a given torque setting and then 1/2 an hour later to repeat the exercise ostensibly due to leaks in use. Now I find this difficult to understand. Can anyone advise whether silicon hoses are treated in some special fashion or whether someone somewhere in house is being a bit of a plank? Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted January 7, 2012 Share Posted January 7, 2012 I normally run a socket over all hose clips when I remove the bonnet. Invariably find they all tighten a little more - every time. Same with silicone or standard rubber hoses. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted January 7, 2012 Member Share Posted January 7, 2012 I'm not an expert on this. Whenever tightening silicone hoses comes up on BC: * Some people have no problems with leaks, others do * People extol band-type clips over those with line or thread contact * Lubrication is thought to be a good thing I don't think I've ever seen quantitative torque settings specified. Jonathan Link to comment Share on other sites More sharing options...
Sheds Moderator Posted January 7, 2012 Share Posted January 7, 2012 It's a tough one as you are compressing the silicone hose, not stretching the bolt in the usual fashion. As such they don't load up as you would expect. I do remember in my youth doing up a Spitfire steering rack U clamp - it had rubber mountings and didn't tighten up as I expected, so before I got to what I thought was an acceptable torque the bolt sheared. I'd be very wary of being too ambitious with a jubilee clip for the same reason. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted January 7, 2012 Member Share Posted January 7, 2012 Just had a look at the Jubilee web site. They do specify torque settings but I have no idea how they compare to what feels right by hand. Jonathan Edited by - Jonathan Kay on 7 Jan 2012 15:19:48 Link to comment Share on other sites More sharing options...
millsn Posted January 7, 2012 Author Share Posted January 7, 2012 I reckon you could do up the hoseclip ad infinitum. I also suspect that any lack of sealing is down to the joint/flaring/diameter of the hose versus pipe and little to do with the ultimate torque on the fastener Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now