The BSA A7-A10 Forum
Technical (Descriptive Topic Titles - Stay on Topic) => Frame => Topic started by: WozzA on 29.10. 2014 02:42
-
Whats the answer to stopping oil dripping from the gear box down the cable ? *problem*
& YES ... It's got a O ring in it... this is the ONLY drip I haven't been able to solve.
-
Wozz, I was thinking about this the other week as I also have a drippy one.... *eek*
My conclusion (for then),is that the fact it has a 'O' ring is one thing, but that's on the outside of the sleeve bush- there's no 'O' ring in the actual driven gear shaft onto the cable (the bit with oil scroll part# I can't access just now ), so it works whilst riding, but when standing for a while, the oil can just seep through to the cable....?
y' kenow whut I mean...??
-
I wrapped self vulcanising rubber tape around it, gearbox end, and sealing against the fitting, finished off with a length of heat shrink tube over the rubber, leak sorted *smile*
-
I wrapped self vulcanising rubber tape around it, gearbox end, and sealing against the fitting, finished off with a length of heat shrink tube over the rubber, leak sorted *smile*
Sounds like a triple condo...????
-
I also use the heat shrink over the cable outer and end fitting. As well I put an O ring between the cable nut and the flare on the fitting. That should keep any dribble inside the cable.
Cheers
-
good tips lads.
I've got both self amalgamating tape and heat shrink, never thought of using them there - old brains getting lazy.
OT - I was at the "Body Vital" exhibition at Newcastle Centre for Life last week, great experience if your not squeamish (plasticised (real) body parts) I'd recommend if it's down your way.
Anyway the brain was displayed with relevant info - seems to keep it in good nick you need to challenge it with new stuff, it don't like the same stuff over and over (oil thread *smile*)
PS the body parts were no longer need by their owners *sad2*
-
I already did the heat shrink thing the full length, as the outer sheath had some holes in, but maybe didn't shrink the end enough- adding an 'O' ring sounds a good add- might try that too.
-
I add half a dozen o-rings (from memory I think they are BS010); hole is drilled out to 3/8", and approx 2/3 of the depth of the outer thread.
This has stopped the leak in every A10 I have done it to; no shrink wrap required.
I also machine a groove on the OD of the brass speedo drive carrier.
I see on Lyford Classic Services web site, they supply new brass carriers, with the O-ring groove already provided. I suspect they have also modified the bore, to take the o-ring for the speedo gear shaft.
Richard
-
Yes Richard a mate with a goldie did those mods to his, inner and outer O rings with good results.
Cheers
-
In the dark recesses of what was once my fine young brain I seem to remember that speedo heads don't like oil ,well engine oil, makes there innards gunk up so if you guys are stopping the drips getting out as obviously natur..BSA intended *whistle* won't the oil make its way up the cable and knacker the head ? think I just had a Richard moment , anyway I'll go and do some work and see what my peers say ,cheers BobH.
-
did also mean to say I like the idea of the new parts ready for an additional o ring, BobH
-
Your recess is probably right Bob. The oil does lay in the cable but I have never found it to reach the speedo.
Cheers
-
Hi
won't the oil make its way up the cable and knacker the head ? think I just had a Richard moment , anyway I'll go and do some work and see what my peers say ,cheers BobH.
YES *sad2* *sad2* *sad2*
John
-
That'll do for me , at least I now have an excuse for THAT leak , bob *smile*
-
Do cables come wound left or right...for reverse guages...? If so maybe Bob, you have the wrong one, and it works like an Archimedes screw....(a grain auger or pile digger)?
Sound's like I might've been thinking down the right track for once... *smile*
My conclusion (for then),is that the fact it has a 'O' ring is one thing, but that's on the outside of the sleeve bush- there's no 'O' ring in the actual driven gear shaft onto the cable (the bit with oil scroll part# I can't access just now ), so it works whilst riding, but when standing for a while, the oil can just seep through to the cable....?
-
...I also have a drippy one.... *eek*
Nasty! :P
-
" oh your are awful"!! BobH
-
Can anyone spare a photo of the set-up? preferably the o-ring mod, but I can't picture rubber volcanoes and heatshrinked drippy ones either:P
-
the oil is not from the cable....honest.....its a while since i looked underneath and its a bit messy considering this bike only leaves its mark if you leave it parked in the same place for days.....