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b44 1970 shooting star tls #428652 04/08/12 6:35 pm
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conhawks Offline OP
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i need to set up the tls, but when adjusted the lever reaches the handlebar grip.will it fail an mot like this?. also if to much adjustment is taken up the wheel locks and the lever still touches the handlebars. can anyone help please.

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Re: b44 1970 shooting star tls [Re: conhawks] #428658 04/08/12 7:04 pm
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gavin eisler Offline
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Sounds like the cable outer is damaged and is acting like a spring.


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Re: b44 1970 shooting star tls [Re: conhawks] #428659 04/08/12 7:08 pm
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kommando Offline
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the tls needs a different lever ratio from the earlier brakes. Fit an earlier lever and you get what you have.

Re: b44 1970 shooting star tls [Re: conhawks] #428660 04/08/12 7:11 pm
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Stuart Offline
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Hi,

Originally Posted by conhawks
the lever reaches the handlebar grip.will it fail an mot like this?

Yes.

Originally Posted by conhawks
tls
when adjusted the lever reaches the handlebar grip.
if to much adjustment is taken up the wheel locks and the lever still touches the handlebars.

At the risk of telling you something you know already, are you adjusting the shoe levers first, then the cable?

1. Adjusting the shoe levers is a three-handed job, crazy because you need one hand pushing each shoe against the drum while the third hand adjusts the link rod between 'em.

2. Then there should be just enough clearance that the wheel should rotate but, as soon as you start to squeeze the lever, the wheel should stop. In reality, depending on the amount of ovality in the drum and that the radius of shoes simply just fitted are unlikely to match the radius of the drum. If either or both are too much, you'll have to have so much clearance that the handlebar lever pull can't compensate. Having the drum turned to eliminate ovality and turning the shoes mounted on the brake plate so the surfaces match the drum will eliminate these possiblities contributing to your problem.

3. After adjusting the shoes, how much adjustment are you having to make to the cable? It should be only a little.

4. Finally, do you have a good-quality heavy-duty branded cable? If you don't, or you aren't sure, replace it (I have a Venhill on my T150).

5. When you squeeze the 'bar lever of a well-set-up pre-'71 tls at a standstill, it can appear that the lever's coming close to the 'bar; on the road, with self-servo and other effects working, ime the lever doesn't come anywhere near the 'bar. :bigt

Finally, you might receive other advice that you should get a cable without a brake light switch; fwiw, my T150 has a cable with a switch and I've thrashed it 'round Cadwell without any problem other than the brake fades after about twenty laps (but we are talking in excess of 600 lbs. bike+rider grin ).

Hth.

Regards,

Re: b44 1970 shooting star tls [Re: conhawks] #428671 04/08/12 9:17 pm
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Mr Mike Offline
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I fitted a TLS to my 68 B44SS. No problems. I did need three hands but a well positioned bungee cord served as the third hand. If you do not set it up carefully you'll have one shoe doing all the braking and the other doing next to nothing.

Mr Mike

Re: b44 1970 shooting star tls [Re: Mr Mike] #430929 04/21/12 5:39 pm
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conhawks Offline OP
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guys can you please help me. i'm at my wits end with this brake!!. i've fitted new brake shoes, tried three different cables and done the three handed adjustment on the linkage rod, to no avail, still the same, cable springy and lever pulling into handlebar. this is all thats holding me up from taking her for an mot.thanking you all in anticipation.

Re: b44 1970 shooting star tls [Re: conhawks] #430939 04/21/12 6:13 pm
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wak Offline
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they do pull all the way to the bar but usually the wheels locked before it gets that far,as previously mentioned it the handle bar lever the right ratio?


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Re: b44 1970 shooting star tls [Re: conhawks] #430941 04/21/12 6:21 pm
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conhawks Offline OP
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hi wak, original handlebar levers, but surely if the lever hits the bar it will fail mot

Re: b44 1970 shooting star tls [Re: conhawks] #430948 04/21/12 6:55 pm
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kommando Offline
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hi wak, original handlebar levers, but surely if the lever hits the bar it will fail mot.

The TLS has a self servo effect double that of a SLS, on the move it will work much better than statically and the MOT is a dynamic brake test with the wheel spinning.

Forget all you think about what parts are orginal or not and check the brake lever is correct, for a 70 it will have holes for mirror stems which were either new for 70 or 69. Been there and got the T shirt with assumptions or relying on memory.


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