The original message was too big so I chopped it and resent.
Rich
----- Original Message -----
From: "Rich C" <richchrysler@quickclic.net>
To: "Al Fuller" <al@bighealey.org>; <healeys@autox.team.net>
Sent: Monday, July 28, 2008 10:20 PM
Subject: Re: [Healeys] Tri-Carb choke cables - securing
> Al,
>
> The secondary cables on the tri-carb are held in place all the way along
> by the return spring pressures of the HS series choke activating levers on
> the carb body. The trunnion that passes through the appropriate sprung
> lever and anchors the inner cable lower end needs to be adjusted to
> maintain this spring tension on the inner cable at all times. The
> adjustment needs to be such that when the sprung choke lever on the carb
> is just fully at rest there is no excess play allowance in the inner cable
> travel and the upper end is fully seated into the counterbore relief on
> the activating lever trunnion.
> Of course before you go after anything, ensure the choke activating levers
> on the carbs are sprung properly and are able to bring the jet fully back
> to rest. If it can't the problem bay be the jet being out of centre. It's
> critical that the jet is properly centred, then the spring pressure on the
> levers can do their job.
> Obviously the secondary cables have been replaced at some time because it
> sounds like the proper small diameter upper end is not able to seat into
> the counterbore properly. besides that, the secondary cables on the
> tricarb all had black outer sheathing, same as a bicycle cable. In fact I
> have replaced all these secondary cables by carefully shopping at a good
> bicycle shop making sure the ends are as original and can seat properly at
> both ends.
> Sorry I'm rambling a bit, I'm just typing as I think of these different
> problems. That should give you a good start of things to check and adjust
> though.
>
> Rich Chrysler
> (owned tricarb BT7L / 18718 for 9 wonderful years and thousands of trouble
> free miles)
>
> ----- Original Message -----
> From: "Al Fuller" <al@bighealey.org>
> To: <healeys@autox.team.net>
> Sent: Monday, July 28, 2008 7:13 PM
> Subject: [Healeys] Tri-Carb choke cables - securing
>
>
>> The choke cables on my '62 Tri-carb have been messed-about by prior
>> owners,
>> and will not stay seated in the brass mounting on the carburetors OR in
>> the
>> lever barrel at the upper ends. The result is that once the engine is
>> warmed up and I want the choke back in, the cable sheaths jump out of the
>> mounts at the carburetors and push away from the barrels at the upper
>> ends -
>> allowing the cable centers to bow instead of pushing the choke levers
>> back
>> down, and as a result this holds the chokes open.
Suggestions??
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