| Author | Message | 
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 ross kowalski
 Grand Master
 Username: cdfpw
 
 Post Number: 409
 Registered: 11-2015
 
 | | Posted on Sunday, 07 May, 2017 - 11:39 pm: |    | 
 I saw a picture of a set of HD8's on the internet that had the diaphragm mixture screw secured with a spring.
 
 Mine is secured with a nut.  Not that one does this more than once, but tightening the nut is a royal PITA.
 
 Was the nut design a replacement for the spring because they 'walked'?
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 Robert Noel Reddington
 Grand Master
 Username: bob_uk
 
 Post Number: 1416
 Registered: 5-2015
 
 | | Posted on Monday, 08 May, 2017 - 02:00 am: |    | 
 Crow foot spanner is what you need.
 
 bend a flat spanner at say 70 degrees angle.
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 Patrick Francis
 Prolific User
 Username: jackpot
 
 Post Number: 106
 Registered: 11-2016
 
 | | Posted on Monday, 08 May, 2017 - 07:28 am: |    | 
 Hi Ross, My Jag MK 2 SUs have a spring. My roller has nuts as do yours. I always asked myself the same question.
 My Jag is a 1965, and the Roller is 1974. Both work well, but does this mean that the nut was a natural progression from the spring? I don't know, but I leave well alone!
 What I have in the Rolls, is a 1/4 inch ring spanner with a 6" length of doubled up thick binding wire strapped to it with some tape, giving the spanner a "bendable" extension which makes it easy to engage the spanner on the nut.
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 ross kowalski
 Grand Master
 Username: cdfpw
 
 Post Number: 412
 Registered: 11-2015
 
 | | Posted on Monday, 08 May, 2017 - 10:46 am: |    | 
 Robert and Patrick,
 
 Both god ideas on getting the nut tightened, but if the spring works, I might just find and fit some springs.  The engine runs so smooth I just don't see a problem with the idea.
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 ross kowalski
 Grand Master
 Username: cdfpw
 
 Post Number: 413
 Registered: 11-2015
 
 | | Posted on Monday, 08 May, 2017 - 11:12 am: |    | 
 Seemed to work for the Cloud...
 
 https://youtu.be/3ih5h1J-AN4?t=536
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 gordon le feuvre
 Prolific User
 Username: triumph
 
 Post Number: 188
 Registered: 7-2012
 
 | | Posted on Monday, 08 May, 2017 - 09:21 pm: |    | 
 Lots "later" cars had locknut on adjusting screw to prevent owners "fiddling" with adjustment as early form of emission control, nothing to do with adjustment " walking" during service. It was the start of the world as we now know it-tamperproof!!
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 Robert Noel Reddington
 Grand Master
 Username: bob_uk
 
 Post Number: 1419
 Registered: 5-2015
 
 | | Posted on Monday, 08 May, 2017 - 10:09 pm: |    | 
 This adjustment is as said once set lasts for ages so I wouldn't put springs.
 
 However if you wish buy the springs from Burlin Services who own SU. Not expensive.
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 ross kowalski
 Grand Master
 Username: cdfpw
 
 Post Number: 434
 Registered: 11-2015
 
 | | Posted on Monday, 29 May, 2017 - 12:18 pm: |    | 
 I was working on the car a couple days ago and made one of these.  Works good.
 
 
 
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