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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Amal 10TT9 install on Comet
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<blockquote data-quote="craig" data-source="post: 18104" data-attributes="member: 1959"><p><strong>Jet block removed, reinstalled and removed</strong></p><p></p><p>Hi Brian, I removed the jet block by - </p><p>1) heating up the carb body with propane torch, not particularly hot, such as to kill loctite, but heated beyond handling.</p><p>2) installed 15/625 fitting as a tapping bolt</p><p>3) placed an alloy shim on 15/625 to avoid any minor damage when tapping</p><p>4) tapped out the jet block with moderate tapping. Actually the jet block is held in place by a 1/4" band at its bottom, so the tapping was for only 1/4".</p><p> </p><p>reason for removal - inspect the internals for accumulated dirt and grit - found plenty that was causing the slide to wear fast.</p><p> </p><p>It became obvious that reinstalling jet block would only be done by pulling it back in place - NOT tapping the top.</p><p> </p><p>I cleaned all to my satisfaction. The jet block smoothly pushes into place except for this 1/4" band at the bottom. Everything now room temp. I used three or four 1/8" alloy spacer rings and 15/625 to pull it back in place.</p><p> </p><p>I think it might be better to heat the body, chill the block and they will probably drop together. My next trial.</p><p> </p><p>It was well worth taking this 40 years out of service jet block out to clean, deburr and polish the internals.</p><p> </p><p>My 24TI stamps are to match all the pieces to this specific 10TT9, I am sure.</p><p>thanks</p><p>Craig[ATTACH]714[/ATTACH]</p></blockquote><p></p>
[QUOTE="craig, post: 18104, member: 1959"] [b]Jet block removed, reinstalled and removed[/b] Hi Brian, I removed the jet block by - 1) heating up the carb body with propane torch, not particularly hot, such as to kill loctite, but heated beyond handling. 2) installed 15/625 fitting as a tapping bolt 3) placed an alloy shim on 15/625 to avoid any minor damage when tapping 4) tapped out the jet block with moderate tapping. Actually the jet block is held in place by a 1/4" band at its bottom, so the tapping was for only 1/4". reason for removal - inspect the internals for accumulated dirt and grit - found plenty that was causing the slide to wear fast. It became obvious that reinstalling jet block would only be done by pulling it back in place - NOT tapping the top. I cleaned all to my satisfaction. The jet block smoothly pushes into place except for this 1/4" band at the bottom. Everything now room temp. I used three or four 1/8" alloy spacer rings and 15/625 to pull it back in place. I think it might be better to heat the body, chill the block and they will probably drop together. My next trial. It was well worth taking this 40 years out of service jet block out to clean, deburr and polish the internals. My 24TI stamps are to match all the pieces to this specific 10TT9, I am sure. thanks Craig[ATTACH]714.vB[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Amal 10TT9 install on Comet
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