Here's a Q
Issi was a clever fella, so why didn't he put a left hand thread on the clutch retaining bolt
Clutch Locking Bolt
Started by
harrythehat
, Aug 27 2018 06:32 AM
11 replies to this topic
#2
GraemeC
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Posted 27 August 2018 - 06:46 AM
Do you mean the flywheel bolt?
Why would he?
Why would he?
#3
nicklouse
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Posted 27 August 2018 - 06:46 AM
so what bolt is that?
and why?
#4
harrythehat
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Posted 27 August 2018 - 04:05 PM
apologies for my shocking description if that's what it is flywheel bolt,
its the bolt with large tab washer that holds the clutch on and has to be torqued to a ridiculous amount of foot lbs
left hand thread would stop any clutch spin off's surely?
#5
Bat
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Posted 27 August 2018 - 05:41 PM
Hi,
It's done up really tight to clamp the flywheel on the taper a left hand thread would make no difference.
Cheers 
#6
nicklouse
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Posted 27 August 2018 - 05:44 PM
as above the bolts is only to pull the flywheel onto the taper. the main retaining force is the taper.
#7
blacktulip
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Posted 27 August 2018 - 05:55 PM
Plus the keyway and loctab make it nearly impossible to unlock.
#8
GraemeC
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Posted 27 August 2018 - 06:52 PM
And the crank is rotating the wrong way for a left hand thread to resist any loosening action anyway, and generally it is only applicable when the nut is stationery with something rotating next to it.
#9
harrythehat
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Posted 29 August 2018 - 06:34 AM
Hmm
Alice's new owner has experienced it coming undone twice
left hand thread would make it impossible, not a possibility
#10
Bat
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Posted 29 August 2018 - 07:23 AM
Hi,
The only time of heard of them coming loose is when everything isn't lined up correctly.
The slot in the crank and the flywheel are offset and the washer prongs are too.
It is possible to put the flywheel on 180 degrees out and chew up the washer when torquing it up...
Cheers
#11
GraemeC
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Posted 29 August 2018 - 07:47 AM
left hand thread would make it impossible, not a possibility
How?
If it has come loose twice then whoever is tightening it up is doing something wrong.
On rare occasions they have been known to come loose, but twice is virtually unheard of.
#12
harrythehat
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Posted 29 August 2018 - 10:54 AM
left hand thread would make it impossible, not a possibility
How?
If it has come loose twice then whoever is tightening it up is doing something wrong.
On rare occasions they have been known to come loose, but twice is virtually unheard of.
could be He's only just taken up the world of DIY with minis
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