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0. 12:23 AM - Please Make A Contribution To Support Your Lists (Matt Dralle)
1. 03:26 AM - Re: Jabiru Flywheel Bolts [Early models] (selwyn)
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| Subject: | Please Make A Contribution To Support Your Lists |
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| Subject: | Re: Jabiru Flywheel Bolts [Early models] |
Likewise, I can't really see where this has come from as a new issue. The information
on what is an "old" engine and the rectification process is all in JSB
012-1 dated 10/06. If this is followed then I believe the problem has basically
gone away.
There a couple of points I would make.:
JSB 012 does not call for any sort of grease on the assembly and given that the
joint relies on friction between the parts, why would you risk grease contamination?
The bulletin calls for 24 ft lb (32.5 Nm) so using grease to achieve
ultimate screw tension does not seem to be an issue.
and
There is a comment earlier in this thread relating to partial tightening to allow
"local relaxation" then tightening to torque up to an hour later. Although
this time period is consistent with the Loctite literature my experience with
620 has been that after an hour you will be tightening against the Loctite and
not the bolt tension. This is implied in the revised prop flange attachment
procedure in JSB 022-1 which says;
"Fit the flange to the crankshaft & fit the screws by hand, then tension the screws
using a calibrated torque wrench immediately"
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Cheers, Selwyn
Kit 66
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=271530#271530
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