REFLECTOR: Franklin Cylinder Base Wrench
John Dibble
aminetech at bluefrog.com
Tue Mar 12 07:28:33 CDT 2013
You can get the wrenches (pricey) from Susan at Franklin Engine
Company. Or you can buy a set of stubby wrenches and grind them down a
bit so they fit in the tight spots. The special wrenches are needed for
setting the torque if you don't have a torque gauge built in your arm
like I do. The Lycoming/Continental wrenches have a similar shape and
should work as well. You need two sizes, 5/8 and 9/16. Buy a set of
pal nuts from A/S in case some of the ones you remove don't tighten
well. I have lots of other tips if you're interested.
John
On 3/11/2013 10:01 PM, Hiroo Umeno wrote:
> I am hoping that in the next few months, I am going to be able to
> start the slow process of bringing N21HV back into the air. First on
> the agenda is a detailed engine condition inspection, reconditioning,
> cleaning. I anticipate I am going to have to pull the cylinders off
> to do this and recall reading this magical tool that makes the job
> remarkably easier.
> Now, doing the web searches, there are many vendors selling "Lycoming
> / Continental cylinder base wrenches" but not Franklin. That make
> sense as the install base for the Ly/Con are far greater than Franklin.
> Now, the question is, is that just a naming thing? According to
> Franklin manual, the base nuts are 7/16"-20. Is that what Ly/Con use?
> Thanks in Advance.
> Hiroo
>
>
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