Today's Message Index:
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1. 08:13 AM - Hartzell service bulletin, plug to replace grease fitting (Tim Lewis)
2. 08:48 AM - Re: Hartzell service bulletin, plug to replace grease fitting (Kelly McMullen)
3. 06:13 PM - Re: Hartzell service bulletin, plug to replace grease fitting (Bob Turner)
Message 1
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| Subject: | Hartzell service bulletin, plug to replace grease fitting |
Hartzell has noted that grease zerks are sometimes seizing (and
breaking) when they are removed for the hub grease process. This 2016
Service Instruction introduces a plug to replace the zerk that is
removed every year (one plug per side).
https://hartzellprop.com/wp-content/uploads/HC-SL-61-354-R00-W.pdf
Hartzell's 2018 price sheet lists them as $0.74 each. I've not tried to
order them myself - I bought a couple from a local A&P who had ordered
several.
https://hartzellprop.com/wp-content/uploads/2018-Price-List-Orig.pdf
--
Tim Lewis -- HEF (Manassas, VA)
CFI, A&P
RV-6A N47TD -- 1104 hrs - sold
RV-10 N31TD -- 1200 hrs
Message 2
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| Subject: | Re: Hartzell service bulletin, plug to replace grease fitting |
Curious. I can't imagine why the zerks would seize, given they are threaded
back into grease, except for the person doing the servicing using their
calibrated elbow for a torque wrench. Never had a problem with the zerks in
the 18 years I had a Hartzell prop.
Also tend to believe that those zerks and plugs are standard FAA/PMA
Autozone parts. Not sure why the plugs would be any less likely to seize,
unless they are made of a metal compatible with the forged aluminum of the
prop hub. Maybe I should do a little experimenting with a red tag Hartzell
hub I use as a big paperweight.
Sent from my TRS-80 Model 100
On Sun, Oct 20, 2019 at 8:17 AM Tim Lewis <TimRVator@comcast.net> wrote:
>
> Hartzell has noted that grease zerks are sometimes seizing (and
> breaking) when they are removed for the hub grease process. This 2016
> Service Instruction introduces a plug to replace the zerk that is
> removed every year (one plug per side).
>
> https://hartzellprop.com/wp-content/uploads/HC-SL-61-354-R00-W.pdf
>
> Hartzell's 2018 price sheet lists them as $0.74 each. I've not tried to
> order them myself - I bought a couple from a local A&P who had ordered
> several.
>
> https://hartzellprop.com/wp-content/uploads/2018-Price-List-Orig.pdf
>
> --
> Tim Lewis -- HEF (Manassas, VA)
> CFI, A&P
> RV-6A N47TD -- 1104 hrs - sold
> RV-10 N31TD -- 1200 hrs
>
>
Message 3
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| Subject: | Re: Hartzell service bulletin, plug to replace grease fitting |
Well, these parts are a bargain. I see they want $40 for a blank logbook!
--------
Bob Turner
RV-10 QB
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=491889#491889
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