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TimRVator(at)comcast.net
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 Posted: Sun Oct 20, 2019 7:13 am Post subject: Hartzell service bulletin, plug to replace grease fitting |
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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
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Kelly McMullen
Joined: 16 Apr 2008
Posts: 1188
Location: Sun Lakes AZ
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| Posted: Sun Oct 20, 2019 7:48 am Post subject: Hartzell service bulletin, plug to replace grease fitting |
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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.
| Quote: | | Sent from my TRS-80 Model 100 |
On Sun, Oct 20, 2019 at 8:17 AM Tim Lewis <TimRVator(at)comcast.net (TimRVator(at)comcast.net)> wrote:
| Quote: | --> RV10-List message posted by: Tim Lewis <TimRVator(at)comcast.net (TimRVator(at)comcast.net)>
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
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Kelly McMullen
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Bob Turner
Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA
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| Posted: Sun Oct 20, 2019 5:12 pm Post subject: Re: Hartzell service bulletin, plug to replace grease fittin |
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Well, these parts are a bargain. I see they want $40 for a blank logbook!
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Bob Turner
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TimRVator(at)comcast.net
Guest
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| Posted: Mon Oct 21, 2019 6:19 am Post subject: Hartzell service bulletin, plug to replace grease fitting |
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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). The plugs are stronger than the
zerk, less likely to break off.
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
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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