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pnicholson
Joined: 04 Jun 2011
Posts: 46
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 Posted: Mon Feb 06, 2012 10:18 am Post subject: basic lube question |
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Gentlemen,
Could you advise what grade of lube you are using for landing gear
etc. Anyone using synthetic? What commercially available tool are you
applying the lube with?
Thanks,
Phil
C-FEPN
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wlannon(at)shaw.ca
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| Posted: Mon Feb 06, 2012 7:50 pm Post subject: basic lube question |
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Phil;
If you are referring to grease I use and recommend Aeroshell 5.
Walt
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Cliff.Coy
Joined: 03 Mar 2007
Posts: 46
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| Posted: Thu Feb 09, 2012 2:37 pm Post subject: basic lube question |
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For the wheel bearings: Aeroshell #5
For the propeller: Aeroshell #6
For the landing gear and other moving/sliding assemblies: Aeroshell #7
For the actuators and other air components we use MIL-G-4343 Pneumatic System grease. it can be found as Aeroshell #43 or Royco #43 or Jet Lube #33.
Cheers,
Cliff
On Mon, Feb 6, 2012 at 22:45, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
[quote]--> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
Phil;
If you are referring to grease I use and recommend Aeroshell 5.
Walt
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wlannon(at)shaw.ca
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| Posted: Fri Feb 10, 2012 9:30 am Post subject: basic lube question |
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Cliff;
For the propellor – Many years ago (25+) Shell stopped producing Aeroshell Grease 5 which was the Hamilton Standard spec. for the counterweight type propellor (2D30, 12D40, etc.) So most overhaul facilities reverted to Aeroshell 6. A few years later the demand for Grease 5 was so high that it was produced under the ROYCO name and then finally back under Shell.
Check the Aeroshell specs. for 5 & 6. You will find that Grease 6 is an “economical” general purpose grease. Its load carrying abilities are limited and it’s upper temperature limit is extremely low. The blade bearing rollers and races in the type of propellors we are dealing with require a high load bearing grease such as Aeroshell 5.
This may be more critical for HS counterweight types than for the Russian/Chinese variety since the blade turning torque is set much higher. - 50lb/ft vs 8 lb/ft.
For the landing gear Grease 7 is fine but so is Grease 5. Why add another grease gun?
For the pneumatic system I agree.
Cheers;
Walt
From: Cliff Coy (cliff.coy(at)gmail.com)
Sent: Thursday, February 09, 2012 2:36 PM
To: yak-list(at)matronics.com (yak-list(at)matronics.com)
Subject: Re: basic lube question
For the wheel bearings: Aeroshell #5
For the propeller: Aeroshell #6
For the landing gear and other moving/sliding assemblies: Aeroshell #7
For the actuators and other air components we use MIL-G-4343 Pneumatic System grease. it can be found as Aeroshell #43 or Royco #43 or Jet Lube #33.
Cheers,
Cliff
On Mon, Feb 6, 2012 at 22:45, Walter Lannon <wlannon(at)shaw.ca (wlannon(at)shaw.ca)> wrote:
| Quote: | --> Yak-List message posted by: "Walter Lannon" <wlannon(at)shaw.ca (wlannon(at)shaw.ca)>
Phil;
If you are referring to grease I use and recommend Aeroshell 5.
Walt
-----Original Message----- From: Philip Nicholson Sent: Monday, February 06, 2012 10:16 AM To: yak-list(at)matronics.com (yak-list(at)matronics.com) Subject: basic lube question
--> Yak-List message posted by: Philip Nicholson <pednicholson(at)gmail.com (pednicholson(at)gmail.com)>
Gentlemen,
Could you advise what grade of lube you are using for landing gear
etc. Anyone using synthetic? What commercially available tool are you
applying the lube with?
Thanks,
Phil
C-FEPN
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Clifford Coy
Border Air Ltd.
629 Airport Rd.
Swanton, VT 05488
802-868-2822 TEL
802-868-4465 FAX
Skype: Cliff.Coy
[quote]
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Cliff.Coy
Joined: 03 Mar 2007
Posts: 46
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| Posted: Fri Feb 10, 2012 10:32 am Post subject: basic lube question |
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*Good afternoon Walt,
You're absolutely correct- it's all about the grease guns! *grin*
Hartzell propellers are manufactured and serviced with Aeroshell #6 and
does not recommend mixing of greases.
Therefore we have one grease gun labeled for propeller use only.
We have one grease gun with Aeroshell #7- which is a general purpose grease
approved for damn near everything.
We have a bearing packer filled with #5 which is recommended by Aeroshell
for wheel bearings.
Since we service over 60 aircraft a year and these greases are approved for
the applications for which we use them, it's simpler to use the "5,6,7"
rule in most cases.
Best regards,
Cliff
*
On Fri, Feb 10, 2012 at 12:29, Walter Lannon <wlannon(at)shaw.ca> wrote:
[quote] Cliff;
For the propellor Many years ago (25+) Shell stopped producing Aeroshell
Grease 5 which was the Hamilton Standard spec. for the counterweight type
propellor (2D30, 12D40, etc.) So most overhaul facilities reverted to
Aeroshell 6. A few years later the demand for Grease 5 was so high that it
was produced under the ROYCO name and then finally back under Shell.
Check the Aeroshell specs. for 5 & 6. You will find that Grease 6 is an
economical general purpose grease. Its load carrying abilities are
limited and its upper temperature limit is extremely low. The blade
bearing rollers and races in the type of propellors we are dealing with
require a high load bearing grease such as Aeroshell 5.
This may be more critical for HS counterweight types than for the
Russian/Chinese variety since the blade turning torque is set much higher
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