Shimmy Damper
- mikemike
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Shimmy Damper
What is the proper way to service the shimmy damper in a Maule MXT-7-180? Thanks. - Mike
- Lowflybye
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Get the tailwheel
Just messin with ya...I have no idea.
Just messin with ya...I have no idea.
"To most people, the sky is the limit. To a pilot, the sky is home."
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- mikemike
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Shimmy Damper
Unfortunately, the maintenance manual does not address the shimmy damper (either under landing gear or nosewheel and nosewheel oleo strut). I'm in for annual now and last annual the mechanic topped the shimmy damper off with hydraulic fluid. I can't remember which way it wouldn't turn, but let's say it wouldn't turn right. Therefore every time I wanted to turn right, I would have to turn left 270°. At first it would turn both directions, but upon landing it "locked up". You can imagine explaining that to the tower. The mechanic let some of the fluid back out, and that made the problem go away. However, it was only a guess as to how much should be taken out. - Mike
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- mikemike
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Tallahassee. I could call the Maule factory, or fly up to Moultrie. I was hoping that with 139 MXTs, that someone had already determined the proper procedure (especially since a few of those have had annuals for 15 years).
Last edited by mikemike on Tue May 08, 2007 4:24 pm, edited 1 time in total.
- Lowflybye
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Check with Jeremy (maules.com) before you make the trip to Moultrie.
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Still a bit cloudy when it comes to aviation insurance? Find some clarity: Clear on Top
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- mikemike
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Jeremy, the shimmy damper on my MXT-7-180 "may" be serviceable. I base that on the problem identified above which was solved by the mechanic bleeding a small amount of hydraulic fluid from the damper (so the unit is not sealed). Maybe the damper should not have had hydraulic fluid added? I have only seen a screw in one end that you might add hydraulic fluid if the damper was taken off the airplane first so you could point the opening up. I am now thinking that hydraulic fluid was added when none should have been added. Thanks. - Mike
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- John
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shimmy damper
The shimmey damper is serviceable with hydraulic oil. Maule did not have a break down drawing. I believe I got the drawing and service notes from Parker Haniffin (Cleveland). Very specfic amount of fluid to go in it measured in cc's. Too much and it will lock up. If you want I can get paper work from hangar and fax to you.
3155B-John
- mikemike
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Shimmy Damper
John, I really appreciate the information. I don't have ready access to a fax, could you describe the procedure? If that won't easily work, I will send you the local FedEx Kinko's number so you can send it there. Thanks. - Mike
- John
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Mike, Sorry, I haven't got back to you sooner, we were up in the Idaho back country at Sulphur Creek Ranch for an extended weekend, thanks to Mother Nature. I'll get the paperwork from the hangar and scan it in for an attachment, if you give me your email address. Ours is: loralee_schmidt@hotmail.com
3155B-John
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