Today's Message Index:
----------------------
1. 07:49 AM - Re: Re: blowout (flyv35b)
2. 05:54 PM - Re: TeamGrumman-List Digest: 4 Msgs - 12/13/03 (Jeff Ferraro)
3. 07:13 PM - Re: Re: TeamGrumman-List Digest: 4 Msgs - 12/13/03 (Geoffrey Hickey)
4. 08:29 PM - Geoff, Baffles (Aucountry@aol.com)
Message 1
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--> TeamGrumman-List message posted by: "flyv35b" <flyv35b@juno.com>
Apparently, the bad linings allowed the
> caliper to unseat the O ring and brake fluid leaked out and caught on
fire.
> The plane I have in my shop now was leaking brake fluid. When I replaced
> the linings, no leaks. My fingers are crossed.
I have found that many times a caliper will start leaking past the O-ring
when the linings get worn, even before they are worn to limit and the brake
disc is within limits (.205" minimim). In these cases the caliper bore is
usually corroded and pitted outside of where the O-ring typically runs, and
installing a new O-ring will not prevent the leakage if the linings and/or
disc are not replaced when they are considerably worn. The corrosion is
obviously more pronounced on planes that sit outside in corrosive
environments such as costal areas, especially with high humidity. Sometimes
these caliper bores can be cleaned up with emery cloth and made to last
awhile longer, but eventually the caliper needs to be replaced.
> Also, I couldn't find one piece of safety wire that was correctly
installed.
> If I had had a digital camera, I'd have especially taken a picture of the
> oil filter installation.
> I know that logically, a mechanic is a mechanic. However, if they aren't
> Grumman mechanics, please keep them away from your Grumman.....
But not all of this shoody workmanship can be attributed to mechanics or
non-grumman mechanics. There are a good number of owners out there who are
trying to save a few dollars who don't know how to do the work properly or
don't care for whatever reason.
Cliff A&P/IA
----- Original Message -----
From: <Aucountry@aol.com>
Subject: TeamGrumman-List: Re: blowout
> --> TeamGrumman-List message posted by: Aucountry@aol.com
>
>
> In a message dated 12/12/03 10:30:04 AM, V1Rotate@prodigy.net writes:
>
>
> > If you're implying that the actual heat transfer from the hot brakes
caused
> > the tire to blow out before you even cleared the runway,
> >
>
> Years ago, I worked on a Tiger that had a very badly warped brake fairing
> cover. The owner explained to me that the brakes had been worn down, he
knew
> the rivets were rubbing on the disk, and during the rool-out, when he
applied
> brakes, the wheel caught on fire. Apparently, the bad linings allowed
the
> caliper to unseat the O ring and brake fluid leaked out and caught on
fire.
>
> The plane I have in my shop now was leaking brake fluid. When I replaced
> the linings, no leaks. My fingers are crossed.
>
> Also, I couldn't find one piece of safety wire that was correctly
installed.
> If I had had a digital camera, I'd have especially taken a picture of the
> oil filter installation.
>
> I know that logically, a mechanic is a mechanic. However, if they aren't
> Grumman mechanics, please keep them away from your Grumman.....
>
> Someone who has been around Grummans for a long time stated that he
thought a
> particular baffle (seal) installation was fine. Here again, I know
> logically that it doesn't take a rocket scientist (grin*) to install
baffle seals.
> However, if your mechanic doesn't know how important perfect baffle seals
are
> on a Grumman, go elsewhere.
>
>
> Gary
> www.AuCountry.com
>
> Home of "Team Grumman"
> TeamGrumman-List@matronics.com
>
>
Message 2
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| Subject: | RE: TeamGrumman-List Digest: 4 Msgs - 12/13/03 |
--> TeamGrumman-List message posted by: "Jeff Ferraro" <jferraro@mail.smu.edu>
Tiger POH lists 25psi nose, 35 mains....FYI, Jeff Ferraro N28745 KTKI
Message 2 _____________________________________
Time: 09:37:22 PM PST US
From: "greg and lisa walsh" <glwalsh@optusnet.com.au>
Subject: TeamGrumman-List: tyre pressure
--> TeamGrumman-List message posted by: "greg and lisa walsh"
<glwalsh@optusnet.com.au>
unable to find in flight manual main and nose tyre pressure
can anyone help me out!!
greg walsh
cheetah VH-FXV
Message 3
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| Subject: | Re: RE: TeamGrumman-List Digest: 4 Msgs - 12/13/03 |
--> TeamGrumman-List message posted by: Geoffrey Hickey <ardri@comcast.net>
But for the Cheetah, it's 24 psi for the mains and 21 for the nose. Most
people seem to feel that's a little too low and keep them slightly
higher for easier ground handling. I keep mine at 30 and 25.
- Geoff Hickey
Cheetah N26681
Jeff Ferraro wrote:
>--> TeamGrumman-List message posted by: "Jeff Ferraro" <jferraro@mail.smu.edu>
>
>Tiger POH lists 25psi nose, 35 mains....FYI, Jeff Ferraro N28745 KTKI
>
>Message 2 _____________________________________
>
>
>Time: 09:37:22 PM PST US
>From: "greg and lisa walsh" <glwalsh@optusnet.com.au>
>Subject: TeamGrumman-List: tyre pressure
>
>--> TeamGrumman-List message posted by: "greg and lisa walsh"
><glwalsh@optusnet.com.au>
>
>unable to find in flight manual main and nose tyre pressure
>can anyone help me out!!
>
>greg walsh
>cheetah VH-FXV
>
>
>
>
Message 4
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--> TeamGrumman-List message posted by: Aucountry@aol.com
In a message dated 12/14/03 07:13:55 PM, ardri@comcast.net writes:
> - Geoff Hickey
> Cheetah N26681
>
Geoff, I took your baffles to a few places to see if I could find red
wrinkle. I couldn't. So, I had the last place I went to do them in the gray
wrinkle. They should be shipped here sometime in the next couple of days.
I the next few days I'll be installing the MT prop. I'm also trying to
finish up a couple of annuals. Can you beleive it? I'll have done 19 annuals
this year. That's a far cry from the 3 I did the first year just 5 years ago.
That doesn't count all the other repairs and maintenance I've done in
between. I really need more hangar space.
Give me a day or two to finish up your baffles after I get them. Then I
send them back to you.
Gary
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