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kboatright1(at)comcast.ne
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 Posted: Sun May 14, 2006 5:23 pm Post subject: Rotating the Tires |
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I finished my condition inspection yesterday but deferred pulling the =
wheels. A visual inspection indicated that the brakes are in good shape, =
and the tires have plenty of tread left, but it soon will be time to =
rotate the tires left to right again, and when I do that, I'll re-pack =
the wheel bearings.
Anyway, the point is that whenever I do this, it seems to take forever. =
You'd think it would be doable in a couple of hours, but for me it seems =
to take a half day. Pulling the wheelpants, extracting the cotter pins =
on the axle nuts, pulling loose the brake calipers, alternately jacking =
up one side of the plane, then the other, removing a wheel and putting =
the axle up on wood blocks. Then, it is time to let the air out of the =
tubes, split the wheels, clean and pack the bearings, and reverse the =
process. It takes forever... Which is why I deferred it yesterday. I =
wanted to be done with the condition inspection, which turned out fine, =
except for a broken Adel clamp on one of the exhaust hangars. Also, I =
had my AI replace the mixture control thingie in the carburetor, because =
it wasn't sealing well and it was getting difficult to stop the engine =
with the mixture control.
Back to the reason for the post... Are there any masters of the tire =
rotation task? If so, what are your suggestions, other than having =
everything at hand when the time comes?
Suggestions appreciated.
KB
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dan(at)rvproject.com
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| Posted: Sun May 14, 2006 6:51 pm Post subject: Rotating the Tires |
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Rotated mine today. It took about an hour and a half. Once you get the
system down it goes more quickly. Here are my "tips":
1. I use 3/8" long screws on the wheel pants instead of the 1/2" screws
called out on the plans. Shorter screws means fewer threads...means the
screws are in/out faster. Also saves a tiny bit of weight (whatever).
2. I use a 7/16" "ratcheting dogbone" wrench on the bolts that attach the
outsides of the wheel pants to the axle nut. This makes very quick work of
getting those bolts out and back in. You might be able to get a small
socket wrench on there, but I find the ratcheting dogbone is exactly what
the doctor ordered.
3. Remove the valve stem completely when working with tubes. When you said
"let the air out" in your email below, I wasn't sure how you were doing
that...so if you're not removing the valve stem, do that. Air is let out
very quickly (pretty much instantely...no need to hold the valve) and the
tubes are much easier to work with when scrunching 'em up to fit into the
tires.
4. This is general advice rather than a trick...DO NOT HANDLE A FULLY
INFLATED TIRE/WHEEL that is not held captive by the axle nut. While it's
extraordinarily unlikely, it HAS happened -- the wheel can "explode" by
virtue of the halves separating, becoming projectiles. I *ALWAYS* remove
the valve stem completely before loosening the axle nut. I re-inflate the
tires only after the wheel is on the axle with the axle nut ON. In your
email below it sounded like you removed the wheel from the axle and then let
the air out. Ask around among A&Ps or shops and you'll hear some real
horror stories. I met one guy personally who suffered a head injury when a
wheel separated.
Hope this helps...
)_( Dan
RV-7 N714D (904 hours)
http://www.rvproject.com
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seiders(at)bellsouth.net
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| Posted: Mon May 15, 2006 5:19 am Post subject: Rotating the Tires |
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Sounds like what I do exactly, and it takes 4 hrs to do it right. I suppose
you could work faster, but likely make mistakes and add to future woes.
It's a pain. The last occasion for me I saved time by installing new tires
at the change instead of switching as tires were worn on the outside a bit
more than usual. Saving time = spending more. Relax and enjoy it.
Dick
At 09:20 PM 5/14/2006, you wrote:
| Quote: |
I finished my condition inspection yesterday but deferred pulling the =
wheels. A visual inspection indicated that the brakes are in good shape, =
and the tires have plenty of tread left, but it soon will be time to =
rotate the tires left to right again, and when I do that, I'll re-pack =
the wheel bearings.
Anyway, the point is that whenever I do this, it seems to take forever. =
You'd think it would be doable in a couple of hours, but for me it seems =
to take a half day. Pulling the wheelpants, extracting the cotter pins =
on the axle nuts, pulling loose the brake calipers, alternately jacking =
up one side of the plane, then the other, removing a wheel and putting =
the axle up on wood blocks. Then, it is time to let the air out of the =
tubes, split the wheels, clean and pack the bearings, and reverse the =
process. It takes forever... Which is why I deferred it yesterday. I =
wanted to be done with the condition inspection, which turned out fine, =
except for a broken Adel clamp on one of the exhaust hangars. Also, I =
had my AI replace the mixture control thingie in the carburetor, because =
it wasn't sealing well and it was getting difficult to stop the engine =
with the mixture control.
Back to the reason for the post... Are there any masters of the tire =
rotation task? If so, what are your suggestions, other than having =
everything at hand when the time comes?
Suggestions appreciated.
KB
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pitts_pilot(at)bellsouth.
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| Posted: Mon May 15, 2006 5:42 am Post subject: Rotating the Tires |
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How much time is taken up with trying to get the bead of the tire off
the rim???? The best advice I ever got was to use liberal amounts of
talc ..... on the tube, in the tire, and on the wheel itself. The next
time you split the wheel, it'll be a whole lot easier.
Linn
do not archive
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n1cxo320(at)salidaco.com
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| Posted: Mon May 15, 2006 8:49 am Post subject: Rotating the Tires |
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Kyle,
I think rotating the tires is a lot of work for minimal returns. I decided
some time ago to get the best tires out there and leave them in place. I
found that the Goodyear Flight Custom II wear like iron. I have not rotated
them and they seem to wear fairly evenly...I use 30PSI....I can't recall
when I replaced them, must have been several years ago and many, many,
landings, and they still have deep even threads.
FWIW John at Salida, CO
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don.wentz(at)intel.com
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| Posted: Mon May 15, 2006 1:11 pm Post subject: Rotating the Tires |
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Wow,
Something to remember, although I also finished installing new tires
last weekend.
Most RV guys I know do ONE tire 'rotation' for the life of the tire. If
you wait until the insides of the tires are just about done before you
rotate, you should only have to do it once, and it will significantly
lengthen the life of your tires.
My 'AeroTrainers' lasted a little over 300 hrs, and with one 'rotation',
a set of "Condors" lasted 600 hrs on my RV-6 (the grooves were still
just visible, no cording).
I can't do the swap in an hour and a half, but all of Dan's tips should
help.
Don
RV-6 925hrs
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don.wentz(at)intel.com
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| Posted: Tue May 16, 2006 8:29 am Post subject: Rotating the Tires |
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Oops,
I meant 'outsides' are just about gone.
dw
Do not archive
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