Tim Olson
Joined: 25 Jan 2007
Posts: 2872
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 Posted: Mon Dec 28, 2015 6:28 am Post subject: Slick Mag 1100 hrs. |
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So on the topic of these Mag drive bushings...
I ordered 3 sets of them to keep on hand. They were cheap.
But, I think there is an issue with my order.
I am pretty sure my old bushings did NOT have the tangs out the side.
The old bushings were the LW13641 type then, because the new
drive gear is p/n LW-13899 and the new cushions are
p/n 68H22624, and if you read SI 1299B, it shows a picture
of the new ones having tangs on them.
Attached is a photo of what I received. Yes, mine were not
"lycoming" branded, but sold by Continental (previously ECI),
and are aftermarket. But they came with the tangs. So I can
only assume that they are shipping the incorrect (new) part
under the old part number. Even the baggie they came in has
the old p/n.
Does this sound correct to any of you that are in the know?
Tim
On 12/7/2015 9:52 AM, David Saylor wrote:
| Quote: | I poked around and found Lyc Service Instruction 1299B. It has p/ns,
pictures, applicability, yada yada. I'm not sure if they work on all
Lycomings but the SI gives SN ranges. --D
On Sunday, December 6, 2015, Tim Olson <Tim(at)myrv10.com
<mailto:Tim(at)myrv10.com>> wrote:
You don't happen to have the info on the p/n or manufacturer and
compatibility with our IO-540's do you?
I've had mine out a couple times but have not replaced them and
they're almost 1200 hours old so I figured I'd order 2 or 3 pairs,
since I'll have 2 airplanes to care for.
Tim
On Dec 6, 2015, at 7:29 PM, David Saylor <saylor.dave(at)gmail.com
<javascript:_e(%7B%7D,'cvml','saylor.dave(at)gmail.com');>> wrote:
> I installed two Slicks on a newer Lycoming at work the other day.
> The drive pads were a different design with tabs that engaged
> slots in the drive gears. It was pretty easy to feel the pads
> snap into place, and once engaged they stayed in place really well.
>
> I know in the past (my own plane in particular) I've battled
> trying to keep the pads in place while wresting the mags into the
> holes. The new design makes it pretty easy.
>
> --Dave
>
> On Sun, Dec 6, 2015 at 12:16 PM, Rob Kermanj <flysrv10(at)gmail.com
> <javascript:_e(%7B%7D,'cvml','flysrv10(at)gmail.com');>> wrote:
>
> On my last flight, I felt a miss on climb out so I decided to
> pull the mags and take a look.
>
> As soon as I pulled the mags, I noticed that pieces of Mag
> Drive Cushions were missing on both mags and I could not find
> them in the mag hole.
>
> So I drained the oil and pull the Oil Suction Screen out and
> to my pleasant surprise, both pieces were found in the strainer.
>
> The part no. for the cushions is LW13641. I recommend that
> they are replaced every time the mags are pulled out. The new
> parts feel soft and the old parts were brittle, I assume due
> to heat.
>
> The cushions are held in place temporarily with fuel lube
> during the mag installation so you want to be sure they do not
> fall out while you are inserting the mag into the drive.
>
> The mag components all checked out and everything looked
> good. I cleaned all the parts and replaced one rotor and the
> engine runs very smooth now. Not sure if the cushions had
> anything to do with the engine miss or not.
>
> DO NOT ARCHIVE.
>
> Rob Kermanj
> <IMG_1922.jpeg>
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