Anyone know whether this is a direct replacement, or will I need to call them.Searching for airpath compass correction procedure or instructions. Aircraft Spruce shows they have a C2400, but not a 2450. The manual shows my compass to be an Airpath C2450. Looking at prices, it seems that replacment is more feasible than repair. A close friend of mine tried rebuilding his airpath compass, replacing seals and refilling while immersed in fluid, but could never get the seals completely tight, so the leak persisted.My compass began leaking. It replaced a vertical card compass that had serious issues (it would spin around and around at certain engine rpm).
Our Price: 11.50 (10/Pack). They show a Vertical Card compass for $270.Airpath Instrument CB21-602M Compass Bezel and Back Screw > View Details. We answer questions and will provide many detailed photos.Aircraft Spruce's price for theirs is $199.75. This item is: Airpath C2300-DL4 Compass Overhaul Instructions with Parts Listings. J & M Aircraft JMCRK Compass Repair Kit - No Fluid Provided Mechanic's Toolbox.
Has anyone priced compasses from Mooney sources.Airpath Compass Overhaul Series Compass Models Our compass fIuid ( C-21-QT ) isnt included with the kit, it does have to be purchased separately. I have front gaskets (2) and rear diaphragm plus fluid. Is the big screw on top the recommended fill port Did not get a gasket for that in the kit. Seems pretty simple, I already have the front and rear off.
If a compass needs a diaphram, how does mine work without one, or is there one hidden back there where you can't get to it.I picked up my J from Western Skyways last Saturday. Has anyone ever had one of these apart. Mine is the bullet-shaped unit without a removable rear section which would house a diaphram. However, he replaced a diaphram in it.
At this point all the screws come out. With a trip to California on this Saturday now was the time.Two nuts hold it to the airplane once loose the light gets unplugged.Picture 1 shows the before with a "waterline" half way down the middle.Pic 2 is the screw on the back ask about above.Pic 3 cover is off. Well you talked me into it. Low and behold just the moment I needed it there was a thread about just my problem. On the flight back from Montrose the compass was peeing on my foot. They had it from 7/28/12 until 12/1/12, a little longer than the 12 week "estimate" they gave me.
The front gaskets are not symmetrical there is a top and a bottom. Note the direction and side the bevel is on. The glass on the front goes on one way. With both ends open you can clean off the old gasket material. The rear was taken off first and the remainder of the fluid drained.
Airpath Compass Overhaul Driver Is Pointed
Once all the air is out and all the screws are tight you must cut this notch in the edge of the diaphragm so the wire to the light can hide while the cover is put on. Tightening the rear cover while submerged.Pic 6 is the old parts note the notch the screwdriver is pointed at. This time it took 2 tries to get all the air out. Move it around and shake out the bubbles. Recessed side towards the inside of the compass.Pic 5 is the compass assembled in a new 2 cup measuring cup full of compass fluid. The compass is then filled with fluid and the back/diaphragm assembly is put on loosely.
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