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I would remove the lower strut completely, clean it, fill with 10 ounces and when putting back check the O-ring of the upper piston too.
All you have to do is remove the lower bolt that holds the strut.
 
On the other hand, might have had already 5 ounces old oil in the strut and added 5 more ounces. That should be totally fine.
 
But I recommend the total removal of the lower strut. It is easy to do while the plane is jacked and it assures, you are getting all the dirt out of the assembly plus you'll know the condition of the O-ring, more importently, if you find cups instead of an o-ring, you'll have to use a differnt fluid also. ( brake fluid)
 
I had my struts serviced by my mechanic, who went by the book and added hydraulic oil, but these struts had cups in and the oil made them soft, after a year or so, they where toast.
 
Hartmut
----- Original Message -----
From: Ed Clavel
To: Coupe-Tech
Sent: Thursday, June 09, 2005 7:58 PM
Subject: [COUPERS-TECH] MLR shock strut

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Hi gang,
Old 3396H here. Question! On the 415C Service manual page 34 it states that the strut should be filled in the full extended position with the bumper removed and it should hold aprox. 10 ounces of fluid. (I used 5606). All that it seems to take is aprox. 4 or  5 ounces. In the full extended position(AC jacked up) I filled it until it ran out of the little filler receptical. Can't figure out how to get anywhere close to 10 ounces in it. Any ideas?
Ed
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