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Tommy,
Sorry it took so long to respond.
You know, work and researching your question and such. Anyway when it
comes to this particular component in the control system no wear tolerance value
is given in either the service manual, service bulletins, memorandums, or
AD. There is literature on checking end play on the ailerons and
rudder then when found out of tolerance to troubleshoot why. The
best bet is to consult and find a remedy from the type certificate holder,
Univair.
I'd check out the cause of this, hate to fix the
quadrant only to have this come up again. Some of my thoughts. Was
this unit ever removed and disassembled in the past? Did this
airframe ever have the rudder pedal modification in it's history? Is there
binding in other control components like the rudder bellcrank located in the
horizontal stabilizer?
After responding to your question on the 20th,
I'm sure that after disassembly you will find holes elongated. Problem is,
how to fix it. You could go to the next bolt size larger, that is, if you
were in a fix and had to get the aircraft airborne for some reason
like hurricane evacuation. Even then consult the type certificate
holder. If obtaining replacement parts is an issue. There are other
sources besides Univair. Try Skyport and talk to John Cooper (800)
624-5312 or Precision Services Inc and talk to Vernon Gregory (803)
796-2605. They may be able to hook you up with replacement parts for your
center control. Good luck and please keep us posted on your
findings. Hope to see you airborne soon.
Walt Uebele
1946 415-C
N94113
From: Tommy Terry [mailto:[EMAIL PROTECTED]
Sent: Saturday, November 27, 2004 5:20 PM
To: [email protected]
Subject: [COUPERS-TECH] Slack in center control quadrant
----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Does anyone know the amount of slack
that is “tolerable” in the center control section? 93929 has about
1/8 inch movement of the aileron bell crank before the rudder bell crank
moves.
Thanks
93929
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