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1. 10:18 AM - Re: Exhaust Flange Torque (Gary L Vogt)
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| Subject: | Re: Exhaust Flange Torque |
I sent that before I was done editing. -Like Bob Steward said, anything a
round 180 inch pounds is good.-=0A=0AI still prefer the grade 8 nuts. -
At least if one does get rusted onto the stud, I can pull the stud with the
stuck nut instead of stripping off the corners of the nuts.-=0A=0A=0A=0A
On Sunday, March 9, 2014 11:20 PM, FLYaDIVE <flyadive@gmail.com> wrote:=0A
=0ABus:=0A=0AYou are dealing with STEEL studs and hardened STEEL nuts.=0ASo
, the easy way is to pull out the maintance manual and usually in the last
section ther will be a torque chart.=0ALook up the DIAMETER and THREAD COUN
T for the size of the stud. -It will have the-torque value & +/- tolera
nce. -Remember this value is for a dry thread... -No oil, no anti seize
.=0ATRICK: -It is a pain to get the blow proof gaskets, exhaust,-washer
s and nuts all pulled up and in place. -So use a smear of High Temp RTV t
o hold the blow proof gasket in place. -Once in place then you can positi
on the exhaust and only use a couple of nuts LOOSELY just to hold it. -Th
en you can put the NEW star washers in place, snug the nuts. -Then, torqu
e as required.=0ANOW - The RTV is there only to hold things in place. -So
me will say the RTV will not hold up to the exhaust temps. -So what...
-It holds things in place and... I have never had a leak once installed t
his way. -Permatex makes a copper RTV that is up around 1200 F. -It wor
ks.=0A=0ABest of luck,=0ABarry=0A"Chop'd Liver"=0A=0A=0AOn Sunday, March 9,
2014, busdriver <clmiller@netzero.net> wrote:=0A=0A--> TeamGrumman-List me
ssage posted by: "busdriver" <clmiller@netzero.net>=0A>=0A>I currently have
the stock exhaust disassembled on my AG5B for an exhaust leak at a couple
of the flanges. -I have everything cleaned up, trued up, new clamps, gask
ets, and attaching hardware. -Was wondering what the torque values are fo
r reassembly? -I have found "40 in/lb minimum" for the studs (seems a bit
vague) and everything from 90-204 in/lb for the flange nuts (using new int
ernal locking star washers). -Any assistance would be greatly appreciated
. -Thank you!=0A>=0A>=0A>=0A>=0A>Read this topic online here:=0A>=0A>http
://forums.matronics.com/viewtopic.php?p=420045#420045=0A>=0A>=0A>=0A>=0A>
=0A>=0A>=0A>============0A>List" target="_blank">ht
tp://www.matronics.com/Navigator?TeamGrumman-List=0A>=======
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