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1. 08:45 AM - Re: Re: Flaps Won't Retract (Anthony Royal)
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| Subject: | Re: Flaps Won't Retract |
Bill,Also found have to emergency extend flaps and gear to get all fluid ou
t before checking accumulator pressure. Just the flaps leaves fluid in the
bottles and you get an inaccurate reading reading on one bottle. =C2-Just
my 2 cents worthTony=C2-
On Saturday, June 24, 2017 1:07 AM, William Geipel <l129bs@gmail.com> w
rote:
Always the micro Sw.
Normal system fills all. Make sure tank is full. Might take a long time to
bleed off pressure.
Fill it up within in an inch of the top of the filter screen.
Run the engine at 80% and hold that handle while actuating the speed brakes
. Let the hyd pressure gauge go all the way up and back to zero,
then retract the speed brakes and let the needle go up then back to zero wh
ile holding the handle forward. Takes about 4-5 times/ Never let go of the
handle,
I might suggest that when servicing the hydraulic system at the annual insp
ection, be sure the accumulators have the nitrogen pre-charge of 50 ATM in
each bottle.
Bottles must be completely empty of pressure before checking pre-charge. Op
en flap extension emergency valve and drain completely until accumulator pr
essure is zero.
Lots of fluid and air out the right wing drain valve.
> On Jun 23, 2017, at 16:17, RJM <Richard@Mrazek.ca> wrote:
>
>
> Hi Bill,
>
> Well we found the micro switch that wasn't working.=C2- Next to impossi
ble to remove so we sprayed it with cleaner and been exercising it regularl
y.=C2- It now appears to be consistently working.=C2- Time will tell...
>
> One more question...does the 2.6l of fluid for the emergency side come fr
om the main hydraulic tank, or are the accumulators filled separately somew
here with fluid?=C2- Does this happen with the Accu Fill lever or is that
air only?
>
> Multiple manuals but no real concise answer.
>
> Thanks,
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=470426#470426
>
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S -
WIKI -
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=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
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