PS Magazine - TB 43-PS-685
PS, The Preventative Maintenance Monthly
ISSUE 685
DECEMBER 2009
36
DEC 09
37
DEC 09
PS 685
Y
our bird has many places where you shouldn’t put your feet. We told you where not
to put “de-feet” on
Page 39 in PS 617 (Apr 04)
when working around or on a Black
Hawk engine.
Black Hawks and AH-64s have the same engine and share some of the same
components that you should never put your feet on.
For AH-64 mechanics, there’s something else you need to avoid when working
around the engine. When doing engine maintenance or going top side, steer your feet
clear of the engine shroud assembly, NSN 1650-01-172-5052. Also make sure you
don’t lean on the shroud assembly, which some mechanics call a heat shield.
The heat shield is thin and cannot take your weight and will crack if you lean or
step on it. If cracks occur, the heat shield will need replacing. It costs more than 2,000
bucks to replace a heat shield. Ouch!!
M
echanics, putting on and taking off the Black Hawk nose cover is not that simple.
Pay attention to the free air temperature (FAT) gauges when removing or installing
the cover. Make sure the slots in the cover ±t over the gauges.
You’ll need to lift the cover high enough to clear the gauges as you remove the
cover. And you’ll have to clear the gauges again when you put the cover on. Either
way, eyeball the FAT gauges so the cover won’t snag.
That’s not good because your bird will be out of commission until new windshields
come in and avionic repairs are made to the FAT gauges.
So go easy when removing and installing the cover around the FAT gauges. You can
avoid unnecessary downtime and repairs.
If the cover does
snag, don’t yank the
cover loose from the
FAT gauges. If you rip
the cover loose, you
can also rip off the
FAT gauges and crack
or break the pilot
and copilot overhead
windshields.
AH-64A/D…
Protect The Heat Shield
the best way to
prevent
damage to
the heat shield is to
keep your feet off
it. don’t lean or sit
on it, either!
Engine heat shield is
not
a seat or foot rest
as soon as
I’m done
back here,
your engine
is next.
fine with me,
but steer
your feet and
body away
from my heat
shield!
UH-60 Series…
AIRCRAFT NOSE COVER
Lift cover off gauges
we didn’t
snag it this
time!
working with
this cover is a
headache…
but a broken
FAT Gauge is a
migraine!
685.36-37.indd
1-2
10/26/09
3:15:58 PM
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