PS Magazine - TB 43-PS-707
PS, The Preventative Maintenance Monthly
ISSUE 707
OCTOBER 2011
26
PS 707
OCT 11
M
echanics, one component in your AH-64 that can’t take a licking and keep on
ticking is the sensor surveying unit (SSU), NSN 1270-01-159-7994.
Pay attention when removing
the co-pilot seat because the sensor
SSU mounts and the seat are very
close. The mounts are not strong
and break easily if the heavy seat
bangs into them.
The SSU sends signals to the
integrated
helmet
and
display
sighting system (IHADSS). If the
SSU is broken, your helmet will
no longer be connected to aircraft
weapons and the target acquisition
designation sight (TADS).
If the mounts are broken, it’s over for your bird. It will be red X’d and won’t be
Fying until the SSU mount gets repaired by a depot maintenance contact team.
The pilot seat is less of a problem because there’s more clearance between the SSU
and the seat. But, if you’re not careful removing the pilot seat, the SSU can suffer
damage there, too.
Be careful removing your seats. If you aren’t, the SSU will take a licking and
stop ticking.
AH-64A/D…
S
eat
C
an
Damage
SSU
Let “PM” Prevail
Protect SSU when removing seat
I hate it when you
have to take out my
seats. My SSU takes
a real
beating!
someday I
will become
a knight…
like the one
I serve.
now is my
chance to earn
my knighthood.
I will
vanquish
the foe…
by
myself!
a
light…
off in the
distance!
it is the
enemy!
L
ong ago in
medieval times,
a young squire
stands watch…
M
oments
later…
don’t
Worry!
I’ll go easy.
I won’t yank
them out!
707 26-27.indd
1-2
8/26/11
3:12 PM
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