PS Magazine - TB 43-PS-435
PS, The Preventative Maintenance Monthly
ISSUE 435
FEBRUARY 1989
ere' s not much you can do to main-
tain youR avIator±s night vision imaging
system, AN/ A VS²6. Most unit mainte-
nance is done by trained technicians³
But there are some things you should
not do:
Never
clean the lenses of your gog-
gles with anything but lens paper, NSN
6640²00´240´5851.
Anything
else
could scratch the lenses³
Never
bend or crimp the cable that
connects the power pack to the goggles
when you put the
p
ower pack into the
caµying case³ The best way to avoid
damaging the cable is to insert the
power pack with the power connector
F¶cing up³ Then you can place the cable
in the excess area within the power
pack cell³
Never
·rget to tu¸ o¹ system
power when you 're through using the
goggles³ ºf you ·rget, the 2 lithium
batteries that power the system will run
down and have to »e replaced³
36
FEB 89
AH-±4A Apach² .³.
Dear Editor,
The cathode ray tube (CR±) of the helmet display unit (HDU) on our
Apaches is a ve² delicate pi³e of equipment that gets damaged easily.
But if you folLow theSe handling tips, you can't go wrong.
0
Unwrap the tube and cable
assembly-just like you unwrap
a phone cord-before using the
CRT.
Untwist
the cable
0
´tore the HDU in its holster
assembly on the cockpit Foor.
Use care not to jam the base of
the CRT into the pilot seat or the
Foor.
FEB 89
0
Wrap electrical tµpe around
the cable at the back of the CRT
to give it some strain relief.
TaPe relIeves
the strain
0
Never Fex
the cable at the
90¶degree bend.
I
you do· you¸ll
overstress the
cable and
sho¹en it's life.
0
When you puº maps or the
logbook into the pocket, be sure
not to jam them down on top of
the HDU and push the CRT into
the Foor.
»WO ¼ar²
J´
´imone
f
Hood, TX
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