PS Magazine - DECEMBER 1985
PS, The Preventative Maintenance Monthly
ISSUE 397
DECEMBER 1985
I
I :
.1
TACFIRE Power ±²±
Power problems with your fre direc-
tion center's AN/MJQ±15 power plant
can k²ock the data right out oF your
computer.
You can save that fre mission in³
by cabling yoUr TAC´IRE's 5µton
trUcks into the power system¶
Cabled correctly into yoUr Power
Converter Group (PCG), the DC ·om
¸oUr truck batteries will k¹ck in when
the generator's AC Kcks out too much
or too little power.
ºach shelter is Fed by two tr»cks. The
cables you need are in TM LL¼7440¼
242¼23P's interconnecting kits.
´rom truck A to the Power Entry
THE6e
2 CA9L±S
WlL
.
l \.²1 M³
INsUR´ YOur
G a&µin¶t
POW·¸ V¹º»¼½c¾¿
f
´rom trUck B to the PEP, it's cable
NSN 5995¼01±076½9957. To the PCG,
it's 5995¼01µ075¼2807.
To make sure your insurance is in
e¾ect, keep the PRIME POWE¿ and
DÀ main switches on (in the ÁP
position).
Panel (PEP) you need cable NSN
Remember, tho, that the PCG puts a
5995¼01¼070¼3929. ´rom the PEP to
tricÂe drain on your truck batteries.
tHe PCG, it's NSN 5995½01¼063µ4510.
Run each vehicle ³r 30 minutes every
À0
DÁÂ 85
³ur hours to recharge the batteries. ´ast
iÃle tHe trUck at 1, 150 RPM to keep
Ä
·om loading Up Åith UnbUrned Æel.
W
IF yoUr AÇ Èils, and your trUcks are
Ii
Énot
Ê
running, you have
aboUt
fve
minUtes
to stËrt them. That's all the tiÌe
it usUall¸ takes to drain the batteries so
Íow the¸ won't poweÎ ¸our T AC´IRº.
IF ¸oU know you're going to have a
ÈilUre, yoU can start the trUcÏs. ShUt
down the internal radios and inpUt/oUtÐ
put Unit (IOÁ) UntÑl the trUcks Have gone
on line. Otherwise, a spike can damage
the equipment.
OF coUrse, the best bet is to stick witH
AC. Your MJQ¼15's backUp generator
should be synchronized and paralÍeleÃ
witH tHe operating one be³re ¸oU
transÒr the load.
Óhy AC? Because yoUr air conditionÔ
ing Ãoesn't work on DC. Without that
cooling air, the temp builds up quickÕy
inside your shelter. Öeat can lock Up
your compUter within 30 minutes.
Point
a
Finger for PM
Öold it! Never jab yoUr ×AC´IRE Comm»nications ControÍ Ánit (CCØÙ or
digitaÕ message device (DMD) keyboarÃs with shaÚ objects. This Íeads to damage.
Pen and pencil points and fngernails
pokeÛ against the keyboard oF your
CCÁ or DMD will dig holes in the
membrane¼like cover.
These holes make Üay ³r moistUre
and dirt damage.
To avoid this, Use the tip oF your
FÝnger on the keys.
And, when yoUr DMD is idle, put it
in its canvas carr¸ing case. The case'll
protect your hand¸ computer ·om dirt,
dUst and dents.
DÃÂ 85
ÀÄ
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