PS Magazine - DECEMBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 373
DECEMBER 1983
Take a look!
If you've got the new static power
inverter (NSN 6130-01-099-4349) in
your A±/MPQ-49 ForwaRd ARea
Ale²g ³adar, you've got o´rator µnd
organ¶ational maintenance changes to
make in your checks and services.
The quickest way to tell whether
you've got the new inveR·er is to check
the ¸se marking on the ¹ont paneL. If
"1 AMº» is marked under the ¸se¼
holder, you've got the new ½¾verter.
If "5 ¿P» is there, you've got the
old inverter , NS± 6130-ÀÁ280-2Â84.
It's The laTesT!
ChEk Ãhe spaRe ¸seholders to be sURe
the fuses match the inveÄer you have.
MOS CHEck
Å2 to TM 9-1430-588-ÆÇ-2 cuts out Èart of the MDS check on the new ½Éverter.
ÊHere is Ëo current adjust on the
A
card , but you still adJust Voltage on the
al
card.
Åurrent iÌ self -adjusting. Íhe inverter allows
.5
second or less of exceÌs current
Îd then trips the breaker. It GvÏ bÐÑer protEtion, but it seÒs uÈ a new steÈ Ór You.
ÔÕke tHe older inverter, tHe Öew one does not reset automaticalLy. ×ou must
14
.±² at The
mAIN
POWER
reseØ at the MAIN POWÙÚ BreaÛÜr on the power distriÝution u
l
t (ÞDßà.
ÊHe vol·age regulator Ìtill reÌets automaticáây wHen the ãult is reäovåd.
-±²³´µ¶·¸
-±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇ ÈÉÊËÌÍ
ÎÏÐÑÒ
nEw
Tr±nsistors
If the A5 and æ6 tranÌistors are turned on at tHe same time in the new inveRter,
the base drive wiçè shut down. Thére's no automatic reset. ×êu have to reset by
tripping the PDÔ MAI± POëÙ³ breaker.
ì
p±rts List
PaRtÌ Ór both inverters are in TM 9-1430-í88-24î ïet the right parts by
ordeRi¾g those listed under the ±SN ðr youR old or new inveRñer.
l·HAWK L±T Caps
Åheck the seRial number on your
X501Ù3
loaderòtranspoRters óóó and
grab a pencil.
If the serial number is 08101 or under,
you
c
now get a rubber caÈ Ór each
of the 7 support posts on your ôÊõs
batterö r÷r. øSN 53ù-À-679-9659
gets you 1 each of the caps.
³ap ea´h
suppor posT
ôú's with a seRial number 0810Æ and
above have stUrdier batñeRy reû½ners and
dü not need the caps.
15
Make a note:
±S±
5935-À-137ý467Ç has been
assigned to the boom cable receptacLe
³able
Re´epTa´le
´oveR
coþer (ÿtem 13, Fig 53, ÊM 9-1450-
5À-24P ). Êhe pĀ number hā been
changed
from
9098691
to
MS
25043-22D.
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