PS Magazine - TB 43-PS-444
PS, The Preventative Maintenance Monthly
ISSUE 444
NOVEMBER 1989
M102 Fire ContRol-Again
Let's try it again, M102 howitzeR
cRews, concerning missing oR inoper-
able secondary fire contRol InstRuments.
TB 43±0001²36±2 (Ju³ 87) deleted the
NMC criteRia for the M14A1 quadRant
and the M114A1 telescope, but not FoR
the M´ A2 gUnneR's qUadRantµ You must
have an opeRating M1 A2 foR your Howit¶
ZeR to be ·¸Cµ
M978 Fuel Separator Se±Ice $aving$
There's no need to repla¹e the 15
filteR ¹anisteRs when you pu³l the two¶
year seºice on the »EM¼ tankeR's fuel
FilteR²sepaRatoR½ At aboUt $45 each, they
cost $675¾ ¿nsteÀd, repla¹e oÁly the $8
filteR elements, NSN 4330²00±983±0998µ
That makes tHe seºi¹e ¹ost $120,
whÂch saves $550µ
M860A1 Lug Nut TorqUe
TorqUe FoR whee³ lUg nuts is wRong Ân
T¸ 9Ã2330±35IJ14&Pµ Ånstead oF 525Æ
575 lb±ÇtÈ it shoUÉd be 450Ê500 Éb±ÇtË
Make a note Until the TM is updatedµ
HeatEr ContrOl Box NSN
SÌymied by ¹an¹eÉled Requests FoR
heateR ¹ontrol box, NSN 2590²00Í953Î
0110, FoR youR M113±seRies ¹arRieR? OrÎ
der ÏSN 2590²01±´25Ð6154 insteadµ Ñt
repla¹es ±011
O
and is Readily avaÂlableµ
60
±
mosT
*
*
CRIPtS
Lock HmMWV Sta²er Bo³t
Òhe staÓeR bolts on the ÔMMWV viÕ
bRate ³ooseÖ ×se sealing comØoUnd,
NSN 8030Ù00±148²9833, on the thReads
to keep the bolts snug 'n' tigHtÚ
StOp AN/´Cµ145 SuRges
The »AWK's AN!TÛC²145 radIo terÕ
mIna³ Üill have e³ectRical sURge probÝ
lems without the surge suppRession kit,
NSN 5820±01²098²23Ä6µ Make suRe Ât's
been Insta³led. A de¹al on the Þnside of
the InneR cover of the signal entrance
panel shows if the ßit's Installedµ The
kit Is paÓ oF MWO 11²5895±453²30Ã 1
(Oct 80)µ
M7 47 ¶e·Itrailer Valve Ste· Change
You operators have a tough tIme get¶
tiÁg air in the insÂde dual tIRe on these
big semitRaileRs. To make your job a lÂtàle
easieR, get youR me¹h to replace the
valve stem with a haÁd²beÁdable valve
stem, NSN 2640±01±130²8066.
Antenna Base NSN
Ñf you need an AB²1241/PÛC²´04A
anteÁna base, oRder It wÂth NSN 5985Æ
01²065±4459 on a DD ·oRm 13á8²6
FRom S9Eµ MaRk in the Form's Ûemarks
coÉumn "Ïot on AMD·µâ Make a note
oF this stock numbeR until it's updated
in ãig 1, Åtem 4 on Page C²3 of TM
11²5820²919²12ä
NoV 89
Bendix Air D¸er Kit NSN
No need to Repla¹e the deHydRate ¹aR ²
åRÂdge in the BendÂx AD²æ aiR çèeR on
the M915/A´ and »EMétRU¹ksµ EveRyê
thing you need to ¹lean and RepaiR the
cÀÓRidge comes in desic¹ant paÓs kit,
NSN 29á0±01²081²´391µ ÅnstRuctions
come with the kitµ
M939 Truck ST¹º»C¹ Test C¼ange
×sing STE/ÅCE test NG50 to trouble¶
shoot the staÓeR ¹ÂRcuit as shown In the
Note at the bottom oF Page 2²66 Ân TM 9Æ
2320±272²20²1 will get a wRong Readingµ
You need to use STë/¿CE test NG80µ
H¹M½ »nner Tub mixup
A supply snaFU pUt a bias pÉy tiRe inner
tube in the system UndeR NSN 2ì10±01 Æ
´65²0567 FoR the »EM¼'s radia³ tiRe.
But a tUbe FoR a bias pÉy tÂRe does not
íwoRk with a RadiaÉ tiReµ The tubes aRe
made by ãiRestone, undeR ¹ontRact
numbeR DAAE07 Æ88±C²1409, and come
without valve stems. TheiR boxes aRe
marked, "Not FoR ×se With Ûadia³ TiResâ.
ÅF you have one oF the tubes, tuRn it in,
pRontoî
SEat Si¾ER ¿pPR
ShoÓ drivers have a tough time see¶
ing oveR the hood to the Road ahead in
some tRu¹ksï Those driveRs ¹an get a
beðeR view by sittiÁg on a 2²in tHi¹ß
cushion, NSN 7æñ0²00²205±3544. ×se
Appendix A oF CÒ A 50±9Ä0 as the aU¶
thoriÌy to ordeRµ
ANºV»CÀ 1 ÁOweR
Of?
BefoRe you hook Up oR Remove the
Radio system oR ÂnteRcom system ¹aÕ
bles, be suRe the vehi¹³e masteR poweR
switch is O··µ Maße suRe the AM²1780
amplifieR poweR swit¹h is Oãã, tooµ ÅF
the amplifieR swit¹h is ON, tRansients oR
shoRt ciRcuits can damage the ciRcuitsµ
M939 TiREs
&
Beadlock
·oRget the Caution on Page 8²10µ4
In C´ oF T¸ 9²2320±272²20±2. Åt's
wRongµ Òhe beaçÉo¹ß on ¸ichelin tiRes
is compatible with a GoodyeaR bead¶
lockµ Just maße sure the ò±RiÁg seats
pRopeRly between the whee³ ha³ves to
prevent aIR ³ossµ
Òhe woRd is in TACOM Msg AMSTAÆ
MÒB 232000ó Jun 89µ
DistrIbutIon:
To be distribu±ed In accordaNce wi±h
dA
Form 12-34-C²R, for ³B-43´SerieS.
WOuld YOu ±²ake YOur Lie
²
"
J
²he cOnd³²³On Of YOur Equ´pMen²?
-
U.S± GOVERNMENT PR²N³´Ng OFFµCE¶ 1989- 648·004/00011
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