PS Magazine - JUNE 1985
PS, The Preventative Maintenance Monthly
ISSUE 391
JUNE 1985
l
Sprocket Hub TightEn-Up
Loose sprocket hub mounting hard-
wAre can c±use the Hub to break away
from the final drIve on yoUr M88² 1
recoveRy vehicle, M48²5 or M60³serIes
tank´or any vehicle bAsed on the tank
chassIs, lIke the SGT York.
Look for shIny areas around the nuts or
rust at the nUt area. µf yoU find any, the
hub Is movIng.
Check tHe tightness of each dowel nut
or nut and bushIng using tHe PD¶2·1
torque wrench and tighten to 45·¸46· lb-
f¹. Do not loosen the nuts before checkº
Ing tightness.
µF the nut moves, you've got »roBlems.
¼He word on what to look for then, and
how to do the re»aIR work, Is In T ²½OM
Safety³of¸¾se Msg ¿ÀST²¸Á½² 2223··Â
Mar 85.
µf the nut Ãoesn't move, yoU may stilÄ
have problems. PÄay it safe. Take the nut
off, cleaN anà lube the thReaÃs, anà »ut
It back on. TorqUe to 45·¸46· lb³Ft.
DA Form
2408-9
DElE±IONs
You're in for a pleasant sur»rise when
you check ¿ppendIx E of D² Åam 738¸75·
In MaIntenance ManageÆenÇ ¾PD²TE 6.
THe requirement to fill out a D² Èorm
2É08³9 for acceptance, transfeR, loss or
gaIn on a lot of equipment has been
dropped. That means less »apeÊork.
You can return the favor by keepIng the
D² 2É·8¸9's you Ão send in readable,
accurate and upËtoËdate.
Equi»ment requIrIng D² 2É·8³9 ¾sage
or ÌegIstration re»orts Isn't aFfected by
the change.
Slow DowN ²oggle SwI±c³INg
GIve your ²Í/¾ÎQ³¶· »lasma Ãis»Äay's
power switch a rest be¹ween "togglesÏ
or it'ÄÄ faIÄ you.
You can stilÄ use the switch
fo
reset the
host com»Uter logIc, just Ão It less oftenÐ
aBout once each ¶Ñ seconds.
µf yoU swItch it mÒre oÓten than Ôhat,
cUrrent builÃing u» between swItch con¸
tacts will arc, killIng the switch.
µf yoU don't have a co»y of the mes-
sage, coÕtact your locaÄ T²COÀ LogIstic
²ssistance Öepresentative×
.I±²
Would YOU Stake y±Ur LifE
±n
·
64
JUN 85
M911 C´rµuI± BrEakEr¶
Øse ÙSÍ 5925³01³058³49Ú0 to get
A 15³¿MÅ CircuIt ÛreAker for your M91Ü
¼ruck.
¼He 20³¿MÅ ÛrÝAker comes under ÍSÍ
5925³00³643³5070. THese are Items 21
AÞd 22 of ßIàure á2 In TM 9³2320³270³20Å.
C¿¼ CCE ââã
Air's ·K, Too
EItHer nItrogen or compressed air is OK
for refIllIng tHe tIres on your M130G
grAder, M950Û scoop loAder or M621 Û
scraper. ¼He commercIal manuals call for
ÞItrogen only. Ûut äf It's not avaälable use
compressed aIr. T¿COM Msg ¿MST¿³MVÛ
19Ü803Â ßeb 85 has tHe word.
BradlEy Cannon Sho±s
åere's AÞ updAte on ÔHe ÛrAdley M242
cannon feeder tIp on ÅAge ¶3 of ÅS 387.
You
ian
replace tHe feeder by Itself.
åowever, If tHe receIver goes bAd, you
Ôurn In tHe entIre cAnnoÞ.
¼He heAdsHed HAs decIded tHe pre-
ferred wAy to Install the M240C machIne
gun feed tray Is sHowÞ on ÅAge 3³30,
¼M 9³¶005³313³10. Just set tHe feed trAy
In plAce änsteAd of instAlling the bAck
fIrst. Go wIth tHe ¼M InsteAd on ÅAge 14,
ÅS 387.
·Nly ·Ne
2²08-9
±o MRSA
ÅarA 5³6d of D¿ Åam 738³75· tells you
to send tHe æMÅ copy of #1 of D¿ ßorm
-±²³´µ
2408³9 througH your local data reduction
AdIos to Q¸a¹ErlIEs
çow 'bout that! Ío more quArterly
serväces for combat vehIcles! T¿COM Msg
¿MS¼¿¸MC¿ 2É2¶00 Jan 85 has the
word. µf your local command OK's It, you
è
éêst skip any quarterly called for and go
wItH the semiannual and annual servIces.
lºliNg's a »o-»o
åold one on folÄowIng the 10³KW
generator set shutdown Info on Åage 47
of ÅS 389. µnstead of idlIng tHe set for
3³5 mInutes, you should run It at rated
speed wIth no load for 3³5 mInutes as
we've saId many tImes bëfore. µdlIng cAn
wreck your set's excIter, voltAge regulator
or roÔor rectIfIer diodes.
center to MÌS¿. Once you've sent tHe
form to the center, you're done´no need
to send a second co»y of the form dIrectly
to MÌS¿. The du»lIcate only creates extrA
work for tHe data processIng tìpes.
Th¸mt¸g Ho±linE
µf yoê hAve maIntenAnce, supply or oper-
Atäonal problems wItH Thumtug (TåM³íG,
tArget holdIng, mecHanIsm, tAnk gunnery),
call:
AUTOVON 238· 7693
C±mmercIal (717) 263-7693
That'll get Letterkenny ¿Rmy Depot and
tHe Thumtug Info center. Thumtug's TM
Is 9³692·³4É2³12&P (Íov 83).
Th³ CONDti±´ ±f µ±¶r ·qipmE´t?
-
U.S¶ GOVERNMENT PRINTING OFFiCE: 1985·559¸008
¹
7
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