PS Magazine - DECEMBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 373
DECEMBER 1983
Telescope Shortout Check
Your new M118-seRies elbow telescop coUld go doW fr the count
i
itS elEcal
connector recePtAcle sho±ts out when you instAL it.
·
A
AssemBly error By the mAnuFcturer hAs Put A Bunch o² ScoPes into the
suPPly syStem with the wiring reversed³ ´hen these scoPes Are instAlled iN the
M146 mount, they short outµ
¶efre you ·y A scoPe, hAve your D¸ reP¹irmAn use A multimeter And check
fr ¹ good Gound on Pin ¶ o² the scoPe's electricAl connector recePtAcle³
Iº Pin » iS the ground, your scoPe iS OK And you cAn inst¹ll it. Otherwise,
¼¸ will hAve to rePAir it³
M109A2 Howitzer .±²
SLick So±ution
I² rAdiAtor cAP, ½¸½ 2930-01-
090-4932, is ¾ving you ¿ts bec¹use it
StickÀ, try using ¹ sÁlicone-bASe oil on it³
Âirst, cle¹n the threAds o² both the
rAdiAtor neck And cAP³ Then coÃt the
cAP's threAds with luBric¹ting oÄ, ½¸½
9150ÅÆÅ543Å7220 (1-lb cAn)³
I² you teAr uP the cAP Ç to get
it oȲ, rePlAce it with ½¸É 2930-Æ-
737 -6626³ ThAtÊs the one used on
MË09ÌË And Ì3 moÍels³
6
³00-Amp Generator Regulator ´µ¶
Give It a Second Chance
·
OH1
PLE¸E, DOC¹T
ºU!» ¼f IN½
J1MOld
J¾S¿ ÀÁÂÃ ÄÅ
ÆÇÈÉhFÊ cËÌÍÎÏ Ð
´hen the 1Æ-AmP generAtor regul¹tor, θ½ Ï920-Æ-9Æ-
79,
goes on the
bÐnk in your M113-series cArrier, M109-se±Ñes hoÒitzer or t¹ctÓCal vehicle, you
just swAP it Ôr A new one, rÓght?
±
MAybe not³
ÕAte modÖl regulAtors h¹ve A voltAge surge triP System bUilt into them³ ×hey
include
D.C.
Ølectronics Model #ÙÚÛ1-06 And some -0ÜÊs³ Ýheck the ÍAtA
PlAte Þr the moÍel nußber³
The regUlAtor will triP oà when voltAge surges too high³ ×hAt ßight m¹ke
you thiná the regulAtor iS Fulty when itÊS Stilâ good.
HereÊs whAt you do to check it out: ¸hut yoãr veäåle dowN And tæ çèe mASter
Switch oà³ This wilâ let the triP syStem reSeé itselê
The regulAtor will work rigëì the next tíe you sìArì uîess thereÊs An overï
voltAge condition in the eleðrÓñò óystem³
PART NO. 264±0001-06
:±²³´EC.µ
NO
²
³
´
µ0
¶
94
·
74
¸
3
¹
9
º
ORD» PArt NO¼ ½09474¾9
RATING'
28
VdC, ½0¿ AMPÀ
CONTRACT nUMBEr
Ñ
AAE07
Á82ÂCÃA6
l
6
U¼SÄ pROPErÅY
2Æ20Ç00È900É7Æʾ
oËCÌ eLÍcÎrOnICSÏ InCÐ
CODÍ iÑÍnÅ ¾4Ê0±
WÒÓÔ VÕ(Ö"×Ø ÙÚÛÜÝÞ$ ßà áâãäåæçè
éêë ìíîïðñòóQ ôõsö÷ øùúûüýþ
ÿĀ āà 㥹&ĆćĈĉ ĊċvČ 'čĎď
MfchNI±
ĐđĒBēĔĕĖė ĘęĚ
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