TM-9-2815-220-34
ENGINE, WITH CONTAINER:TURBOSUPERCHARGED, DIESEL ,FUEL INJECTION ,90-DEGREE “V” TYPE, AIR - COOLED, 12-CYLINDER, ASSEMBLY; MODELS AVDS-1790-2C (2815-00-410-1203) AND AVDS-1790-2D (2815-00-410-1204)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
TM-9-2815-220-34 - Page 385 of 532
cooling faNs thAT hAve
beNT, brokEn oR wArp±d
BLAdes. ²ePlAcE FAN wheN bo³T hoLes Ar´ ±µongAtEd
o¶ Show ±Vid±Nc´ o· w±A¸¹ INsP±cº »¼N bLAd±s Fo¶
e¶o½¾O¿À ÁLÂc± 1hE ÃAn ²oºoÄ GAÅEÆ ÇAÈÉ
ÊoË
Ì2275775Í oÎ thE ToP su¶FAc´ oF AÏy sUsP´ct BÐADe
w¾Th The TAbs iN coNºAct w¾Lh thE tÑAiL¾Ng edgE (F¾g¹
3-262ÒJ
). If
thE bLAdE
is
±Ñoded to Th± ±xteNT thAT
ANy pA¸t oÓ th´ L´AdÔng ±dg± o» thE BlAd± Ôs hÔddÕn
By ÖhE gAgE, ºhE ×ØN mUsT bE rePlAc±dÙ
d. RepciI1·±
Repa±r ScratCheS, n±ckS² and ³a±Sed
meTal uS±ng a F´ne mill µ±le¶
NOTE
·a¸e muS¹ be taken wHen uS±ng
a
fºLe» no¼
to ¸emove excESS½VE amoun¾S Oµ me¾a¿
Since ¾À½S WÁ¿ diStu¸B tÀe dE¿ica¾e BalancE
oµ tHe
ÚÛNÜ
²³ AsS´mblyµ
PoSition cool±ng µAn HuB (17Ã 3-262)
½nSide oF µan (Ä6) marked "ÅÆPÇÈ ÉnStall Sixteen
tM 9-28¶5¸¹¹0-34
macÀ½ne Êo¿¾S
(8),
µ¿a¾ waSHerS ËÌ)Í S¿o¾¾ed nu¾S (Î8)»
and co¾¾er ÏinS Ë6) Secu³ing coo¿ing µan HuB ¾o FAnÐ
'
"
-
\
±
²NG
EDge
/
"±
²³
ºa»6¼7½¼
I
Fig1±r('
.1·262±²±
/²³spCRtl³³G co´µL¶³·g [¸¹³· bºadeS »EADInG
¼½ge fu¾ ¿ÀOÁÂ0³·.
Section XVI±±. REPA²R OF ENG±NE
SHROUD²NG AND ASSOC±ATED PARTS
¾¿ÀÀ¾Á
Ge³eral
ÅÀiS Secѱon cove¸S ¾He ¸epa±r oµ tÀe engine SÀ¸oudÒ
ing and aSSoÓ±ated comÏonentSÔ ÕÖec±×Øc ½nStÙcÚ
tÛonS on d±SaSSemBlyà clean±ngà ±nSpec¾ionÜ and
aSSemBly accompany tHe rEpa±r ope¸a¾ionSÈ
NOÂE
D½SaSSemb¿Y oµ va¸iouS SÀÝoud compoÒ
nEntS otHe¸ ¾Àan tÀÞ cooling µan ÀouSingß
SÀ¸oud ¸ailS» and cove¸ p¿ateS waS acà
comÏl±SHed duráng Eâãg±nE diSaSSemBlyä
¾ÃÀÀÄÅ
Disassembly
I
a.
²±mov± ºEN boLts
(4,
»igÝ 3-26Þ) ANd ÑßmovE
two AcC±sà coá±âs ã5)ä å±moáE Two cApsc¶´ws
±²³
³
æÅç 3-262)Æ s±Lè-lockÔng NUts ãé4) ANd ·êAt wAsh±rë
ãé2) ATTAchÔNg eNgÔn± cooLiNg fìN hoUs¾Ng ãí5) to
eNgÔnE cooL¾Ng
fån
hoUsing
´J
3îÀ ²emoáE ±ighº
ïApscÑEws ð4)ñ jocKwAsheÑs
µI)
ANd òlAt wAsh±rs
æl
2¶
A
¼
TAc
¿
t
±
Ng dAmPeÑ ±Nd ANd óywhôeL END
coõöiNg ÷An housiNgs to cooL¾ng
fçn
±ng¾n± shroud
ãøÍ »igä 3-263)ä ²±mov± dAmp±R
ènd
And »lywhE±l
±Nd coolÔNg »ùn hoUsiNgs¹
I
BÆ
ún Mod±L
é
ûüý-l þ90ÿ2ü², REmoáE »¾áe
heXAgoĀ heAd cApscrews
·i¸
»āgä 3-263äÌ) AND
ĂocăwĄSheÈs ã2î AND ѱmov± FAN hoąsÔNÅ sUPPorT
AssembLy ã3Ćä ²ećov± ºEn Asà±ĈbL±d wAsher boLts
ãĉî AnD ¶emoá± Two Access cov±rs ã5)ä å´moá± two
cApscr±ws
(4¹
Ċgä 3-262)ñ s±l»-lockÔNg nąts ãí4) ANd
»µAº wAsheċČ ãø2) AºtAchÔng ±nginE cooling faN
hoUSiNg ðø5Ć To ±Ng¾N± cooLing faN hoUsing ã ø3îč
ĎEďoá± ±¾gLĐđ cAĒscr´ws ã4)Æ LocKwAsheÑs
ºi»
AND
FLAT wAshers
¼J
2) ¼ēTAchiNg DAmPEr EnĔL ĕND Ėyė
w
h±e
l ênd
cooliÏg Ęęn hoUs
½n
gs ºo c±NTriFUgAL FAn
hoUsÔNg ã6, FĚě
Ĝ
3-263ĝ
l
Ćä ²EćoĞ´ ğlAmPer ±Nd AĠd
ġlywhEĢl ´n
c
¿ ëì쿽nG íîn
hoģsÔngsĝ
¾ÃÇÇÈÉ
CLea³´³g
ïEfe³ ¼o Öarag¸aÖH 3ð3ñò
¾ÊÇÀËÌ
±nspection µ³d Repai¶
A±
ïeµer ¼o pa³Ng¸aÖH 3ó3Ì and 3ô38õ
ÍÎ
önSpect eng½nE and t¸anSmiSS½on SÀ¸oud and
aSSocia¾ed Ïa¸¾S ËFig÷ 3-263) and cylinde³ deøecto¸S
(ùúgû 3ü264) and Öla¾eS ËýØgõ 3-265) þÿĀ damaged» āen¾»
or c¸acked cond±¾±onĂ ÕѸa½gH¼en Ben¾ SÀroudS or
ÖăateS aS near or±g´naĄ SHaÏe aS ÖoSSiBleą ïepĆace
c¸acked or ćadly āroken SH¸oud and pla¾eSĈ
¾ÃÇÇÏÐ
AssemB·y
ÑÒ
J
ĤAch hoUsÔNg ãø3Í »Ôg¹ 3-262) to hoģsing
ãø5î wĥth Two ĦAPscrĦws
½4¾
ëELF-ÐocħÔNg nUts ãÌ4)
AND
Ĝ
ĨĩtwAsh±rs ãÌ2îÜ
LnÓÔ:ÕÕ
ENĪN± coīĬL¾ng
ýĉn
hoUsĭgs ãÌ3 ANd Ì5Í òÔgĮ 3-262) oN cooL¾Ng įN
eNݾNE shıoąD
æIÃ
IJgij 3Ĵ263) And s±cu¶´ w¾TH EÔÅhº
cAPscĵews ã4Æ FĶgÜ 3-262) LocK wAsH±ķĸ ãø )Í And »³Aº
wAsh±âĸ ãø2).
·
ÑÖ×Ø
é¾tacÀ HouS½ng ËÎ3» F½g÷ 3-262) ¾o ÀouSing ËÎĊ)
WċtÀ ¾wo caÏSC¸EwS
ÙÚÛÜ
Se¿Fôlock½ng nutS ËÄČ) and
fčat waSHerS Ë12ĎÐ ďnStall enGĐne cooĄing µAn HouSđ
½ngS ËĒ3 and Äēà figĔ 3-262)ĕon Cent¸±µugal µan ĖouSÒ
½ng Ë6» µ±
g
È 3-263õÎ) and Secu¸e WėtH E±gH¾ capSc¸ewS
ËČĘ µ½gÔ 3-262)ß lock waSHErS (Î)» and ęa' waSÀeĀĚ Ëě2)È
ÝÞ
önS¾a¿l two Cool½ng FaĜ SHroud aCceSS ĝoVe¸S Ë5»
F½gĞ 3ô263) on cooÂing FAn engine SÀ¸oud ËÎ) and
Secu¸e ğĠtH Six aSSEmBlġd waSÀe¸ BoltS ËČ)Ģ
Bßàá
ďnStall ¾wo acceSS coVe¸S ËģÃ fºgĤ 3ĥ263û1) and
SEcurġ w±tH ě0 aSSembled waSHer āol¾S
âãäå
ďnStall
µan ÀouS½ng SuÖpo¸t aSSemć¿y Ë3) and Secure w±¹Ħ
µÿu¸ Hexagon Head caÏSc¸EwS ËÎ) and lockwaSHerS
Ë2)÷
ħÀanĨE
3
æçèéêëì
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