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 456 of 532
TM 9-2815-±±0²34
chine bolts. Torque machIne boLts to 1000 pound-
±nches, and ±nsta²L ²ockIng w±re³
k.
3´ Check flywheel RUnout as shown in fIgure
3µ3¶6· ¸unout shall no¹ exceed 0º0¶5»Inch¼ ¸ep²ace
FLywhEe² ±F ½Unout exceeds th±s LIm±t´
³´µ6³¶
Starter and Generator Drive Adapt-
eRs, VIbRaTIon Damper±
OIl Pump and BafFLe
a.
¾s±ng
new generator d½±ve adapter gasket¿
InstaLl generato½ dr±ve adapte½ (F±gÀ 3µÁ1Âà ModeLs
AVDSÄÅ 790»2Æ and Ç VÆSĶ7È0»2Ƹ) and ÉfIgÊ
3»¶¶Ë, Ìodel Ç VDSͶÎÏÐÍ2Ñ) wIth dr±ve gea½shaft
and bearIngÒ as a un±t¼ Secu½e gene½ato½ dr±ve
adapter assemB²Y to crankcase assemB²y with ÓÔve
Bolts and Lockwashers and one selF»lock±ng nut and
FÕat washer on stud beh±nd adapte½Ö
b·
×nstall sta½te½ driven gear and secure to startØ
er dr±ven gea½shaft with sLotted nut ÉÙÔg· 3µ1Á3)
and cotte½ p±nÚ ÛsIng new starte½ d½±ve adapte½
gasket
(t¸,
fIg´ 3ÍLÜÝ)Þ insta²l starter drive adapter
ßà) and secure to c½ankcase assemb²y Wáth fOur
se²F»lock±ng nuts and âãat washers ß2)Ê änstaLL two
starteåæ mountIng Bolts ߶) In adapter´
c±
çnstall to½sIonal vIb½èt±on damper on
crankshaFt and posIt±on FueL pump d½±ve couplIng
ßÓÔgé 3êë¶0) and FueL
pumP
drIve coup²Ing adapte½ on
damper and secure the adapter and to½s±onaL vibØ
½atIon dampe½ to the cìíankshaFt Wîth sIX dï²²ed
head BoLtsÀ ðoìñque Bolts to ¶ÐÐÐÍpounds»inch and
secòóe Wôth lock±ng w±re¼
C²
l¹
änsta²L to½s±onaL vIBrat±on dampe½ on
c½õnkshaft and position spuö gea½shaFt on dampe½
ßfIg³ 3µ1¶0÷¶) and secu½e damper and gøa½shaFt to
c½ankshaFt wIth sIù drI²²ed head BoLtsú ðorque Bo²ts
to ûÐ0Ð pound»Inches and secure w±th lockIng wi½eÀ
dº
änsta²L oI² pan p½essure compa½tment BaÙfLe on
c½anKcase and secure wIth sIX capsc½ews and
lockwashers ßüýgþ 3ͶÐÏ).
e.
ÿnsta²Ā oI² pump assemb²y (w±th one mount±ng
capsc½ew and two p½eformed packInGÒ In p²aāe) on
crankcase assemb²y and t±ghten capscrew Located
Beh±nd the o±l p½essu½e rel±eF va²ve as oI² pump ±s
Be±ng ±nsta²LedĂ Secure o±² pump assemB²y w±th
fou½ capsc½ews and flat washe½s (㥠F±gą 3»¶08)´ än-
sta²l p½essu½e compartment BafFÕe B½acket (Ý) and
secure to o±l pan pressure compartment BaFÙĆe ćIth
two selfÄlock±ng nĈts and Bo²ts ß4) aPd to o±² pump
Wĉth capsc½ew
»¼)½
ÿnsta²L LockIng w±Ċeą
f
änstalL new preÙO½med pack±ng on LeveL±ng oIL
pump trènsfer tuBe (3, fIgą 3ͶÐÎ) and pos±t±on tuBe
assemBly behInċ o±l pan p½essu½e compa½tment
baÙČe w±th the tuBe enċ ±nstaĀled ±n openIng ±n oIL
pump assemBly and the f²anče end Inserted In
openIng IN pressure compa½tment baFĎe(4)Ö Secure
tube wIth twoÄse²F»locking nuts and capsc½ews ß2)ą
ÿďstall new ²evel±ng Đu mp transFe½ tuBe seal ß1) on
eùposed end oF tuBeđ
¾¿ÀÁÂ
Change Ã
³ÄÅ6ÆÇ
PIstons and PIns± Cy²IndeR Assem-
³´Ies± Cy´Indeµ AIR Def´ecTors,
CRankshaft Damper and ¶I´ ·I¸¹Er
HoUsºng± O»´ Pan¼ and Sen½Ing ¾nIts
³´
The pIstons arĒ ma½ked Ùē½ identIÙ±catIon as
shown In F±gure 3Í3Ĕ7 to aId In Insta²ling the p±stons
±n theI½ p½oper pOsIt±on¼ ĕhe p±ston boss ±s stamped
wIth an arRow and the cy²Inder location ßĖ¸) to
identify the cylinde½ ėĘom which the p±ston was
½emoved and ęo assu½e p±ston w±²L Be ½etuĚed to Its
orIginal cyl±nder´ ðHe arrows on the piston pIn bosě
ses a½e po±nted up, or to the eùhaust out²Ĝt port·
ĝy²Inders a½e stamped WĞth posItIon ma½k±nGs at
the Intake va²ve sIde ğbottom) oF valve ½ocker a½m
cover fLangøĠ ÌarkIngs of any pIsġon or cyl±nde½s
must be renewed iF posItIon marks and/o½ ar½ows
are not entIreĢy legIģ²eĤ ¸epLacement pIston must
Be ma½ked to the ĥoööespondIng cyl±nder It Is to Be
used w±th¼ Dzways keep p±ston pIn WĦth ±ts respecØ
tIvħ pIstonÊ
NOÈE
W
h
e
n
r
E
p
La
c
±n
g
d
a
m
A
g±d or woR Pistons
iĨ ±
s jmPO²TAnT ³haT
ĩll
of
ÉHÊ
eNgine's
pIĪīĬnĪ
BË of
´he SaMe SIze (ove²µiZe) anD
same wEigHt,
ĭLl HĭvInĮ ±dįnİIıIJL ijvĴĵĪ±zĴ
ĩnd
wÌiGHÉ
co¶·
m
ĩ
¸k
i
n
g
Ī³
¹±Fº»
TO
FÍurÎ ÏÐÑÒÓÔÕ
an¼
Ö×ØÙÚ ÏÐÛÔÏ
Fo
R
½v±¾-
s¿Ze and weight cOde
mARKIÜÝsÞ
ßà coáâ
pI
s
t
on
s w¿Àh
ĶÇķ
GãäåSæ
oÁ eng¿ne
ĸIl
a
nd
s´aGge lhe
çUè
ÃĵlOn riÅg gaPs
Ûé
d
e
Íê
e
ĴĪ
ApAëÉì
íîïð
Ĺor Inst½uctIonĺl ĻuļposesĽ the Insta²laØ
tIon of only one cyl±ndeìľ assembly ±s deØ
sc½±bedĿ ðhe remaIn±ng cyLInder asÍ
1 TKl POR I Sio[
±F p²s
³
´
'µ
I'
\
¶·¸¹º » Us¼ r½¾t
s¿C
Àf ÁL
ñQ
Â
ÃMÄÅÆ
ÇÈguÉE 3ÊËÌ7Í ÎÏÐÑÒn ÓnÐÑNÔÕÖ×Øn ÙÚÛ×ÖÜÝn Þßà(ákaâ
)
±
Back to Top
