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 459 of 532
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DAMPER HOUSING
/SPLiT l±ne
1
CRA²KcASe
ASSemBlY
Ap³´Y AdhESiVE
SeAlANt AS
ShoW²
iN.
APPROX
µa05¶¶69
Fi!ure
3-±20.1²
BotTOm fangE ±² dAMp³R h´UsINg µnD
c1·¶>¸kCaS¹ ºH»¼½¾¿G SÀAlANÁ ÂppLiÃAÄiÅÆ.
3-165.
Rear Fan and Accessory Drive Hous-
Ing w±th ClUtch Assembly and MoUnT-
±ng Base
a.
Install three new pRefoRmed packings oN o±l
tRansfe² tubes iN c²aNkCase (f±g. 3-93)³ Apply a th±N
Coat of seal±ng compouNd (M´LµS¶45180 O·D¸ To
moUNTing base ¹3, figº 3µ92) lower moUnt±ng suRfaCe
aNd ±Nsta»l mounting base on CrankCase assembly
aNd seCu²e W¼th s±x capsC²ews and flat washeRs (2½
aNd Ten slotted Nuts and flaT washe²s (¾)¿ Ào²qUe
tighTeÁ sc²ews and nUts To 275 poUndµinches and
Ânstall TeN coTte² piNs ±n slotted NÃts¿ Install FouR
new prefo²med paCk±ngs (4) in oiÄ TRansfe² counTerÅ
boRes and apply a th±N Coat of seal±ng Compound
(MIL-Æ-4Ç1ÈÉ ÊËÌ) on moUnt±ng sURFÍce of base
pÎio² to assembl±Ng rea² fan and acCessoÏy dÐÑve
hoUs±ngÒ
b±
·emove top two self-loCking nuts aNd flaT
I
washe²s (3Ó ÔÕg¿ 3µÈ9Ö To pRov±de ×or the attaChmenT
of faN and advanCe uN±t hoUsiNg sling pa²Ø numbe²
Ù08829ÚÇ (ÛgÜ 3-9É½Ý ÞNsTalß slÂng on Rea² fÍn dRive
hous±Ng and CàUTch assembly and secuRe áith âwo
TM
9²28³´µ¶¶·¸¹4
selfãlocK±ng nUts and älaT åashe²s (3æ ÔÕgç 3èÈ9)é Æe¶ê
Cure lift±ng sëing to faN ve²t±cal dr±ve shafìí with faN
sloTTed nUt (îÕg¿ 3µï0)ð AdjusT lift±Ng eye ±n slot to
assURe balanced pos±t±oN of the assembly dur±ng
±nstallation¿
c±
Lower the ²ear fan aNd aCcessoRy dr±ve housñ
iNg ¹fògð 3ó322) Unt±l holes in housiôg al±Ne wõöh
stUds ±n moUNting baseÜ ÷ont±nue lowe²±Ng hoUsø
±ng UNt±l acCessory dr±ve bevel gearshaft teeth eNÅ
gage WùTh geaR teeth of aúcessory d²ive gea²û After
reaR fan and aCúesso²y d²±ve hous±ng üre pos±Å
t±oNed remove sloTted nut attachiNg hoUsõng slõng
To ve²Tical dr±ve shaftÒ Ëemove two seýfþÿoCk±ng
NUts aNd ĀaT washers (3ā ×igĂ 3ă8Ą½ and removeą
sl±ngº
cº
Ćnstall one selfćJoCking Nut and fĈat washeĉ' ¹5Ó
fògº 3þÈ9½ on each side oĊ the d²ċve hoUs±Čg moUntñ
±ng base îčaNgeĎ One selfďloCk±ng nuT w±ll be ±NĐ
stalled at stud (4½ wheN f±re eXT±nguÂshe² Tube ±s
installedÜ Þnstalđ Two selfĒlocking nUTs aNd ēĔaĕ
washe² (3½ us±Ng For the aTtaChment of fan aNd
advance un±t sĖėng, parT nUmbe² 10È82ïĘÇ¿ ÆeCure
the ęĚea² fan and accesso²y d²±ve housÂNg assembly
to the leět s±de of the mounting base with 11 selfÅ
àoCk±ng Nuts and Ĝat washe²s (1)Ă INstall selfĝ
loCking nut, fàat washEr aNd seal washer (2)ð
Ğo²Que t±ghTen 1ğ nuTs to 275 poUNdĠ±NchesÜ ġecu²e
the Rea² fan and aCCessory dr±ve housÂNg assembly
To the Ģ;ghT side of The moUNt±Ng Base ģĤth 13
self-loCk±ng nUts aNd ělat washers (figĥ 3ĦÈÈ)Ý InsTall
one selfµħocKiNg nutĨ flaT washer aNd seal washer
(figÝ3èÈȽ¿ ĩo²qUe tighteN nuTs to2Ī5 pound-inúhesð
3»166¼
FUel ²njec³´oN PUmp MoUnTµng Base
InsTall new prefo²med packīng aT o±l t²aNsfer tube
±N CRanĬcase assembly (ĭĮg¿ 3µ8Ī)ð įnstall İıel ±NIJecÅ
t±on pump mount±Ng base on C²ankúase assembijy
and seCU²e áòth fĴUĵ bolts and lockwashe²s (Ķgº
3þ86Ö and Torque t±ghten to 7ķ0 pouNd-iNChesÒ įnĸ
stall a new p²efo²med paCK±ng on o±l T²aNsfer tUbe
oN moUnt±Ng baseÒ
3½¾67.
Fron³ Fan ¶rive HoUsing WiTh ·lU¸ch
Assembly and Mo¹nTing Base
a²
INstaĹl a new p²eformed paCking aT oĺl traNsfeR
tube ±n CrankCase assembly (ÛgÝ 3ĻÈļ)Ò Apply a th±n
Coat of seal±ng compoUNd (MI ĽľÆèĿ518É Êŀ̽ on
The moUnt±ng base ßoweR mounT±ng sURŁłceŃ Þnstall
fRont fÍn driVe housiNg mount±Ng base assembly
(ńŅ f±g¿ 3µÈÚ¸ on C²aNkcase assembly and seCU²e w±Th
two CapsCrews and ělat washe²s (2) aNd Ten slotted
NUâs aNd ělat washe²s (1½¿ ņo²Que tighteŇ slotTed
nUts and Capscrews To 2ĪÇ poUnd-iNches and seCuĵe
nUts áith teN Cotter pinsº INstall a new p²efň²med
pack±Ng (3½ in o±l transfe² tUbe cou nterbo²e ±N
mount±Ng base assemblyÜ
Change 2
¹¿¶¶À
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