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 37 of 532
men ts aNd coNTaiNs A chamber fOR collecTiNg wA±er.
²he tWo outeR eLemenTS are coaLesceR elemenTS aNd
wIlL remove emuls³FIed waTeR That haS passed
Th´ouGh the prImAry FILTerµ ²he ce¶Ter eLemeNT IS A
·ueL ¸³LTer eLemenT¹ ²he Wateº RemoveD FRom the
»ueL Is AUTomATically ¼½AINed ¾rom ThE ·Ilter hous-
iNg. ¿Wo Water seNSIng proBes are located
in
The
FIlTer housIng¹ Àhen the water leveL reaches the
upPer proÁe, an elecTrIcal cI´cuIt IS compleTeDÂ A
FUEL/WATER
SEPARATOR
sOlENOID
wateR draIn
-±²
.±
²
- ³´
µ4³ ,²_ ¶·
TM 9-2815-220±34
solenoId valve openS aNd alÃows the ÄateR To dRaINÅ
Æhe valve closes wheN The waTe´ level ´eaches The
Ãowe´ proÁeÇ È d´aIn cock is ³NsTalled so The FueV
WaTer SeparaTor may Be drÉIÊËÌ maNÍAlJy¹ Îhe
uNiT PºoviDeS moiStu½eÏÐRee aND unconTamInaTeD
¸uel to The iNjectIoN pump¹ ÑoTh The PrImAry
fter
aND the ¾ueÒwaTe´ SeparATor ·Ilter IÓcorporATe top
mouNted ÁLeeDeR valveS to assIsT iN the removaL o·
aIr дom The ·uel SysTemÔ
fUe± ²EtURn
TuBE
nO. 2R
NO³ 3R
NO´ 4R
µO¶ ·R
PRiMARY
FuEl
F¸LTER
CONsTANT FuE¹
bLEEº 0»0¼½ ¾N. OR¿F¸cE
FuEL RETURn
TubE
²A³6´6µ6
I
Figure J.J
1.±. Main
.
fel IystEm - sch²mAt³C
d´µgr¶m, MoDEL ·V¸S¹1790º2»¼½ ON¾Y¿
f Fuel CitTo±± SOLEn²Id.
Õn electrIcalLy opeRaTeD
Fuel cuto¾F SoleNoiD iS mouNted in the ·uel iNÖectIon
pumP. ¿he SolenoiD iS No´mallY o×NØ Õ SÙÚtch IN
The vehicle drIveR'S comParTmenT acTuateS the cIÛÜ
cuit to cLoSe the SoLeNoid. CLoSiNÝ the SoLeNÞiD cuTS
o¾Ð Ðßel Delivery àom the FueL INáecTIoN pump aND
StoPS the eNgIneâ ã manuaLly oPeRAteD oveR½Ide
Shuto¾· iS PRävIDed to PeRmit StoPPiNg the eNgine iN
The eveNt oF aN electºIcaL ·aILuRe.
G±
FuEl R¶·u¸n
Ch¹ck
Valvº.
»
Fuål
retuR
chECk
valæå
(fIg. 1·1±
¼Nd
f²G³ ±-1´.µ) is iNsTalLEd
betwEeN ¶He
·uçl
¸NjeC¹ioº
pump ·uèl
»e¹u¼ out½¾¹
aNd
¹¿À
FueL
Áe¹UÂ
hosÃ
aSsemBÄyÅ ÆÇe
v
aL
v
E
Péåvåêëì ·Uål ¸líwîNï
BAÈK ÉO ¹¿Ã iºJeC¹iOº
ðUmð
wÇEN tÇe FuÃÊ
ìuppLñ Iò
ÈÊoseD³
½H¾Ng¿ À
ÁÂÃ7
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