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 36 of 532
TM 9-2815-±±0-34
MANUAL
ORA!l±
FUE²/I³ATer
SEPA´Ator
soLEnoiD
I³AµEr d¶A·¸
¹uBE
•
fUº» ·¼JºCt½on
\J-·
PUMp
¾¿ÀÁÂ
HoÃE
fUÄÅ
BACKFLOW
VALvº
O
(90 psÆ ¶ºLÇEÈ VALvº}
No.
ɶ
CoÊËtmt fUºL
bLEºd
0.042
!l.
̶ÍfÎÏÄ
fкL ¶EÑU¶ÒÓ
ÔUbE
0
Õºft fUÖL
¶×tUrؾ tUÙº
R·Gh fUEL
nÚÛ
6R
ÜEÝUÞß tUÙº
TA265±15I
Fure
1
·I i±
Mait1 fUel sySTem
-
±chemA²IC d³agR´m, moDeLµ
A L'DS-1790²ZC and ³ L´DS·µ ¶90¸2D¹
d.
Fuel PUrge SystEm²
A
manualLy operated
purge PUmp is PRovIdeD
in
The veh±c²e opeRaToR's
compaRTmenT anD ±s ³sed to c²ear The enGine ma´N
fue² system and F²ame heaTer sysTem oµ aiR, and FI²²
Them w±Th ¶Ue². MosT oF the purged a±R is RemoveD
thRo·¸h b²eeDeR va²ves¹ locaTeD iN ºhe top of the
Pr±maRy FUel F»l¼er anD the ½³e¾/water seParaTo¿
½±²terÀ Áhe ResT oF the aIR ±s FoRceD thRo³¸h The ma±N
¶Ue² TuBes INto The ¶ue² ÂetUÃ ²ines and on To the
vehiC²e fÄel TaNks. WaTeR is RemoveD fRom the sys-
Tem by a ÅonstaNT BÆeed oR
i
f
i
ce
in
Çhe pÈimAry ¶ue²
¶I²TeR aNd aN aUTomaT±É waºer dRa±N ±n the f³e²/
waTeR sePaRaºoR F±²TerÊ
³´ fµ¶L fiL·³R¸
(fgs.
²-³
and
²´3)µ
The replaceabLe
element type prImary FueL F±Lter ±s mounted On the
r±gHt FrOnt OF the engIne and ±s equ±pped w²tH a
cOnstant bLeed OriFICe and dra±n Line WhI³H ³On-
¹º»6
C
H
a
nG¼ ½
stantLy remOves a metered amOunt oF ´uel and reµ
tUrns ±t to tHe main FueL tank thrOugh the FUeL
inje¶tor nozzLe drain Lines· ¸His cOntinuo¹s dRain,
´rOm tHe bottom oF the FILteRº remo»Ves WateR In tHe
´ree state tHat has been Fi¼tered From the FueL by
tHe pr±maRy ´½el flteR e¾ement¿ THe repLaceabÀe
element Fuel/Water separator type ÁIlteR ±s
moUnted on the LeFt FROnt o´ tHe engine ýel FÄom
the vehI¶Le ´½eL tanK passes thROUgH tHe pımaRy
ÁILter beÁOre entering the eng±ne F¹el p½mpÅ ÆheÇ
pUmp
deLivers ÁueL to tHe F½eÈWater separatOR fɵ
teÊ and On to tHe FueL inje¶tion p½_pÅ Excess ´½el
pRov±des p½mp cooL±ng as ±t ËÌWs thRoÍgH tHe νel
inJe¶t±On p½mp HydraulIc heads and Is ret½rned to
tHe FueL tanÏs (fgs¿
²¶²·an
·-²¸¹²º
THe ´½eÈWater
separatOR fLter un±t has thRee RepLaceabLe eÉeÐ
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