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 476 of 532
TM 9-2815-220±34
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Cooling Fan Shrouds, UppeR cove±s²
cooLIng FANs And VAnEs
CAUTION
Do not run engine above Idle and not
Longer than Ten mInuTes w±Thout coo²Ing
fAns.
nOTE
³He Fue´ injeCTIon pump, FUe´ TUbes, Anµ
Fue´ tube ¶onneCTions mUst bE ¶heCke· FOr
FUe´ ´eaKs w¸Th The eng¹ne runnIng beºOre
THe ¶oo»in FAns are InsTAl´ed¼
a.
½nsTA´´ a Fan roTor hub s´eeve spacer paRT
number l0882651 (¾Ig¿ 3-336) on each Fan ·rIve verÀ
tI¶al ·rive shaFt To pRevenT oiL seepage aT Fan dÁve
oIÂ sea´s WhI´e opeÃaTIng enGÄnesÅ SeÆure THe s´eeve
spa¶eR To eacH ·rIve shaFt ÇÈth the same nut useÉ
To se¶Ure The ¶oo´Ing ¾anÊ STAËt eng¹ne and ¶HecÌ
FOR FUel ÂeaKsÍ ½Î leAKs Are eVI·enTÏ loosen THe Tube
¾ItTings anÐ RetIghtenÑ
f"igurc
3·.';6±
FRUµ¶t
fl1±² tL±Fre
ho¸¹sIng [¹µ¹ ºOt»r
h¼b
s/Cc³'I´ SµiU¶·'¸" ¹º». To¼½¾d¿ÀÁJ ÃÄÅƲkagE
(CIi²
3½2¾2¿2
CHaNGe 3
nOtE
NÒÓÒÔ ÕÖ×ØÙ½ÚÛÜÝN WHen ATTempTÞ
Ing To ßeme·y A FUe´ ´ea༠áverTigHTenIng
âãl´ de¾ärm the sLeeve and evenåuaL´Y lead
to TuBe FaIæußeç ½T Is permissIè´e To loosen
THe nuTé oR êëTtIngì An· RetIgHTenç Ùhis
procí·Uße wî´´Ï In manï Casesð sea´ The
ÀÁEl
´eAñò Ùhe ²oosenIng anµ TIghTenIng
operAtion Tends to ReseaT The sleeveì Thus
provI·Ing an eóFeCTIve seô´õ Øep ö÷Æe Tubes
raTheR Than oveRTëghTen To sTop ÂeaksÅ
BÂ
ønsTa´´ ¶oo´Ing Fan sHrou· an· Fan housIng as
An assemblY on Top fRame retaInIng bra¶Ìetsù Seú
cuRe ´eFT an· rIght ÆenTeR shrou·é ´e¾t And rIgHT
rear shroudì an· TWo ûüe´ return ´ine cýamps to
þoolIng Îan shÿĀuµ wāTh THree assemble· Washer
bo´ts Ăăé ºĄgą 3Ć9ćĈ ønsĉA´´ FOur AssembĊed ċasher
boltsČ čaT WasheRs and hexagon nuts ĎďĐđ se¶uring
rear sĒēĔoU· An· Cĕ´InĖeß heA· ¾ue ReTurn Tube
¶ėamps To reAr shRou·ç
BÃJÄ
ønsTa´´ ¶ooÂing ¾Ęn shroud and Fan HousIng as
a
n
±ssembly
o²
³op
fram´
Rµ³±i²i²g
b¶ack´³s.
Sµ·u¶´ LeF³ ±²d ¸¹ghº c´»³µ¶ ¼h½ouD, lµ¾³ a»d R¿gHº
À´aR ¼H¶oÁdÂ
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lŲµ
ęlĚMpě
³o
·ooÄi²G ÆDz
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³hÀÈ´ ±¼sµmbÄeÉ w±she¶
boij¼
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ßàÀoudá
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Sµ·âÖe ·ooÄi»g ñ» sh¶oÁD ±»ã oiL ·ooLµ¶
vµ²³ LiÛµ clamPs äo åeF³ a²D RiGh³ Fro²³ shRoud¼
w¿³h ÃiV´ a¼¼´mbæçd
WĦěHħĝ
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ñ-7ò ó²d
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e
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ic±
´ ·ĭIVĮ
SÎÏÀÇ
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¼ecâ¶ô wð³à õaö
w±¼h´¶ ±²d sÄoºº´D ²u³÷ øo¶qÁe ³¿GH³µ» ¼loººµD ²u³
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ùou²dúŲch´¼ a²d ¼ecÁÖ´ wųh Ûew ·o³³e¶
p
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as
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