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 320 of 532
TM 9-2815±220²34
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PrefoRmed packing
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±rEFO²MeD paCking
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³ubber strIp
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Sel´-lµKING ¶Ut
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wuher
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éex'Oê ëApìíîew
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ïreÇçðre ñOÅpòóÌÅeNÌ
brôØkeÌ
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ÈÉÊËÌÍ ÎÏl pUÐP ÑÒÓÐbLy ÔNd ÔÕÖC×ÔØTd ÙÚÛÜ
a.
Cut loking wIre and remOve OiL pUmp pressure
relIef valve cap {S3, FIg. 3-202)± ²eparate pressure
relieF valVe ³30)´ OUter cOmpressiOn sprµng (¶2), and
inner cOmpres·IOn sprIng ¸31¹ FrOm VaLVe capº RemOve
»ap¼crew {34¹ and FLat washer {35¹ ½¾Om p¿mp
mOUnting flangeÀ RemOVe and dIscard twO preFOrmed
a
paÁKÂnGs ¸1, FÃg± ¶ÄÅƹ´ seal
(¹º)
and tWO seals (Ç5)±
REmOve twO sElF-lOckINg nUts
(2,
FigÀ 8-Å2), twO Flat
washeÈs (¶) attachIng OiL pump gear cOver ¸4¹ tO OIL
pumpÉ RemOve thÈEe selfÊlËking nuts (2¹ and Ìat
washeÈs ¸3¹º RemOVe three bOLts
±1)²
and remOVe gear
cOver (4¹Í ²traIghten tabs On washer Îey
»¼½
and
remOve plaIn nUt Ï7Ð and washer Îey
¾¼½
FrOm OIL
pUmp driVe gear shaFt ³2Ñ¹Ò RemOve Oil pUmp driVe
cLuster gear
³10´
and thrust washEr bearIng
¿À2Á
FrOm
Oil pump drIVe gear shaft ³ÓÔ¹Õ POsItIOn a bra·Ö r× Or
Ø
DÙIft Between scavenge Oil pump DÚiVen and drIve ImÛ
pelLers
ÂÃ
and 4¶¹ thrOUgH OpenIng In scavenge Oil
pUmp hOÜsIng tO hOld impellers statiOnaÝYÞ RemOve
ÖßlFàlËÎing nut
Ä5Á
and remOve Oil pUmp impeller
ÅÆ1Ç0
Change È
drIVe spur gear (6¹á RemOve OIL pUmp gear plate ³1¶)â
RemOve remainIng three selFãläÎing nuTs ¸2) and flat
washeÈs ¸3) sec¿rIng pressure Oil pUmp hOusing cOVer
(14) tO pressUre Oil pump hOusIng ³39¹â RemOve
hOUsIng cOVer {14¹. RemOVe LeVel OIL p¿mp dåIVen Imæ
peLler ¸1ç) FrOm Oil pump driven impeLler shAFtâ
RemOVe LeveL Oil pump drIve impeller {1è) Frém OIl
pump ImpeLler drIVe shaFtÍ
bÉ
RemOVe lêÎ plate BOlt {ë9¹ ÖecUrIng lìÎ plate
{ʼË
TíO scaVenge OIl pUmp hOusIng cOVer aÖîmBlïâ
RemOVe LËk plateð RemOVe sIx seLfÊñòkIng nuT· (ó¹
and fLat washers (¶¹ ÖßcurIng cOVeô a··emBlï ¸21¹ tO
scavenge Oil pump hOUsing ¸44)õ RemOve cOVer assßmö
blïâ RemOve twO drIVen makeÊup Oil pUmp impeLlers
(4÷¹ and One maÎeàUp OIL pump dåIVe ImpelLer
ÌÍÎ
FÈOm scaVenge OIl pump hOUsing {44¹. RemOVe makeö
Up OiL pump DÈIVe shaFt
ÏÐÑ
and OIl pump drIVen Imæ
peller shaFt {Z)ð RemOve scavenge Oil pump hOusing
{44) fÚém pressure Oil pump hOUsing {¶9)º RemOve
scavenge Oil pump driven Impeller
ÂÃÒ
and scaVenge
)
)
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