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 288 of 532
TM
9-281 S.220±34
Fiy1± ref-²72. REmoving
c1·
I³´sta/lµ¶·G cN¸kShAj OiL ¹ºTAini»G
Μ¼u½¾¿
3-55. Cleaning
Refer to p±u·ag²aph 3-36. ClEan crankshafT oil pas³
sages wITH ´omprEssµd ai² and b²ass W¶²e p²obEs¸
NOTE
Ca²E mUsT bE takµN noT to dEsT²oy 01¹ ²Eº
move main and coNnEcTing ²od bEa²INg
Lo´atioN markIngS»
3-56± Inspect²on
a.
CrnkslwJL.
(1)
¼NspEcT ´1½aNksHaFT Fo² c²acks wITH a mag³
Ni¾yiNg glass (¿ve Powe² magniÀÁcaTioN mINimUm)
aNd a strong LigHÂ Ãay paÄ·ticUla² aTtention To
areas a²oÅNd cranksHaFt oiL hoLes and fÆLlEts adja³
cent to tHe c²ankshaft coÅnter wEighTsÇ
È2É ÊnspEcT conNEcTIng ²od joUËaL ²adii oF
´²aNkSHa¾t ÌO² EvidEn´E oF speci¾Æc points o¾ wEa² o²
damAGE THAT woUld iNdi´aTe a bENt Í1Î tWÏstEd ´onº
NEcTiNg ²ÐdÑ
(3) CHe´K dÆameTE²s o¾ maiN bEariNg aNd ´onÒ
nEcTing ²od joŲnals againsT ÓimiTs spEcifIEd in rEº
paIr sTaNda²ds (tabLE 3-8)» CHEck ²ÅnoÅt of
c²aNksHaft by sÅppo²TINg eNd JoUÔaÕs iN
"V²
³´84
Change ³
bÕocks and mEasŲing rÅnoÅt at center JoÅMaLs
with a dIaL INdicaTo²Ö ×aximÅm allowabÕE ²ÅnoÅt
is ØÙÚ25 iN´H aT ÛoÙ 4 JoŲNalÑ
Ü4É ÝÞspß´T joÅàaÕs ¾o² nicks, bUásâ g²ooVesã
s´²aT´Häså gaÕling, s´ÅFFæNgç o² discolo²atioN» èa²k
miNo² dEFé´T a²eas ¾oá ¾ÅtŲe ²EpairÇ
µ¶·
CHe´k dowel piNs and straIght pins ¾o²
tIghtnEss In tHE cranksHa¾t êëangesÖ CHe´ì pins
against LImIts specIíed In thé rEpaIr sTaNda²ds (taº
blE 3-8)î
b´
coN±e²ti³g
ïoDð
and BEARI´ysµ
¸¹º
BE¶·¸i¹gSº
ÝNspß´T ´oNNécTiNg áod bEaring
HalvEs Èñg¸ 3-ò7ÚÉ in THE samE maNnEr as désc²ibed
Fo² maiN sleevE bEarings (pa²a 3ó4ô)¸ õppLy a THin
coaTIng o¾ ÃrÅssIan blUEö Ãart ÷oî øÝ ù-Ã-3Úúûü, to
tHe backs oF tHe connecTiNg rod bearingS aNd inº
stall in tHEiý respecTiVe connEcTiNg ²ods and caps
acco²ding To ThE Lo´ation ma²kings ÈfIgþ 3óÿ7Ú)Ā õ"Ò
sEmbLe ²od aNd capå aNd To²qUe tigHTEN To ā2ĂÚă
Ą3ûÚ poÅnd-in´hEsą CHeck bEaring inside diamEtErå
ÅsiNg a dial bo²E iNdicato² as sHown in FigUre 3-ā73ã
againsT tHe limits spEcifIed in tHe rEpai² sTandards
(TablE 3ó8)å and ¾Ćr contacT as sHown by ÃćÅssian
blÅEĈ t²ansfEr In thE samE manner iN wHIch tHE
maIN sÕEeĉe bEarIngs were cHeckEd (para 3ĊċČ)þ
čEpla´E aNy bEaáing THaT doEs Not make at leasT 75
peá´ENT contacTþ
Figure
sµ¶7·¸
ChEckInG co1±²³´clIµ¶ rOd bR·¸1±¹ bºr» ¼±sI1±½
dil
bor» IND¾cat¿r.
)
±
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