DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 107 of 1422
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DMR. 9·285±Z0
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Remve Engine±
ReMove the enGine froM tHe containe² and place on MOvable
DALly beFore reNxvInG the Mount³nG brackets secUred to the oiL pan±
´emve siX µUts,
washe²s, and bo¶ts and remve ·uµtinG b²acKets fro¸ the o³l pan±
¹etaiµ enGiµe
Wºouµt³µG bracKets aµd all attacHiµG ha²d»a²e »³th container to assure ava³¼ability
½f aL¼ parts »Heµ eµGine coµtainer ³s to be reused±
3-4.
P²el³Minary ¾µspection ¿
³
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Tags and ÀoÁs.
EXa¸³ne attached taGs and ÂoÁsà and aLl ava³labLe corres-
Yoµdence pe²taĵĵG to the enGine to deter¸iµe »hetHer there are any Kno»n defects
½r ¸³ssinG coMponeµts that ¸ay rende² the enG³µe inoperabLe±
Åhe kno»n oriG³µ of
Æhe eµGine (iµ vehicle) Çay ass³st ³µ evaLuat³oµ of ³ts coµd³t³oµ±
Èo µot reMove
Éhese taGs.
Ê taGs a²e MissiµGà tHe ³µÂorMat³oµ they coµtaiµed caµ poss³bLe be obË
Ìaiµed ÂroM the p²ocuriµG act³v³ty.
Check to dete²¸³µe ³f aL¼ ÍB's and ÎÏÐ's have
Ñeen accoMpl³shed, if applicabÒe±
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b.
Ôia nos³s VeriÂicatioµ.
¾µspect the enGiµe to ve²ify the d³aGnosis
Õ
Öad
e
\1h³Le
×µstaL¼eØ Ùn tÚe vÛcÜeÝ aµØ to uµcover possible fU²ther defects±
Íh³s ³µspect³on
Þs i¸po²tant because ³t is often the onßy ¸ethod o deterMiµ³nG any ¸alfunct³on
àithout coMpLetely d³sasseá¼³µG the eµGiµe.
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EvalUation¿
EvaÒuate the eµGine to deterMine the eXtent of c¼eaninâã repair,
äodificatiOnà or ²eplaceMeµt µeeded to åke the ³teM coMæletely serviceable±
EvaLUaç
Ìioµ instruct³ons shaLL µot requ³re dete²¸iµat³on based on the op³µion o ³nd³viduals
èerfo²MiµG such evaluat³oµs.
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CleaµiµG±
CLeaµé³ness ³s essent³al in a¼¼ overhaUl operat³ons±
CLean tHe
eXter³or o the iteM thorouGhêy, re¸ovëµG alL evideµce of MUd, dustà oilÝ and Grease
prior to diaGnostic disasse¸bêy±
ìirt aµd dustà even in Minute quantities, are
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ra
î
s
³veï
P²ec³sðñon Lapped sU²face of rotatiµG parts Must be protected froò dUst aµd
d³rt at all t³¸es±
óe su²e parts are cLeaned as spec³f³ed and be su²e they a²e keôt
õ¼eaµ±
Èo not handöe parts »ith Greasy haµds±
Èusty and G²i! clotHiµG Must µot be
»orµ±
´µ6¶
÷e¸porary Preservat³on±
a±
CLeaµinø and Storin ±
ìur³µG ³µteriM storaGe at tHe overhaUl fac³l³tyÝ pa²ts
»h³ch are sUùject to Øete²úo²atioµ o² corros³oµ sHaLl be cleaned aµd preserved by
¸ethods ûh³ch »iL¼ protect aGaiµst such da¸aGe±
ÍHe storaGe a²ea sHaLl be so éocated
as to iµsure that alL pa²ts »³LÒ not be da¸aGed o² used ³n e²²or.
b±
Prese²vat³oµü
Preserve aLl pa²ts eXcept tHe foýloûinG:
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Pa³nted surfaces±
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þoµÿfer²ous pa²ts±
µ
3
¶
Cad¸iu¸Ý z³µcĀ o² tiµ pLated partsü
3/3
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