DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 337 of 1422
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DMWR 9·2815220
5-40.1. (Cont)
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Grit BlasT bearINg suRfaces with cLea², o³L Free
25 mesh ch³LLed iRo²
gRIt´
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µemove gRIt blasT maskiNg material and ¶emasK wIth su³TaBle thErmospray or
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1
asmasPray maskI·g maTer³ a
±.
S¸A¹ºµ »¼Aµ½¾G
SU¿ÀA¹ºS
TA265797
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ÁIguRe 5-43Â2Â
OIl PÃmP ImPeLLer dRive shaft spacer bearINg suRFaces´
Ä5±
Åre-heaT shaFt
Æ50°À To 200ÇÀ wITh TherMosPray oR plasmasPray gȲ.
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ÉsIng a ÊeTco ËÌ ÍheRmospRay or 7Ê» ÅLasmaspRay System I² accoRDance wITh
ma²ÎfacTÎRer's pr³nted i·sTRuctioNsÏ appÐy ÊeTco 50Æ selF-FÃsIÑg molyBde²Òm
PowdeR
tÓ a thicÔness of apProx³mateLy ´005 ³nch per side oVeR the dÕaw³Ñg Fi²isH d³mensioN
tÓ aLÖow ×oR finish gRiÑسNgÂ
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Us³Ng aN exTer·aL grI²Der wITh a Ë0 grIT gReeN sIlIco· carBIDe wheel aND
wÚTeR Base w³Th rÃst INhIBITorÛ fI²Ish grI²D coaTeD BeaRINg sÈrÜaces To drawi²g
sÝecIFIcatIo²s
(ÞWG ÆÆË8ß9Ë0±.
(à±
áâL mou²ti²g sãrFaces Repaired by This pRocess shaLL Be Æ00% InsPecTeä for
cåat³²g integRity afTeR machI²³Ñgæ
Íhe coating shaLç
show ²o Bond seParatioN at the
cåating to base metal i²terfaceè
éhe coaTi²g shalL Be FRee FRom BLIsteriÑgê
cëacKIngÏ chIpPI·gì aNd FRayeD eDgesè
éhere shall Be No Bleeíoît oF o³ï o¶ otheR
cåNTamiNaNts throÃgh the fi²IsheD coatINg´
¾OÍð
Íñis item can²ot Be puRchasòä sepaRateLy.
5/202.ß
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