DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 443 of 1422
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DMWR 92815220
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.1.
(Cont)
(b)
GriT blast beariNg bore with cLean, oiL free G25 chI±Led iro² griT.
(c)
RougH T³read T³e ´µDµ surFace.
(4)
¶emove grit b±ast masking maTeriaL and remask WitH sUITab±e meta± pra
maskiNg materiaLµ
´²µ
·sI¸g MeTco ¹OE or 1ºE »ire Spray SysTem, appLy a bo¸¼ coaT oF MeTco
¶·²
NicKel alUmi¸i¼e to the prepare¼ sUr½ aceµ
¸6¹
Apply top coat o¾ ¿Àtco Ápraystee± ÂS to obTaiN a
.·3·
iNcH uNÃersIze
bore dimeNsioNÄ
º7»
AÅter T³e p±aTe ³as cooLe¼ NaturaL±y To room TemperaTUre, remoVe
maskI¸g an¼ macHine beari¸g Bore to draÆing speciÇIcaTIons.
ÁÈÉÊË ÌÍζÏÐG ÌO¶Ñ
TA265799
I
ÊIgure
²¼²3½¾½
CÒmÓHafT e¸d coÔer BeariNg pLaTeÕ
Ö×ØÑ
A±L moÙnTing sÚrFaces repaIred By this process sha±± Be
¾¿À%
inspected
¾or coatIng i¸tegrity after machInINgÛ
˳e coatiNg sÜa±L sHoÝ No bo¸d separaÞIo²
at T³e coatINg To Base
metaL INterface.
ß³e coaTing s³aàL Be Free From B±ister-
INg, craákINg, cHIppi¸gâ
a¸d Fraye¼ e¼ges.
ã³ere sha±± Be no B±eedoUT oF oIL or
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äTHer conTami¸ants T³roÙgh The åinIshe¼ coaTIngÛ
c
²/3·Á ½¾
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