DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 247 of 1422
OMR 9-2815±220
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5-32.
(Cont)
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TAOJ4318
Figure
±²26.
CheckINg pisTon Top rINg groove
UsI±g Tapered groove pIston rINg gage.
(2²
²wIsted or bent cond³TIoN.
CHeck rods for cracKs by magnet´c part³cle
Mthod aNd µor twIsteD or BeNT con¶ItIo±.
·nder no cIrcU¸sTa±ces shouLd coNNectIng
rOds Be straIgHTe±ed¹
ºesTroy any rod µoUNd damaged To ensure It Will not Be
rEUsed IN aN eNg³»e¼
³3´
PIston ½In sLeeve bearinG.
¾±specT pisToN pi± sLeeve Bear¿Ng µor
pIttI»g, gaLlINgÀ scori±gÁ or ÂscoloraTioNÃ
Äark daÅaged BearI»gs µor replace-
ment.
I
µ4¶
CoNNecTINÆ rod beariNÇsÃ
ÈaÉ
ÊeneralÃ
SeparaT³oN of BearINg ËetaÌÁ or sIg±s of possIble separaÍ
tIo± reqÎIres that the BearI±g be repLaced.
Ï´Ne scratcHes are noT caUse µor
rejectioÐÑ
ÒittiNg or a±y oTher form oµ desTrUcTIon To THe bearINg surµace is
caUse µor rejecTIoN.
Replace bearINgs sHoWIÓÔ raised ÕeTaÖ at edges of scratcHesÃ
×Inute pIeces oµ ØtaL a±d dIrt partIcLes e¸Ùedded I± bearI±g sUrµaces are ±ot
cause µor reJecT³oÓÚ
ÛepLace aNy QuesTionabLe BeariNgsÃ
ÜݲÞ
ßo ÓoT aTTempT To remove meàaL or d´rT particlesÚ
áoWeverâ iµ a concenã
tratIo» oµ e¸bedded parTIcLes afµects µIve perce±T or Õore oµ the surfaceä
replace THe BearingÑ
5/12·
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