DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 163 of 1422
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DMWR
9-2815-220
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Repair and Assembly.
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Repair²
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Gene³aL ³ePai³²
Refe³ to pa³agraph
´µ´ (´/ ´
) fo³ general repaIr p³o-
, ceDu³es´
´2µ
Re air bY weµD¶n·.
¸epair of c³ankcases by weµd¶ng Is peNisSiBµe except
in areas oF ¹gH stress such as radiiº weBBing» and Bosses´
Refer to para¼³ap½
±µ7
(±/ ³¶)
for general welDing ¶nst³Uct¶ons of alUMin¾M castings and (a) t¿roUg½ Àc)
Beµow for specific ¶nfo³Áation on ³eÂa¶r anD welD¶ng of t½e cranKcase´
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C³ankcase WelD¶nÄ´
¸epai³ of c³anKcases by WelDing ¶s peÅÆissibµe
eXcept in t½e a³eas sÇoWn Èn f¶gUres
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th³o¾g½
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th³oUgh
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Repai³ By BlenD¶ng of nicKsÉ g³ooves or ¶Êpact daÁage on the ¶ns¶De of the crankË
caseÌ on t½e ¾nDe³s¶de of the cyl¶nDer Deck Áac½ined s¾³faceÌ is peN¶tteD p³oviDË
¶ng DaÁage Does not prog³ess ¶nto rest³IcteD area´
ÍeLDing is peNitted iÎ the
fiµµet a³ea aDjacent to t½e s¶de waµÏ of the crankcase²
ÐaÁageD cyl¶nDe³ stÑD
½oles_Òay Be ³epa¶³edÉ b¾t ent¶
Ó
re ʶssing sect¶ons ÊaÔ 1ot be reTÕcedÖ
×ac½Øned
sÑrface Ù¾nt¶ng bosses or pads wÚich ½aVEÛ bÜen DaÝged by f³ettingÉ scorÞngß
¶Ápact Êay also be repaireD except t½ose areas indàcateD in f¶gu³es
´µ·
t½ro¾g½
±µ³¶
(¼/½·
³
thro¾g½
(´/¾¿
³
±
áelD s¾rfaces Êust be ³estored to spec¶â¶ed
diãnsions By äc½i i
å
ng.
Á
Â
TA034302
æigu³e
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çypicaè cranKcase h¶ghLy stresseD a³easé
3/Â
³¶g½t ³ea³ êIeëì
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