DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 116 of 1422
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DUR 9·2815-220
5-5.
(
Cont
)
±2²
Replace aL± bearings whIch do not confoN to to±erances specified in the
appropriate wear limits,
fIts² and to³erances tab³e.
³3´
´efer to TM
9µ¶14
for InForµation on inspection¶ care and µaintenance of
anti-friction bearIngs·
d¸
Studs¹
·1¸
Gnera±º
´ep³ace a³l bent or ³oose studs or studs showing s»gns oF
stretching·
RepaIr µInor thread da¼ge wIth a thread chaser½
´ep³ace a³± studs
having stripped or damaged threadsº
´e¾ve and rep±ace studs as outLined »n
¹3º
and
»¼½
below¸
¾¶¿
Stud ¿dentIficationº
Stud »dent»fIcation tab³es appear In the co1Àonent
repaIr sect»ons of thIs chapter¸
Each tab³e conta»ns the appropr»ate »nForµatIon
regard»ng stud sett»ng heIghtsÁ nUµber requ»red and reference Figures for stud
»dentif»catIon and ±ocat»onº
ÀÁÂ
ReÂva±º
Ãs»ng a stud extractor, back studs out s³ow±y to avoid heating
and possIb±e seIzure¸
When studs are broken off too short to use extractorÁ dr»l±
stud and extract w»th a suitab³e re¾verÄ
Short studs ¼y a³so be reÅOved by
we³ding a pIece of bar stocK or a nut to stud and reÅOvIng wIth a wrenchÄ
¾4¸
ReP³aceÆntº
(
a
)
Repa»r m»nor thread da¼ge »n tapped ho³es with a used tap½
(
b
Ã
When threads are stripped or da¼gedÁ or when stud was reÅOved From an
a³ÇµinUµ cast»ng For ±oose
Fit² a³ways rep±ace stud with next larger oversIZe¸
ÈarÉings and co±or code oÊ re¾ved stud indicates whether It Is standard or oversiZe¸
Ëheck markIng and co±or as shown in
Ä
fIgure
5Å1¸ ¾5/6
º
to be sure rep³aceÆnt is
of next ³arger oversIZeº
Æ
c
Ã
When tapped ho³es In ca_ÌtIngs cannot be F»tted with oversiZe studsÍ or
»n cases of coÎp³ete thread pul³out²
the ho³es In the castIng can be FItted wIth
screw thread »nsertsº
DrI±± out threaded ho³esÏ tap ho³e for threaded Insert.
¿nsta±± threaded Insert
»
par¸
5-Ç¿ ·5/8
)
and appÐopriate standard siZe stud¸
S
SANDAtD
0ÍÎ
Oo1
´VUsIu
´Vµ¶iZE
C´l´T c´de
nE
lE
¸¹e
MRK
0
C)
C
TA03429±
Ñigure
5È1É
Standard and overs»Ze stÒd »dentif»catIon¸
5ÊË
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Ñ Ò
Ó
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