DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 182 of 1422
DMWR 9-2815±220
Section IV.
OVERHAUL OF CrANKShAfT AN± ASSOC²A³ED PAR³S
5-18.
Gene´alµ
T¶is section cove´s ove´·au¸ o¹ t¶e cºanks¶a»t and asociated pa´ts
(¹ig.
5-17) (5/66)±
¼peci¹ic inst´uctions »o´ disassemb¸y, cleaning, inspection½
ºepaiº, and assembly aºe inc¾¿ded.
Wea´ ¸imits, »Àts½
tole´ances, and oveº¶a¿¸
ÁnÂpection pºocedu´es ÃOIÄ's) o» individua¸ coMponents aºe also inc¸uded.
5²³9´
ÅisasseÆb¸y and C¸eaning.
a.
DisasseÆb¸Y.
re»e´ to
TM
µ-2815¶220-34.
b.
ÇÈeanin
É. Re»eº to paºagºap¶
5-3
a,
b, and c
(5/·
) ¹oº Êeneºa¸ cleaning
inst´uctËons Ìo´ t·e cºanks¶a¹t and associated paºts.
5-20±
Inspection.
Inspect t·e cºanÍs¶a»t and associated pa´ts
acco´ding to
inst´uctions in paºagºap¶
5¸4 (5/2 )
and ±ÎÏ's included in t·Ðs
Ñection.
weaº
¸imÒts,
¹its, and toleºances »o´ t¶e cºanÍs·a»t and associateÓ
paºts
aºe ¾isted in tab¸
5-5 (5/6¹ )
.
See paºagºap·
5-4,
b and
º5/33 )
»oº explanation
o¹ Ôeaº ¸iÆits½ ¹its anÓ to¸eºancesÕ
f
5-20»1±
Rec¸aMationµ
Öse t·e pºocedu´es out¸ined be¸oÔ to ºec×aiM t·e cºanks·a»t
;
ºeaº oi¸ seal suº» ace.
aµ
Inspect cºanÍs·a¹t ´ea´ oil seal suº¹ace Ø»igÕ
5-·6±1) ¼5/64±1)
¹o´ Ôea´
1
caused by t¶e oil seal lip.
I¹ seal Ôeaº Øg´oove) is
0»003
inc· deepÙ oº less, it
•1
can be ºepai´ed by blending Øpo¸iѶing) t·e gºoove and scoºing t·e seal s¿´»ace Ôit·
80
gºit pape´ at a
45°
ang¸e, Ôit· t¶e spiºa¸ Øpatte´nÚ as s·oÔn in ¹iguºe
5-·6»2
º 5/6½. 2)»
CAÖÛÜOÝ
Do not spin t·e cºanks·a»t Ô·en scoºing t¶e ´eaº oi¸ sea¸ suº¹ace.
bÕ
²» sea¸ Ôea´ Øg´oove) exceeds
0.003
inc· dept· on a side, it Þust be
ºestß´ed to seºviceable condition be»o´e being
´eàsed.
á´ind t¶e a´ea s·oân
in ãägu´e
5-16.3 (5/64´3)
to eliminate t·e Ôeaº g´ooveÕ
restoºe t·e sea¸ sà´¹ace by
app¸ying ·aºd
c¶´oÆe p¸ate in t·e aºea s·oÔ in åiguºe
5-16¾3 (5/64»3)
to a dept· o»
0´00¿
to
0.005
inc· t¶ick on a sÁde a¹teº »inis·.
cÕ
Gºind t¶e ºeaº oi¸ sea¸ suº»ace and po¸is¶ to t·e diMensions s·oÔn
in figuºe
5-·6±4 (5/65 ).
dÕ
Scoºe t¶e ºeaº oil sea¸ suº»ace Ôit·
80
g´it pape´ as s·oÔæ in
çiguèe
5-À6.2 (5/64.2)Á
/
Back to Top
