PS Magazine - OCTOBER 1978
PS, The Preventative Maintenance Monthly
ISSUE 311
OCTOBER 1978
How does gear oil get by a gooD
outer hub seal and ful up The
rear wheel bearings iN your
2%-±on or 5²ton truck?
Old timers ³
who've learNed
the hard way ³
Know the aN´
swer:
A
tiny piece µF cork is missing
¶oR the axle housing keyway. So
gea· oil ¸oM the axle housing
snea¹s right past the outer ºil
seal keYway tooth »»» into the
¼
hub ½¾» and washes the grease
out oF your wheel bea¿ings»
Àou wonÁt Ând anything about
this cork insert in
TM
9Ã
2320Ä209ÃÅ0 (Apr 65), para 205;
tM
9-2320Ã211Ã20 (JunÆ73), para
2Ã210, or
TM
9Ã2320Ã260Ã20 (jul
72Ç, para 2Ã160»
Although itÁs shown in
TM
9Ã2320Ã260Ã20P (Èov72) as Item
3 in Éig 13-2, thE Part Èumber
Ê8Ë58266) won't g
t
you the part
Ìr those 5-ton trucksÍ And
there's Îothing about it iÏ
TM
9-2320-211Ã20P(Ðay 73),Éigure
Ñ23Ò Ór the sister 5-ton ÔeeÕ»
So you have.±o make a cork in-
ser² from
Cork, SheÖ×, ÈSÈ
5330³00³184´µ459¶ Fac± is, you
can maKe a lo± o· 'em ¸
±ha±
shee±'s 36x36x¹ inches¶ Make
your cork inser± 7/16 x 7/16 x 1/4
inchesº Bevel one end
a
li±±le ±O »±
where ±he inner end o· ±he axle
housing keyway slopes up¼
½hIs's
fr
bo±h ±he ½M´211´
series and ½M´26¾0´series 5³±on
±rucks¿
Be±±er news Àr your deuce-
and´a´hal·sº ½he inser±'s lis±ed as
·
Cork, wHeel Áearing lock key-
way,
ÈSÈ Ø3Ù0Ã00Ã348Ã836Ø,
pagE 232, ÂM 9³2320³Ã09³20P
.
Te
keyway tooth oF
the oil seal pResses
against the coRk
inse±. ThIs wedges
Lhe co²k undeR the
beaRing
Wi±h ±ha±
ÈSÚ,
Ähe par± cos±s
Ø4
cen±sÅ Bu± you can ge± ±he
same i±em
Ûr 9
cen±s wi±h
ÈSÈ
ØÙÙ0Ü00Ã
712´1244¼
(Æc± 76)Ç
21
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