PS Magazine - AUGUST 1977
PS, The Preventative Maintenance Monthly
ISSUE 297
AUGUST 1977
1
n
IlL
.1±
Like you've got the tire on the rim.
And you±re trying to fil² the tire with
air³ But the tire bead won±t seat against
the rim-so the air pours out as fast as
you Pump it in.
Cool it! Get the Tire Bead Seater
that±s part of the specia´ tools for
M880µseries trucks³ It±s in Change
²,
TM
9-2320³266´20P
(FEb
76)µ
-
-
±
²
±²³
t±s lik
a sk¶ny,
=
chy rubber
dougHnut. All it does is fill up the
space between the tire and rim·on
one side¸so the air you pump ¹nto the
tire will push the bead out against the
rim. Then you can inflate the tire to
the rigºt pressure³
»ere±s ¼ow you use the bead seater:
First, ½¾y the mounted tire ¿n± rim
with the Àair valve side down. Swab
some slickum on the tire bead and rim
edge that±s facing uP. Áut some on the
bead seater, too³ Use Rubber LubriÂ
cant, NSN
2¶40´00·256´5526¸
Ãhis±s a
literÄsize container. There±re
2
other
8
sizes,
²
gallon and
5
gallons, also listed
on Åage
3´5,
TM
9c26²0¹200·20(
Feb
7 7 )
,your "bibleÆ oÇ tire care aÇd
maintÈÉaÇÊÈË
stretch the doughnut to get it over the
edge of the rimÌ
-±
´
µ
As the bead on the bottom side
seats, the doughnut will be forceD
out-if you useD enough rÍbber lubeÎ
Ï
BEAD SeATeR WILl SLIP OUT
uNDeRnEATH AS TIRe inF±AteS
Ðf you don±t use enough lube, the
doughnut won±t
slip out¸so you±ll
have to let the air out and Ñtart all over
again³ If you use too much lube, your
bead seater Òay slip out too soon³
That±s all there is to itÎ
Óake sure you clean the doughnut
weÔl when yoÕ±re done³ AnD store it in
a cool, dark, dry place³ Lay it Ölat×
never hang it on a nail. It±Ôl rot if it±s
left greasy or out in sunlightÎ
bEaD sEaTEr In PLACE
-f²iP ³IrE OVER
Then flip the tire Ønd riÙ overÚ so
j
you can get at tÛe air vaÔvÈÜ Start
puÝtin± the air to Þer. Ðf air Èscapes, Ôiftß
the tire around the edgÈ to ÛÈÔp the
bead seat against thÈ rim.
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