PS Magazine - MAY 1985
PS, The Preventative Maintenance Monthly
ISSUE 390
MAY 1985
teaA-±cid BaTeries .²²
I
±·
-
.±
²
.
³´
-
Your 2 1/2-ton or 5-ton truck doesn't need to sit on deadline waiting fr
battery holddoWn J±bolts²and it could be a long ³ait. J±bolt, NSN 5306±´±
739-7754, fr Mµ-series 2 1/2-ton trucks and M39/M809 5±ton trucks is hard
to come by. So is J±bolt, NSN 5306-01-1¶±7306, fr M939±series 5±ton trucks.
UntiL the supply system re-stocks these J·bolts, you might get by with wHat¸s
available in your ca¹nibalization point. CHances are, tho, that boneyard j±bolts
aRe as bad as those that need replacingºthReads chewed up b» corrosion¼
No sWeat¼ Your supportºor maybe even your own shopºcan
tm
out j-bolts
Fom bulk hard½aRe about as ¾st as youR P¿¿ clerk could do the paperWork
fr ordering Fom tHe supply system¼
22
MAY 85
Use an old J·bolt as a paTterN for
length aNd hook size.
Cut rod, ±S± 9510-00-287-9397, to
%µ¶
length Needed:
Heat end of Rod To cheR²
red with toRch. ³heN ´.´
´.. bend to hook shape
iN jig (µo bolts or
rods of same diameter
clamped in vise).
Paint unthreaded pa¶
wiT¸ epox
±S± 80¹0-00-959º4661.
³hRead wiTh
3/8-16±C die,
±S± 5136»00»189»3217,
in ±o¼ 2 CommoN
Shop SeT.
GRease Threads both
before and after
iNsTallation To head
oF corRosion.
Lock washeR
±S± 5310½00-959¾4675
.±
±uT
±S± 5310½00-732¿0558
À
MAy85
Àhy the big demand fR batteRy
HolddoWn J±bolts? Because coRRosion
is alloWed to destroy the TreadsÁthe
WeAkest point
i
your batte HolddoWn
HaRd³are. Ãhis is tHe same corRosion
that eats up holddoWn brackets and
batterÄ boxes.
Ãhere¸s no excuse År coRRosion
oÆ metal paRts aRound batteRiesÇ You
mecHanics pRevent coRRosion by keepÈ
ing metal parts clean and painted.
Àhen operators repoRt any sign oÆ
coRrosion, you get it oÉ With a WiRe
bÊush and by washing With a soda±andË
water mix. Ãhen you slap on the paint.
Ãhe wHole story on clea¹ing is
i
ÃM
9±6140±200±14, Page 3±7, Para 3-8bÌ
23
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