PS Magazine - SEPTEMBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 382
SEPTEMBER 1984
Have No Doubt, It's Leaking Out
A gear case that's low on oiL is leaking-there's no other way fOr the oil to
get out.
Your truck's transmission, transFr, winches or di±²erentiaLs don't use oiL like
an engIne does. Gear lube shouLd last as Long as the equipment.
Your PMCS tell you to look under the vehicLe ³r any signs of Leakage. Check
fOr any drips ´r wetness on the underside of tHe tRuck or on the ground. Even
a slow leak can let out enough lube over
time to leave dry metaL gears grinding
against each other. PictUre that happenµ
ing whIle your eQuipment is opeRating
hot anD heavy. You can kiss those gears
goodbye!
¶eport any leak on your
·
¸A ¹orm
2404. The problem could be a bum seaL
or gasket, or loose cover scRews, foR
instance. Your mechanic can check it
out beºre the gears check out ³R good!
Diesel/MuLtIfuel Engines .
.±
diesel ±±Slobber''
»f you spot some wetness liKe ¼e½ o¾
oil see¿age around thÀ exhaust mani³ld
joInts,
don't panic.
Could
be your
engine is suÁering ±rom ÂÂdieseL slobµ
ber" -a cÃronIc but not Ätal condition.
16
The wetness iÅ unburned ¼eL and conÆ
densation.
ǸieseL slobber" is ÄirLy common
Ènder cerÉin conditionsÊhigh humidiÆ
T
and low temperatUre, and long iËling
without reaching operating temperaÆ
tureÌ
BefOre you send your truck to supÆ
port ³r a curÍ, try giving it a good Run.
Îr,
if
it's
dieselÏengine
stationary
equipment, run tHe engine at about
halfway between idle and ¼lL speed ºr
a Fw minutes. Then check to see if tHe
wetness is gone. »f Ðt's stiLL Leaking,
have your support check itÑ
SEP 84
m? 47 S²³´traµleR Brak²¶·
.
±
f
I
Lube TwicE As Of²En
Turns out the 12,000Òmile or 12ÏÓontH intervaL ºR Lubing bRakes on tHe M747
semitRailer is simpLy not getting the job done.
Ôhe headshed saÕs brake components now need to be Lubed with
B.H,
NSN
9150Ö 00Ï141Ö6700, every 6,000 miles or 6 months. At the same time, you ×echs
cLean, inspect and aØjust as spelled out in PaRa 4Ö30b and PaRa 4Ò31 a of TM
9Ö2330Ö294Ö14.
The extRa service wiLl ÙoRe than pay ºr itseLf iÚ saFty and reduced downtiÛe
.
Ü
Ýeme×beR to Replace aLl adjusting and inspecting HoLe coveRsÞ Missing coveRs
aRe an open invitation to dirt and nasties tHat can make tHe components weaR
out Äster.
SEp 84
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