PS Magazine - JANUARY 1985
PS, The Preventative Maintenance Monthly
ISSUE 386
JANUARY 1985
M915 Tractor Truck .±²
Seat of the Problem
Failure of ±ont whE²l bEarIngs can come ±oM ³ulT s´µng of ¶he bEaRings and
bearing cups. ·his, iN
tm
can lead to hub and axle DaMage .
.. anD loss of a
wheel. .
. and an accident!
Adjust
ber
g
as
¸
r=±:²"³7'´/µf¶0·¸¹º.»¼½
sPlLed out on ¹age
10-4 of ·º 9»
2320»273¼20. But
add a couple of
i-
·
½r¾nt de¾i¿s:
v
Àotate
the
whEel back and
fR
while torquiÁg the
adjusÂng nut to 50
lÃÄ ·hIs
I
How you Åake sure Æe bEarings and cUps are not cOkEÇ oÈ In Æe hub.
v
Back oÈ ¶he adjusting nut 1/16 to 1ÉÊ
tM
·hen iËs¾ll Æe rest of ¶he
ÌaÍware like ¶he ·º says.
Cat Walk Safety
¹rotect your trÎck's air hoses and electric cablesÏand, Maybe your healthÐby
extending the cat waÑ deck plate on your º915 or º916 truck.
Òrder the deck plate with ¹Ó ºC
207»20069, FSCº 3Ê623. ·he cost is
about $1Ê0.
22
FoÔ installation, you need Õur
J±
bol¶s, FSCº 3Ê623, ¹Ö ºA25×2Ø2Ê1;
Õur washers, ÖSÓ 5310»01»119»102Ê;
and Ùur nuts, ÖSÓ 5310»01»Ø19×3668.
FoÚ non»ÓSÓ IteMs, ÒCÒÓÛS unIts
use ÀÜC of S9C; CÝÓÞS units write
ßßÀeqàest local purchase'' in the
ÀeMarks blák of ¶he ââ FoÔM 13Ê8ã.
·he plate is Installed the saMe way
as the plate already there.
JAN 85
²915³SE´µEs T¶ucks .·.
cOvER sAvE± DiF²EREnTiAL
•
ºaybe it happens acciden¶ally .
.. or
Maybe soMe drivers donät pay a¶åention.
But wÌa¶ever ¶he rEasoË, diÈeren¶æals are
still being DaMagEd by Drivers switching
¶he interçaxle diÈerential
¸
èÒCK while
the truck's Moving.
·º 9×2320×273×10 Makes it clear on
¹age 2»11:
"âo not place switcé in the èÒCK positIon while tée truck is Moving or any
wéeel is spinning.ê
Òne way of driving téis Message hoMe wës suggested in ¹S 352. Üt involves
the additIon of a swItcé cover and a caution note.
Þse 0.125»in thick Meìl, ÓSÓ 95Ø5×00×8í6×33Ê7, and self×tapping screws,
ÓSÓ 5305»00»883»0633. ârill 1É8»in éoles in the dasé to Mount tée cover.
M915-SerIe³ ´aN µARE
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