PS Magazine - APRIL 1982
PS, The Preventative Maintenance Monthly
ISSUE 353
APRIL 1982
v
V
Losing a D8K tractor off a 40-ton
M870 low±bed sEmitrai²er has a
domino effect on maintenance down³
Time and parts rep²acement. It caN
raise tempers andget peop²E hurt, too.
Once the heavy dozer starts s²iding
on The trai²er bed, You can't do much to
s´op it.
YOU CA/ HfD oF
1±²il³´7
;TµR¶UB·f,
Th±! ISE a MiN²mu³
.
´µ 12 t¶edWn c·¸¹ºs - 4 »¼½¾¿
ÀÁ ÂÃÄÅ ÆÇÈÉ ÊËÌ Í ÎÏÐ ÑÒ
ÓÔÕÖ ×RØÙÚ ÛÜÝ rÞß
OF
àáâ
TRCtOr!
±²aile² P²ep
µxtend thE outr¶ggers and use extra
Timbers.
·ou can hau² a D8K equipped with
any b²ade and winch, or with Any b²ade
and ripper¸with 1, 2, or 3 shanks¹
TeETHºWith tHe M920 tractoR tRuck
»n¼ M870 trai²Er.
D½LO¾S¿L-Msg P051240Z May
8À H»s the Word Án tRuck/Trai²er/²oad
cÂmBiN»tiÂns that weigh more than
ÃÄ0,000 pÁunds.
LoAdIng ³he ´²ac³o²
Åractor eqUipped with ripper: Drive the tractor up the front ramp and
toward the rear unti² the b²adE wi²² rEst on the s²aÆted Çear ramp.
In this position, the heavy ²oad is off the front of thE trai²Er and truck winch
cab²e when you raisE the gooseneck into p²ace.
ÈEver ²oad thE tractor from the rear of the trai²er.
½ftEr thE goosE nEck is hooked Up to thE trUck, back thE tractor up so you ÉavÊ
equa² ²oad distribution on the truck trai²er and trai²er ax²es.
Åry to posiTion the D8K on the trai²er so that the 4 tiedown ang²es wi²² be as
c²ose to 30° as possib²e. Åhis 30° tiedown ang²e givEs the tractor maXimum
ho²ddoWn secuRity.
Ëower the ripper frame, so the shank(s) ridE on the gooseneck.
År»cTor equipped with winch: Ìoad the tractor in the same manner. Leave
tHe b²adE resting over the midd²e rear trai²Er ax²e.
Upper Rear track carrier rolLeR
supporT assembLy to The 2d TieDow±
ring.
UppeR rear carrier rolleR sup-
:
,ã
•1
porT assembLy down behind the push
µ
²
beAm To The 3d tIedown RIng.
.±²³
´µ¶·¸
¹
º»¼ ½¾¿À
äå
æçè
é
•
Upper forwarD carrieR roLler ,
suppo³t assembLy down behinD The·´
ê
µ¶¸
¹º'
p»sh beam To The 4Th TiedowN rIng¼
the opÍ
side and front tiedown arraÎgemEnt,
but use 2 tiedown chains crisscrossed
from the rippEr shanks to the tiedown
RiQgs on the trai²er Gooseneck.
Keep speed between 18Ï20 MPÐ
maximum .
.. s²ower whEn wEather and
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