PS Magazine - JANUARY 1977
PS, The Preventative Maintenance Monthly
ISSUE 290
JANUARY 1977
'i
GROUND
MOBILiTY
Just a careless flick o' the wrist-
the HL±²OC position. It's on³y a little
and you've set the stage for damage to ·to the rear
´
of the HI position. You can
your 4±wheel drive M880±series
l1/-
hard³y feel the c³ickµ in the gears.
ton truck. Busted U±j¶ints. Broken or
stripped gears.
This can happen when you Drive on
a
hard¸surfaced
road
with
your
traNsfer in ¹I±²OC or 1º±²OC. That's
with the transfer shift lever al³ the way
to the front or al³ t»e way to the rear.
Either one of these ²OC positions
makes your front and rear drive shafts
turN at exactly the same speed. This's
because the front and rear ¼rive shafts
are ³ocked together by the transfer.
Troub³e co½es when you turn a
corner or round a curve. The front
wheels an¼ rear wheels don't want to
turn at the sa½e spee¼. So they fight
each other. You can fee¾ it. The whee³s
hop, skip ¿n' grab. Your drive train
can't take it. Something's gotta give!
If you don't watch close, it's awfu³
easy to s³ip that transfer lever back to
54
±
·
The tiÀe Án' p³ace for ¹Â¸²OC aÃd
1º±²OC is when you rea³³y need it.
²ike
fo
mud or snow. Then there's no
problem wit» the front and rear sheels
fig»ting
each ot»er-t»ey can sliP
enough
to
catch up oÃ
the
speed
diffeRence.
hArÀ iN your using nĸ³eadÅÄr low¸lead
GaÆijine iÇ ÈÄuR
gaÆo³ine
engine¸powered
tactica³ and cÄmbat
Vehic³eÆ,
geÃeratÄRÆ, cÄÀÉ
pressÄrs, tractors, c»ainsaws and M¹E.
Fact is, you may not be aʳe tÄ get anything but un³eaded GaÆijiÇeÅËedeRaÌ
Specification Í͸θÏ0Ð690Ñ.
You probably won't have aÒy troubÌe uÆing unÌeaded gaÆijiÃe ià aà eÇGiÃe
that'Æ designed tÄ run on leaded gaso³ine.
If un³eadeÓ gasoline gives your engine tRouble, let the head s»ed KnoW WitÔ
an EIÕ
(dA
For½ 2407). TheyÖ Want to knÄw abÄut suc» t»iÃGÆ aÆ Va³V×
recessØonÙpre±ignition and any other probÌemÆ that mig»t coÀe froÀ uÆinG
unlea¼ed gaso³ine.
Your Úown command wi³³ have to keep tracK of this, since aÇy pÄÄP aÊÄut
troub³e inside the engine mayµ have
Û
to come from your supportÜ Ý
²²
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