PS Magazine - TB 43-PS-638

PS, The Preventative Maintenance Monthly

ISSUE 638

JANUARY 2006

PS Magazine - TB 43-PS-638 - Page 9 of 33
PS 638
JAN 06
14
General Operation
Make sure a trailer is coupled to the M1088 tractor with AoA at all times.
Do not operate your truck on inclines
that exceed 40 percent (approximately
22°). You’ll lose control.
Be careful climbing into and out of
the cab. The cab step is recessed inside
the cab edge so it’s easy to slip.
Use a lifting device to load and
unload the spare tire in the cargo bed.
Keep the spare tire firmly secured.
Make sure the cab is properly venti-
lated at all times. A damaged air condi-
tioner hose could let R134 coolant leak
into the cab area.
The AoA kit covers up the cab marker lights. That reduces the truck’s visibility,
so be aware.
PMCS
Inspect the entire AoA kit
weekly for loose or missing bolts.
Never over-tighten the AoA
bolts. Refer to the torque tables in
App F of TM 9-2320-366-20-1.
Any extra weight beyond the
AoA will impact steering and
suspension components. Make
sure you strictly follow all
required PMCS requirements.
Transportation
Do not air-drop.
Do not sling-load.
Do not transport on a C130 aircraft.
fmtvs
equipped with
add-On armor
(aOa) handle
and operate a
whole lot
differently
than regular
trucks.
here are a
few things you
should
keep
in mind…
{ulp!}
I don’t
think I
can
make it
down
there!
Steering and Turning
Greater force is needed
to turn the steering wheel
when the truck is not
moving or moving slowly.
At higher speeds, the
truck will under-steer.
That means the amount
the vehicle turns will be
less than what the steering
wheel is turned.
Reduce speed prior to
negotiating turns to make
steering safer.
Braking
Allow for greater stopping dis-
tances. The extra weight from the
AoA means it will take longer to
stop the truck.
Do not park the truck on a grade
of more than 30 percent (16.625°).
The parking brake may not hold.
Unsure of the grade? Park some-
where else.
The additional AoA weight
affects operation of the engine
exhaust brake. Be especially careful
when driving on wet, slippery roads.
Use caution when descending hills. There is very little weight on the rear axle.
that’s
what I
like… a
slow,
careful
driver!
slow
down,
willya?!
FMTV…
yeeouch!
that’s
too
tight!
638.14-15(C).qxd
11/28/05
7:31 PM
Page 1
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