PS Magazine - TB 43-PS-635
PS, The Preventative Maintenance Monthly
ISSUE 635
OCTOBER 2005
1.
Make sure all loose objects inside the cab are either properly fastened down or
removed. Unsecured items will fly around when the cab is raised, damaging the
inside of your truck.
2.
Lock the machine gun ring mount in position. An unsecured mount—especially
one with the machine gun still attached—can swing around abruptly during the lift.
The sudden shift in weight can cause the cab to fall forward more rapidly, injuring
someone standing in the way.
3.
Make sure no one is still in the cab, then close and secure all doors. The hinges
can be damaged if a door suddenly slams open as the cab tilts forward. And anyone
standing in the door’s path can be seriously hurt.
4.
Loosen and lower the armored nose plate. To do that, you’ll need to remove the
bolts that lock the nose plate in position. If those bolts aren’t completely removed,
they keep the cab from coming up. And if the cab won’t move, the lift cylinder
bends and can even damage the cab floor.
5.
Install the cab lift safety chains, NSN 4010-01-525-
0947. Once the cab passes the center point of the lift,
the extra weight from the AOA makes it fall forward.
That damages the lift cylinder and the cab hinges. The
safety chains keep the cab from falling too far forward.
Just make sure you remember to stow the safety
chains after you’ve lowered the cab. Leave the chains
in place and they’ll wrap around the vehicle’s
tires during operation.
PS 635
OCT 05
14
FMTV…
With steps 1-5
complete,
you’re ready to
safely
begin
lifting the cab.
To prevent that
damage, follow
these step-by-step
procedures as you
prepare to lift
the cab…
…every
…single
…time.
Lifting the FMTV’s
cab for routine
maintenance is
anything
but
routine if your
truck has add-on
armor (AOA).
Forgetting
to lower
nose place
can result in
bent lift
cylinder…
Safety
chains
keep cab
from
falling
too far
forward
…and damage to cab floor
Get that cab
up. We’ve got
a lotta work
to do today.
you got
it, chief.
you’re gonna have a lot
more
work now… you didn’t
raise my cab the
right way.
Armor Means a Tougher Lift
in fact, you can cause
all kinds of damage—
including a crushed
floor and a bent cab
lift cylinder—if you
don’t do it the
right
way…
635.14-15(C).qxd
8/27/05
12:15 PM
Page 1
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