PS Magazine - TB 43-PS-672
PS, The Preventative Maintenance Monthly
ISSUE 672
NOVEMBER 2008
10
PS 672
NOV 08
11
PS 672
NOV 08
i
n freezing temperatures, ice on the road can make you go when you want to stop.
And ice that forms in fuel tanks and fuel lines can make you stop when you want
to go!
Some operators think they have to deflate both air springs before tilting the cab.
Then they forget to re-inflate them when they Fnish their work.
With no air, the cab isn’t level. Bumps and jars during operation can make the
springs pinch the bag. A damaged bag won’t hold air so your backside suffers big
time on a bumpy road.
The only time you need to deflate
the air springs is when you’re
preparing for air transport. So leave
‘em alone at all other times.
If the air springs on your truck
are flat, re-inflate ‘em. The panel’s
a
little
misleading.
Just
press
and turn to the right
the CAB
knob on the hydraulic manifold
control panel.
And if you have to replace
the air springs, order them using
NSN 2510-01-481-7663 and NSN
2510-01-481-7651. Use your parts
manual as a guide.
Or both air springs on basic and -A1 model ±MTVs (serial numbers under 100,000)
can be repaired by replacing the air bag. To order the air bag, use PN PP997900 with
CAGE 26952. An NSN will be assigned later. Cab air bags aren’t on -A1R model
±MTVs (serial numbers 100,001 and higher).
Add one pint of additive for every 125 gallons of fuel. The less fuel you use, the less
inhibitor you’ll need.
If you use JP-8 jet fuel, don’t add icing inhibitor because it’s already in there! Jet A-1
does not have the inhibitor, so treat it just like diesel fuel.
NSN 6850-01-
Qty
5-gal can
55-gal drum
377-5074
057-6427
(local purchase)
089-5514
•
Drain fuel Flters
every day you
operate, just like
your PMCS says.
If you get more
water than usual
when you drain the
Flter, report it. The
tank may need to
be cleaned out.
•
Refuel with care to keep water or snow out of the tank.
•
Keep the fuel tank Flled to the ±ULL mark to stop
condensation.
WHEELED±
VEHiCLES…
ice in fuel freezes movement
FMTV…
KEEP±CAb±
LEvEL±witH±
iNflAtED±AiR±
SPRiNGS
²RESS±AND±
tURN±³´B±
kNOb±tO±RiGHt±
tO±iNflAtE±AiR±
SPRiNGS
drivers, you’re in for a rough
ride in your 2
1
/
2- or 5-ton
fmtv
if you don’t keep the vehicular
air springs inflated.
if the cab gets down
to metal-to-metal
contact, pain won’t be
a stranger to you.
µRAiN±
fUEL±
¶LtER±
DAiLy
add icing inhibitor
to diesel and jet
A-1 fuel
after
you fill the tank.
Here’s what
to use…
so what can
you
do to
keep the fuel
flowing and
your vehicle
going?
hey,
what
happened to
our truck?
oh no!
I
forgot to
drain the fuel
filter and add
icing inhibitor!
you can
also
Use
icing
inhibitor.
Too much
inhibitor
can cut
performance
and damage
engines, so
be sure to
follow this
guidance…
But first
make sure
it hasn’t
already
been
added!
672.10-11.indd
1-2
9/29/08
5:00:23 PM
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