PS Magazine - TB 43-PS-707
PS, The Preventative Maintenance Monthly
ISSUE 707
OCTOBER 2011
10
PS 707
OCT 11
11
PS 707
OCT 11
Dear Half-Mast,
On Page 11 of PS 699 (Feb 11), you recommended that we cover our
HMMWV turrets with a tarpaulin, NSN 4610-00-442-9736, to keep rain
and snow from flooding inside the vehicle. But FED LOG shows the NSN you
gave us is a terminal item. What’s a good replacement?
CW2 J.H.
Dear Chief J.H.,
Sorry about that. We’ve got two options for you.
NSN 2540-00-587-2532 brings a 12x17-ft tarpaulin.
Or you can order a Ftted cover with NSN 2540-01-330-6177.
A
few well-intentioned operators believe they have to deFate both air springs before
tilting the truck’s cab. Problem is, they forget to re-inFate them when they ±nish the
work. That presents problems.
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, causing your backside to suffer
big time on a bumpy road.
If the air springs on your truck
are Fat, re-inFate ‘em. The panel’s
a little misleading. Just press and
turn the CAB knob on the hydraulic
manifold control panel to the right.
There’s only one situation when
you need to deFate the air springs,
and that’s when you’re preparing
your ²MTV for air transport.
So
leave ‘em alone at all other times.
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.
Both air springs on basic and –A1 model ²MTVs (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
²MTVs (serial numbers 100,001 and higher).
HMMWVs…
Turret Tarp NSNs
FMTV…
Keep Air Springs
Press and
turn CAB
knob to right
to inflate air
springs
Keep cab
level with
inflated 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, you won’t be
a stranger to
pain!
in PS 699, we gave
you NSNs to get
replacement tarps for
your HMMWV turrets,
but those NSNs lead
to
terminal
items, so…
…we have
not just one
new NSN for
you…
…but
two!
A 12 x 1
7
tarp
or a fitted
cover!
707 10-11.indd
1-2
8/26/11
3:16 PM
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