PS Magazine - TB 43-PS-609
PS, The Preventative Maintenance Monthly
ISSUE 609
AUGUST 2003
Dear Half-Mast,
In the last couple of weeks, I’ve been asked the same question several times:
“Why do we do oil analysis on HMMWVs when they’re not listed in Table 4-1 of
DA Pam 738-750?”
Of course the answer is that the pam hasn’t been updated in more than 8
years (1 Aug 94). But is there anything official that tells us to AOAP-test
HMMWVs?
CW2 J.R.S.
PS 609
AUG 03
7
Trailer Hookups…
PS 609
AUG 03
6
AOAP…
To Sample, or
Not
to Sample
Dear Chief J.R.S.,
You bet. The Logistics Support Activity’s WebLOG
web site provides a list of all tracked and wheeled
vehicles in the AOAP program along with their sam-
pling intervals. The HMMWV is on the list.
For tactical wheeled vehicles check out:
For combat vehicles, watercraft, MHE equipment,
construction equipment and generators, click
on the links at the bottom of the page.
hey!
isn’t it about
time for my aoap
sampling?
but you
aren’t
listed in
da Pam
738-750!
You can
also add an
EMERGENCY
or SERViCE
I.D. plate to
your truck’s
gladhands
to help.
ID Plate
21/2-ton truck
NSN 9905-00-
5-ton truck
NSN 9905-00-999-
EMERGENCY
SERVICE
774-4284
740-9721
7369
7370
Paint truck
gladhands…
…and trailer couplings
“Careful”
is the word to keep in mind when you hook up the brake air hoses
from a trailer to your 2
1
⁄
2
- or 5-ton truck. If you swap the air lines, the trailer brakes
will lock up, burn out or ruin the tires.
So-o-o-o, make sure your trailer’s hooked up right!
It’s not so hard. Just remember the SERVICE air coupling on your truck is always
on the road side and the EMERGENCY is on the curb side.
Your best bet is to color-code the trailer air hose connectors and the truck’s glad-
hand couplings. A dab of blue paint on the SERVICE connectors and red on the
EMERGENCY pair will keep things straight.
oww!
I locked
up
two
miles
ago!
uh-oh!
looks like
I swapped
the brake
air lines.
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