PS Magazine - TB 43-PS-617
PS, The Preventative Maintenance Monthly
ISSUE 617
APRIL 2004
Purpleheart is a hard wood, so you’ll need a carbide-tipped blade to cut it. Same
goes for drilling holes. Drill bits will need carbide tips.
Order purpleheart with NSN 5510-
01-454-8568. The unit of issue is board
feet (BF). Each board that you get will
measure 16 feet 4 inches long x 9 7/8
inches wide x 1 7/8 inches thick. So,
each board equals 27.21 BF.
The minimum order under this NSN
is 250 BF. You need 325 BF to com-
pletely re-deck one trailer. Here are the
boards you need to do the job:
HMMWV…
A
HMMWV's engine needs clean air, and lots of it, to run smoothly. So when the air
filter element gets clogged, the vehicle runs rough, uses more fuel and loses power.
You can help stop
clogged filter elements on
most
HMMWVs
by
adding a precleaner, NSN
2940-00-875-
9
5
7
4. The
precleaner catches dust
and other fine dirt parti-
cles that by-pass the orig-
inal air cleaner cap. But
the precleaner won't work
on the XM1114. It's 6.5-
liter turbocharged engine
won't run right on the
reduced airflow.
When the precleaner
gets dirty, remove its lid
and use a clean rag to
wipe out dust and dirt.
Make sure you get your commander's OK before ordering a precleaner.
Hood Reminder
With the precleaner in place, make sure you open and close the hood carefully.
The precleaner is bigger than the air cleaner cap it replaced. The hood will catch on
it going up or down.
So open the hood slowly and get a buddy to push the hood away from the pre-
cleaner. Reverse the process when you close the hood.
PS 617
APR 04
12
M870/M870A1 Semitrailers…
soldier,
it’s
time
for
you to…
but… but…
look at all
these holes!
what’s
your
job,
little
guy?
I help
the air
filter do
its job!
4
2
4
2
2
2
4
2
7 3/8
5
7 3/8
5 1/2
5 3/4
4 15/16
4 15/16
4 15/16
Number
of boards
Width
(inches)
Length
7 feet 1/2 inch
7 feet 1/2 inch
16 feet 3/8 inch
16 feet 3/8 inch
13 feet 7 inches
13 feet 7 inches
16 feet 3/8 inch
2 feet 9 inches
Remove
precleaner
lid by
unscrewing
wingnut
Use a clean
rag to wipe
out dust
and dirt
particles
that collect
inside
precleaner
T
he decking on your 40-ton semi-
trailer takes a lot of abuse from
the elements, not to mention what
happens when equipment is
loaded on it. Eventually the deck
boards rot or just break apart.
Keep
the
word
“Purpleheart” in mind
when it’s time to replace the
decking boards.
Purpleheart is a tropical wood
that’s stronger and more durable than
the boards you use now. It resists both
rotting and ultraviolet rays, and repels
water. It requires little or no maintenance.
Purple
617. 12-13 (C)
2/29/04
1:02 PM
Page 1
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