PS Magazine - TB 43-PS-556
PS, The Preventative Maintenance Monthly
ISSUE 556
MARCH 1999
PS 556
57
MAR 99
PS 556
56
MAR 99
Entrenching Tool . . .
Tool fold easily?
pick
pm
!
it's the right
choice!
hey,
dude!
can
you
dig
where
we're coming
from?
that's
cool!
i can
dig it
!
u
u
u
u
u
our entrenching tool can dig
you out of some tight spots—if you
treat it right. That means using it
for cutting and digging only. Never
use it as a hammer or as a pry bar.
To keep it on the job, give it its
share of PM:
Clean it. Dirt, rust and grime will
dull the blade, and can make the
tool hard to fold.
Install the new insert like this:
1.
Remove the blade.
2.
Push the insert into the handle’s tube.
3.
Replace the blade.
If your entrenching tool needs any
more help than that, give it up and get
a new one. If you often give the tool
hard use, you may need the new mat-
tock, NSN 5120-01-363-3690. The
mattock is a hardened-steel cutting and
digging tool that works well in hard or
rocky terrain. It comes with its own
carrier.
Get a replacement handle for the mat-
tock with NSN 5120-01-369-5629. A
replacement carrier comes with NSN
5140-01-369-7255. Use CTA 50-900
as your ordering authority for the mat-
tock and its parts.
Keep it lubed. Use the same oil
you use on your weapon. Oil the
threads on the locking nut when you
come back from the field.
Don’t stand or jump on the
handle—you’ll just break the tool.
Check the locking nut. Make sure
it holds the blade tight. If you have
one of those antique tools with a
blade that can’t be removed, turn it
in and get a new one, NSN 5120-
00-878-5932.
Make sure the tube at the blade
hinge point is in good shape. If the
hole is worn, you need a new in-
sert, NSN 5120-01-279-6396.
Check locking nut and blade bolt
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