PS Magazine - TB 43-PS-623
PS, The Preventative Maintenance Monthly
ISSUE 623
OCTOBER 2004
T
he Azure Blue cannon cleaning kit can be used to clean
only
artillery tubes. That includes the M198 and
M119A1/A2 towed howitzers and M109-series SP how-
itzers.
Do not
use the kit to clean the crew compartment of
M109-series SP howitzers.
Do not
use the kit for any type
of cleaning on M1-series tanks or any mortar system.
PS 623
OCT 04
9
A-20 Personnel Heater…
C
rewmen, a light touch is important when
attaching the fuel line fitting to the A-20
personnel heater on your combat vehicle.
The fitting connects to the fuel manifold,
which cracks easily if you’re not careful.
That means a fuel leak and a fire hazard.
Operators aren’t allowed to remove the
cover, so you can’t see the damage. The
only way you’ll know there’s a problem is
after
the fuel starts leaking.
So go easy on the fuel line fitting. Sniff
with your nose or check with your finger
after connecting the fitting to make sure
there’s no leak.
PS 623
8
M113A3 FOV…
I
f the foot brake on your M113A3 sticks or won’t move at all, you’ve got a serious
problem—especially if you need to stop!
But it can happen if your mechanic doesn’t lube the foot brake cross-shaft bear-
ings regularly. A few squirts of GAA every 1,500 miles or semiannually will keep the
foot brake moving like it should.
8
MS-7692/D
Azure
Blue
Update
Manifold will crack if fitting is too tight
I crack
easily
,
y’know!
Just remember,
mechanics, there
are
two
lube
points on the
cross-shaft.
Don’t miss the one hidden behind the accelerator
pedal. And make sure you clean the grease fittings before
lubing to keep dirt out. Use cleaning solvent, NSN 6850-
01-277-0595. Order the solvent on a DD Form 1348-6 and
put “NSN not on AMDF” in the REMARKS block.
huh?
something
wrong?
the brakes
seem to be
stuck!
hope we
don’t need
to stop any-
time soon.
Lube cross-shaft
bearings here…
…and
behind here
hey!
take care
of my
fuel line
fitting!
623.08-09(C)
8/30/04
10:08 AM
Page 1
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