PS Magazine - TB 43-PS-691
PS, The Preventative Maintenance Monthly
ISSUE 691
JUNE 2010
8
PS 691
JUN 10
9
PS 691
JUN 10
M
echanics, when it’s time to remove the powerpack in a Paladin or ammo carrier,
you want to get the job done right and quickly. So when something slows you down,
your frustration level goes up a notch or two.
A good example is the hardware for the bottom hinge on the left engine access
door, NSN 5342-01-083-5671. Fig 175 of TM 9-2350-314-24P-1 (Feb 99, w/Ch 4,
Jan 09) and the M992A2’s IETM show the screw placed so the flat washer and self-
locking nut are facing the front end of the vehicle.
Problem is, the nut sticks out far enough to interfere with removing one of the
engine deck bolts. You have to remove the hardware to get to the deck bolt, then put
it all back again when you’re ±nished.
Make this time the last
time. When you put the
hinge hardware back in
place,
insert
the
screw
from the bottom. That lets
you place the washer and
nut on the high side of the
hinge and away from the
deck bolt.
D
aily lubing of the saddle bearing surfaces on your M119A2 howitzer is wasted
effort if you don’t clean them properly ±rst, operators.
It’s easy to remember to clean the bottom surfaces. They face up, so they’re in plain
sight. It’s the top surfaces—the ones that face down—that are usually forgotten.
Dirt, sand and oil collect there, too. If you don’t clean it off, the combination acts
like sandpaper. Soon, those smooth metal surfaces are scratched, pitted and covered
with corrosion. Your howitzer is NMC.
Use a clean cloth to wipe off all of the surfaces. You’ll have to get down on your
hands and knees to make sure the top surfaces are clean.
When the gunk is gone, cover all the surfaces—top and bottom—with a light coat
of CLP, NSN 9150-01-054-6453.
M109A6 Paladin, M992A2 Ammo Carrier…
Run Interference for Deck Bolt
M119A2 Towed
Howitzer…
Cleaning
First
Prevents
s
addle
s
ores
Reversed hardware no longer
interferes with deck bolt
Clean top surfaces…
…and bottom surfaces
before lubing with CLP
looks like
we’re going to
have to pull
the powerpack!
it’s a good
thing you
reversed the
hardware on my
engine access
door hinge the
last
time!
otherwise,
this
time
you’d have a
hard time
pulling my
pack!
tarnation!
saddle
sores tain’t nothin’
you wanna deal with
691.08-09.indd
1-2
5/3/10
2:13:59 PM
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