PS Magazine - TB 43-PS-669

PS, The Preventative Maintenance Monthly

ISSUE 669

AUGUST 2008
PS Magazine - TB 43-PS-669 - Page 9 of 33
15
PS 669
AUG 08
14
PS 669
AUG 08
Problems in the feld led TACOM
LCMC to develop a new rear condenser.
It allows For more clearance and has a
beeFed-up closeout panel. That should
curb damage.
The original rear condensers, NSN
4130-01-537-4847 and NSN 4130-
01-536-5561, are no longer available.
But you can get the new condensers,
closeout panel and related hardware
in new upgrade kits that the truck
headshed assembled.
Using the bigger flter should fx the
problem oF clogging, which stops you
in your tracks. NSN 4930-01-387-1147
brings the bigger and better in-line Fuel
flter kit.
So get your unit mechanic to make
the initial changeover on the vehicle.
Instructions come with the kit.
By the way, this is the same flter
that is used on older M939s. The flter
element alone comes with NSN 2910-
00-152-2033.
Dear Editor,
Our unit uses the old-style inner geared hub seal, NSN 5330-01-180-
9099, on our HMMWVs. They work well enough, but we’ve found that
another geared hub seal, NSN 5330-01-456-3884, lasts longer. It costs
more, but it’s worth it for us in the long run.
SFC Warren Cruz
Ft Sill, OK
Editor’s note:
Your HMMWV parts manuals don’t list the longer-lasting geared hub
seal. If your chain of command doesn’t mind paying more, the new seal may pay off
for your unit. Thanks for the tip, Sergeant.
Longer Lasting Geared Hub Seal
Out with the
Old Rear Condensers
HMMWVs…
Longer Lasting Geared Hub Seal
M939A2-Series Trucks…
In-Line
Fuel
Filter
Fix
Replace this flter
with a bigger one
Filter element
alone comes with
don’t call
a
plumber
if your
m939a2’s
small
in-line fuel
filter gets
clogged!
order a
bigger
filter
instead.
seen damage on the
rear air conditioner
condensers on your m1151,
m1152, and m1165 basic and
-a1 up-armored hmmwvs?
wish you
had more
clearance in
that area?
you’re
not
alone.
and make
a note of
this in the
tm until
it gets
updated.
New rear condenser allows ±or more
clearance and has bee±ed-up panel
Order the
left-hand rear
condenser
kit using NSN
2540-01-558-
3448, and the
right-hand rear
condenser kit
using NSN 2540-
01-558-3450.
Up-Armored
HMMWVs…
669.14-15.indd
1-2
6/29/08
4:45:42 PM
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