PS Magazine - TB 43-PS-616

PS, The Preventative Maintenance Monthly

ISSUE 616

MARCH 2004
PS Magazine - TB 43-PS-616 - Page 11 of 33
PS 616
MAR 04
19
HMMWVs…
Radiator Testing Kit
ST255 and SVT262 radiator testing kits are great for testing the cooling system on
your vehicle—except when your vehicle happens to be a 2 1/2-ton or larger truck.
The tester head in both kits won’t fit on the radiator neck in those trucks, so use
the adapter kit that comes with NSN 4910-01-447-5586.
PS 616
MAR 04
18
M978 HEMTT Fuel Tanker…
Spring Height Check
Spring Height Check
Dear MSG Half-Mast,
Is there a torque requirement for the front fuel tank springs on the M978
HEMTT fuel tanker? These springs hold the fuel tank to the vehicle’s frame.
SGT T.M.
Dear SGT T.M.,
There is no torque requirement for the front fuel tank springs.
However, take a look at Page 2-46 of Change 2 in TM 9-2320-279-20-1 (Apr 93).
It has the lowdown on a height check for the springs.
But before you check the spring’s height, tap the bottom of the spring bolt to make
sure it’s seated properly.
The height of the top portion of the
spring should be between 3 1/2 to 3
3/4 inches. The bottom portion should
measure no less than 3 1/2 inches.
Also, make sure the spring’s rubber
mount measures at least 3/4 inch.
Have your mechanic replace a
wornout spring. Never try to shim a
short spring with washers.
Camouflage Storage Rack
only
m109
7
-series
can handle
the rack!
I SAiD
TORQUE
REQUiREMENTS.
..
NOT FORK
REQUiREMENTS!!!
31/2" -
3 3/4"
No less
than 3 1/2"
Rubber mount
at least 3/4 inch?
Dear Half-Mast,
I need information on the HMMWV’s camouflage storage rack that’s
shown as CAGE 19207 and PN 57K1641 in Figure 440 of TM 9-
2320-280-24P-2.
Can the rack be used on all series HMMWVs? The parts info does not
cross to an NSN in FED LOG. Is there an NSN for the storage rack?
SSG C. L.
Ft Riley
Dear Sergeant C.L.,
The camouflage storage rack (PN 57K1641) is designed specifically for the
heavy M1097-series HMMWVs equipped with either the howitzer prime mover
(HPM) or towed Vulcan system (KTV) kits. The camouflage rack kit was not made
for HMMWVs without the HPM or KTV kits. The M998-, M1038- and M1037-
series HMMWVs are easy to overload. The addition of the camouflage rack would
overload them, so an NSN is not available.
616. 18-19 (C)
1/22/04
4:36 PM
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