PS Magazine - TB 43-PS-669

PS, The Preventative Maintenance Monthly

ISSUE 669

AUGUST 2008
PS Magazine - TB 43-PS-669 - Page 10 of 33
16
AUG 08
17
PS 669
AUG 08
I
f the crane on your HEMTT wrecker won’t work, it could be due to a small star
washer that’s missing from the ground wire.
The washer, NSN 5310-00-935-8984, is shown on Page 14-13 of TM 9-2320-279-
20-2 for axle No. 4, but it’s shown in the wrong place.
M929A2 Brake Release Knob
W
hen vehicles get rear-ended, sometimes it’s because the driver didn’t see the
vehicle in front until it was too late. Give those drivers behind you all the help you
can by using refl
ective decals.
You’ll need your commander’s approval F
rst. Then you can apply refl
ective
decals—just like those you see on Army vehicles in Europe—to your over-the-road
vehicles.
These decals can help cut down the likelihood of rear-end collisions, especially in
dense fog or sandstorms. And they’re available in two sizes: 7
7
/
8
x 7
7
/
8
inches and
15
3
/
4
X 15
3
/
4
inches.
Order the smaller decal with NSN 9390-01-382-8308. Get the larger one with
Since these are peel-and-mount decals, make sure surfaces are clean before
applying the decals to your truck’s rear body or mud guard.
1.
Take off the nut and ground wire.
2.
Scrape a spot of paint, about the size of a
quarter, from around the bolt hole.
3.
Put on the star washer, followed by the ground
wire and then the nut.
4.
Torque the nut to 110 lb-ft.
5.
Spot paint any remaining bare metal with CARC.
Use NSN 5335-01-292-7833 to get the knob (and roll pin)
for the spring brake release control valve assembly on the
5-ton dump truck. Make a note until the knob is called out
separately in Fig 283 of TM 9-2320-272-24P-1.
M984E1 HEMTT Wrecker…
Missing Washer Kills Crane
Wheeled Vehicles…
Can You
See Me
Now?
Add
decals to
body…
…or mud
guard
the washer should be
located between the
ground wire and the
frame,
not
between the
ground wire and the nut.
if it’s
missing
or in the
wrong
place,
have your
mechanic
fix it like
this…
Washer
goes
between
ground
wire and
frame
I
don’t
get it!
why
won’t
your
crane
work?
I don’t
think it’s
grounded
right!
669.16-17.indd
1-2
7/7/08
6:08:47 PM
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