PS Magazine - TB 43-PS-587
PS, The Preventative Maintenance Monthly
ISSUE 587
OCTOBER 2001
S
ince brake shoe assembly, NSN 2530-00- 678-6133, is no longer available for
M172A1 semitrailers, you might want to reuse the bare metal shoe with new linings.
That’s because a new bare shoe, NSN 2530-00-378-9036, costs more than $280.
So get together with your direct support folks since it’s their job to remove the
old linings and add new ones. They’ll use the following parts on each wheel:
PS 587
OCT 01
7
M172A1 Semitrailers.
..
PS 587
OCT 01
6
T
he correct procedures for towing M998A2-series trucks without winches with
HEMTT wreckers are just a little different from those shown in TM 9-2320-279-10-2.
The towing procedures in the -10-2 TM don’t take into consideration that towing
eyes on A2-series trucks without winches are closer together than towing eyes on
other HMMWVs.
So the HEMTT wrecker’s tow
adapters need to be moved clos-
er together, too. Just follow the
towing procedures found in Para
2-83 until you get to Step 12.1.
Then, instead of installing
two
5-in
spacers
on
the
crosstube before adding the
front tow adapters, install the
tow adapters on the crosstube
first. Then install the spacers.
Remember, too, to keep the
HEMTT wrecker’s speed down
to the limits shown in Table 1-4
in the -10-2. Safety chains are
attached to a HMMWV’s A-
frame during the tow and
exceeding the speed limits will
damage the A-frame.
NSN
Item
Friction lining (4)
Wear plate screw (8)
Wear plate (4)
Hex nut (16)
Lock washer (16)
Bearing sleeve (4)
Machine screw (16)
If you need a new brake drum, use NSN
The NSN is missing
from Item 19 of Fig 16 in TM 9-2330-
211-14&P.
You can’t get entire assembly, so have
DS order parts and re-line old shoes
[phew]
I think
it’s time for
us to be
replaced!
Nah! we
just need
some
new
linings!
Regular HMMWV setup
Spacer first…
…tow
adapter
second
…spacer
second
Tow
adapter
first…
A2-series HMMWV setup
HEMTT Wreckers…
587. 06-07 (C)
9/3/01
6:43 PM
Page 1
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