PS Magazine - TB 43-PS-563
PS, The Preventative Maintenance Monthly
ISSUE 563
OCTOBER 1999
PS 563
46
OCT 99
Fox NBC Vehicle . . .
Towing Procedures
If your Fox must be towed, do
not
disconnect the main drive shaft. If you
disconnect the shaft, it turns during
towing and tears up the transmission
and main flange of the drive shaft.
See Procedure APG-Fox-10-O-230
in the -10 for the towing procedure.
your fox is gonna
start
stumbling
down the
road instead of
scampering
if you
forget
these
two
basic pm rules
...
i don't
feel so
hot
.
Bleed Air Tanks
Bleed the air tanks after every op-
eration. Bleeding is part of the after-
operation PMCS in TM 3-6665-339-
10 (Sep 98).
The air tanks have alcohol reservoirs
that keep moisture in the air tanks from
freezing. But if too much moisture
builds up, it dilutes the alcohol and
keeps it from doing its job. Then mois-
ture can freeze in the brake lines.
You will need to remove the access
cover to the air tanks to get at the three
bleed points. See Step 74 in Procedure
APG-Fox-10-M-001 in the -10 for the
bleeding procedure. Note the warning.
If you don’t do it right, alcohol can
spray out.
M40-Series Masks . . .
dunk
yer masks
in
3 tubs
,
bub!
rub-
a-dub-
dub!
Dear Editor,
When a unit comes back from the field, M40 masks usually need to
be cleaned.
Instead of leaving it up to the soldier to clean his mask on his own,
I’ve found it’s faster and more efficient to create a cleaning assembly line.
I fill one 5-gal bucket, NSN 7240-01-094-4305, with warm, soapy
water and another with clear water. If the masks need to be sanitized,
I fill a third bucket with five gallons of water mixed with 2
1
/
2
teaspoons
of calcium hypochlorite, NSN 6810-00-242-4770.
After everyone has removed the canister, hood, outserts, and outlet
valve cover from his mask, I have each soldier first clean his mask in the
soapy water with a nylon brush or cheesecloth, then rinse it in the clear
water and, if the mask needs sanitizing, rinse it in the water-hypochlorite
mixture. Finally, each mask is wiped dry with cheesecloth.
I put out a stack of dry, clean cheesecloth at the end of the line.
You may need to refill the buckets with clean water and additives if
masks are particularly dirty or you’re cleaning a large number of masks.
SPC Allen Simmons
HHD, 108th ADA
Ft Bliss, TX
Remove access cover to bleed valves
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