PS Magazine - TB 43-PS-588
PS, The Preventative Maintenance Monthly
ISSUE 588
NOVEMBER 2001
PS 588
NOV 01
49
M17-Series Decon.
..
Dear Editor,
If water isn't running through the
M17 decon's water pump, the pump
can burn up after just a few minutes
and and the pump's belts can be
shredded. And just because you
have the suction hose in the water
doesn't always mean water is being
drawn through the pump.
So make sure that water is com-
ing out of the pump's outlet and
there is at least 90 psi water
pressure with the wands attached.
If it's not, move the suction hose up
and down in the water and make
sure the engine is turned up to the
max. That often gets the suction
hose to suck up water. Also make
sure the water source is no more
than 9 feet below the pump intake.
If that doesn't do the trick,
check the water inlet intake and
strainer for trash. Still no luck?
Shut down the M17 immediately and
tell your repairman.
SGT Patrick Forst
US Army Chemical School
Ft Leonard Wood, MO
PS 588
NOV 01
48
M56 Smoke Generator.
..
Hot Advice for Smoking
T
est the four cannon plugs in the
engine compartment for looseness. A
loose plug causes a poor electrical
connection, which makes it difficult
for the M56 to start or to smoke once
it starts. Just hand-tighten a loose
cannon plug's connector ring.
If nothing happens when you try to start your
M56, check the GEN PWR switch. It should be
ON. If the switch is in the correct position, make
sure the three circuit breakers are pushed in. No
change? Do the troubleshooting in Table 3-1 in
TM 3-1040-282-10.
Cannon
plugs
tight?
GEN PWR
switch on?
Water not going through pump?
Try dipping hose up and down
Check intake and
strainer for trash
uh-oh!
there goes
my
water
pump!
Don’t these
guys know
a water pump
needs
water?
ahh…! a good
smoke and a cup of
joe
-what a way to
start the day!
3-way
valve
off?
If you spot fog oil leaking out
of the dispersion cone during
before-operation PMCS, make
sure the fog oil 3-way valve
wasn't left on last time the M56
was run.
strainer
intake
Smoking can
be good for
your M56 smoke
generator…
…if you
remember
a
few checks at
light up time.
588. 48-49 (C)
9/30/01
5:24 PM
Page 1
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