PS Magazine - TB 43-PS-579

PS, The Preventative Maintenance Monthly

ISSUE 579

FEBRUARY 2001
PS Magazine - TB 43-PS-579 - Page 25 of 33
Control panel lamps
--If any of the
lamp bulbs are burned out, you’ve lost
your warning and indicator lamps. That
could be dangerous to you and the M56.
So simply hit the LAMP TEST button.
If any lamps don’t light, replace them
with
the on-board spares, following the
procedure in Para 3-7 in TM 3-1040-
282-10. If lamps still don’t light, tell
your repairman.
Fog oil tanks
--The plastic tanks can
spring leaks and make an oily mess.
Oil in the channel between the tanks
means at least one tank is leaking. Tell
your repairman.
Control panel knobs
--If the knobs
are loose, they can pop off and then you
can’t adjust things. So feel the knobs for
looseness. If any are loose, tighten them
with the socket head screwdriver that’s
part of your tool kit.
Ground strap
--If the ground strap is
loose or corroded, you could have an
electrical hazard, plus the system won’t
run right. Tighten a loose ground strap
with your adjustable wrench. Your
repairman can rub out corrosion with a
mixture of baking soda and water and a
wire brush.
PS 579
FEB 01
44
moking your M56 smoke generator
is much easier if you light up with PM.
PMCS
Batteries
--The PMCS in TM 3-1040-
282-10 doesn’t mention the HMMWV
batteries, but that doesn’t mean you can
forget them. If the vehicle batteries are
dead, so is your ability to blow smoke.
Check fluid level
and clamps
Tighten knobs with
socket head screwdriver
Ground strap
loose or corroded?
Oil in channel?
Bulbs burned out?
At least monthly, check the elec-
trolyte level in all battery cells. Feel
clamps for looseness. Look for corro-
sion around terminals. Tell your mechan-
ic if you spot problems you can’t fix.
Control panel cables
--If any of the
three cables are loose, the control panel
has trouble controlling smoking, plus
the cable pins are more likely to get bent
if something hits the cable. Just feel the
cables for looseness and hand tighten
any loose ones.
M56 Smoke Generator.
..
PS 579
45
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