PS Magazine - TB 43-PS-636

PS, The Preventative Maintenance Monthly

ISSUE 636

NOVEMBER 2005
PS Magazine - TB 43-PS-636 - Page 6 of 33
PS 636
NOV 05
9
M109A6 Paladin…
W
hen it’s cold outside, you have to button up your Paladin tight to stay warm. But
that can put you at risk of carbon monoxide poisoning.
Carbon monoxide comes from the exhaust of personnel heaters, the engine, and
from firing the main gun. If you don’t vent the vapors, the carbon monoxide will
increase until the levels become deadly.
Your best protection is awareness and ventilation. Follow these basic tips to
ensure proper ventilation:
•
Do your PMCS on time. That’s the only way to make sure ventilation systems and
blowers are working properly.
•
Never operate the personnel heater in an enclosed area unless it is adequately
vented.
•
Do not idle the engine for long periods unless you’re sure the personnel com-
partment is ventilated.
•
Do not drive your Paladin with the inspection plates, cover plates or engine com-
partment doors removed unless it’s necessary for maintenance.
•
Be alert at all times for the symptoms of carbon monoxide poisoning: headaches,
dizziness, loss of muscular control, and drowsiness. If you experience these symp-
toms, get out of the vehicle, stay warm and avoid physical exertion while waiting
for medical attention.
PS 636
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N
OV 05
8
Personnel Heaters…
D
on’t be confused about who can repair what on the
A-20 personnel heater. Here’s the straight scoop:
Unit-level maintenance:
Limited to replacement
of ignitors and removal and replacement of the entire
heater.
DS/GS-level maintenance:
All troubleshooting
and repair with the exception of vent sensor and heat
exchanger replacement, which are a depot-level jobs.
Keep in mind that this heater has sensitive elec-
tronics on board, mechanics.
You must be grounded
when working on the heater.
Before doing any welding on the vehicle, all elec-
trical connections should be disconnected from the
heater. The heater should not be between the ground-
ing area and the welding area. If it is, remove the
heater.
TM 9-2540-207-14&P covers all heater trou-
bleshooting and repair procedures.
M992A2 Ammo Carrier…
T
hough they have the same NSN and model number, there are now two different con-
figurations of the M992A2 ammo carrier. So you’ll want to make sure you use the right
TM for your vehicle.
The change comes with the addition of MWO 9-2350-293-30-3, which added the fol-
lowing upgrades:
•
10-KW Up-powered Auxiliary Power Unit (APU).
This APU increases the power
capability from the old 5-KW generator in order to support both the M992A2’s and
M109A6 Paladin’s electrical loads.
•
Modular Artillery Charges System (MACS).
It integrates the stowage and transfer
requirements for the M231 & M232 MACS into the M992A2.
•
Chlorofluorocarbon (CFC) elimination.
It exchanges FM-200 for the current Halon
system used in the M992A2’s engine compartment.
Unmodified carriers will continue to use the 9-2350-293-series IETM. Modified carriers
will switch to IETM 9-2350-372-14&P. You should receive a copy of the IETM when your
carrier is upgraded.
Questions? Contact TACOM’s Fern Stebbeds at DSN 786-2456 or (586) 753-2456. Or
email her:
stebbedf@tacom.army.mil
darn!
I
almost had
them!
Make the TM Switch
The
Straight
Scoop
636.08-09(C).qxd
9/26/05
3:28 PM
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