PS Magazine - TB 43-PS-615

PS, The Preventative Maintenance Monthly

ISSUE 615

FEBRUARY 2004
PS Magazine - TB 43-PS-615 - Page 31 of 33
U
se a rope lock,
NSN 4030-01-477- 0524,
to keep a tent rope,
loose gear, flight line or
canvas cover snug. The
rope lock doesn’t need
continual adjustments
once it’s secured or fas-
tened in place. This
NSN gets a package of
12 rope locks.
PS 615
FEB 04
59
Rope Lock NSN
PS 615
FEB 04
58
The convective space heater, NSN 4520-01-431-8927, efficiently heats your mod-
ular command post shelter (MCPS) as long as there’s a free flow of air. The heater
draws cold air from the shelter through the air supply duct. The air’s forced through
the heat exchanger, where it’s heated. The warm air then passes through the air return
duct and into the shelter.
There’s only one problem: The ear-
liest versions of the MCPS were
fielded without air duct openings.
Without them, you have to insert both
the supply and return ducts under the
shelter wall. The weight of the wall
squeezes the ducts and cuts down the
airflow. Less air causes the heater to
overheat or to constantly cycle on and
off. As a result, carbon builds up in
the burner. In the end, you have to
clean the burner more often.
Avoid overheating, cycling, carbon
buildup and extra cleaning. If your
MCPS doesn’t have air duct open-
ings, install the tent wall modification
kit, NSN 4520-01-493-3215. The kit
allows you to cut openings in the
shelter wall and to add a sleeve to seal
around the ducts. Attaching the sup-
ply and return ducts to the openings
lets air flow freely through the space
heater.
You can still use your space heater
while you’re waiting for the kit to
arrive. Just make sure you prop up the
shelter wall so it doesn’t squeeze the
supply and return ducts and restrict
airflow.
Tent Mod Kit Lets Air Flow
Air duct under shelter wall cuts down airflow
Cut duct openings in shelter wall…
…then supply and return
ducts let air flow freely
You’ll find
complete
instructions
for installing
the kit in
work package
0005 of
TM 10-4520-
262-12&P.
air flow
is the
key
to good
heating!
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