PS Magazine - TB 43-PS-703

PS, The Preventative Maintenance Monthly

ISSUE 703

JUNE 2011
PS Magazine - TB 43-PS-703 - Page 10 of 32
17
PS 703
JUN 11
Launcher
Dangling cables are one of the
most lethal threats for the launcher.
When cables aren’t secured, they
snag and are ripped out when the
launcher
traverses.
One
Patriot
unit’s launcher J box and its cables
and wiring harness were destroyed
because
the
cables
weren’t
tied
back.
Total
bill:
$491,032.
How would you like to tell your
commander that?
ECU on ECS, ICC, CRG
One Patriot unit had an ECU
catch Fre when they switched it
from A/C to heat. Investigation
revealed
the
probable
cause
was a loose lug connector on
the heating element. So before
you switch any of your ECUs
to
heat,
Frst
make
sure
all
the connectors to the heating
element are tight.
To help you secure the cables, you can now order launcher cable clamp assemblies
Preventing Launcher,
ECU Damage
Patriot Missile System…
Preventing Launcher,
ECU Damage
lack of attention to
cables and connectors
can cause thousands
of dollars of
damage
to the patriot launcher
and the environmental
control unit (ecu).
but just a little
attention can keep
the launcher and
the ecu safe.
Rear of
launcher
Curbside
View
Roadside
View
follow these
three diagrams for
securing the cables
and you’ll never need
to worry about that
happening again…
Check ECU heating element connectors for looseness
Dangling cables
can leave your
launcher J box
looking like this
Strap
W54
W42
W40
W3
W43 W55
W1
W2
W54
W42
W40
W52
W53
Strap
Straps
Straps
Straps
Support clamps
Support clamps
Support clamps
W52
W40
W1
W2
A
Strap
C
G
H
K
J
I
F
W3
W55 W41
W53
W43
W41
W4
703.16-17.indd
1-2
5/13/11
1:43 PM
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