PS Magazine - TB 43-PS-597
PS, The Preventative Maintenance Monthly
ISSUE 597
AUGUST 2002
Get the ECU/PPU serviced every 250 hours of operation by your direct support.
If you don’t,
the
ECU/PPU will have a
much shorter life. Just
check the HOURS meter
on the side of the
ECU/PPU to see when
the next service is due.
Check the ECU/PPU mounts monthly for sagging.
Its rubber mounts
wear out and let the
ECU/PPU sag. If it
sags too much, it can be
hit by the fender when
the Avenger rotates and
be damaged.
Measure the distance
from the bottom of the
ECU/PPU to the fender
on both sides. If the
distances are more than
an inch different, report
it. The mounts need to
be replaced.
PS 597
AUG 02
19
If your Avenger’s
environmental control
unit
/
primary power unit
-ECU/PPU-has trouble
doing its job,
you’ll
have
trouble breathing and
staying cool.
I’m
burning
up
in
there.
Prevent those
troubles by taking
the trouble to
follow this
advice…
Check the ECU/PPU’s oil daily in the field.
Its engine often doesn’t have a
heavy enough load. That leads to
wetstacking where oil is thrown
into the exhaust system. The
ECU/PPU looks like it’s leaking
oil, but it isn’t. The only thing
you can do is replace the lost oil
before you crank up the Avenger.
Check HOUR
meter to see
when next
service is due
Check oil
daily in field
Check
mounts for
sagging
Measure
distance
from
ECU/PPU
to fender
You'll
breathe
easier
with
ECU/PPU PM!
Avenger Missile System…
PS 597
AUG 02
18
597. 18-19 (C)
6/21/02
5:18 PM
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