PS Magazine - TB 43-PS-616
PS, The Preventative Maintenance Monthly
ISSUE 616
MARCH 2004
I
f the doors for your Bradley's integrated sight unit (ISU) swing open too far, you
could be headed out the door when it comes to the ISU.
A left door that opens too far hangs up on the TOW launcher and a right door with
the same problem catches on the secondary sight when the M242 gun is raised.
Soon the ISU doors are bent and can't be opened from inside the Bradley.
If the ISU doors don't stop where they're
supposed to, the problem is either missing or
incorrectly installed doorstops or catches.
They're removed when the door cables are
adjusted and sometimes repairmen forget to
put them back on or put them on wrong.
During your WEEKLY PMCS, make sure
the ISU doors don't swing all the way open.
If they do, tell your repairman.
PS 616
MAR 04
7
M88A1 Recovery Vehicle…
M
echanics, when reinstalling the
M88A1 recovery vehicle’s powerpack,
you have to align the splines on the
final drives with the teeth on the trans-
mission output shaft.
Unless you’re extremely lucky, the
splines and teeth won’t line up exactly.
That means you’re going to have a
devil of a time getting them together.
Some mechanics try using a screw-
driver to wedge the two together. But
usually that just ends up damaging the
splines and teeth.
The solution is behind the output
shaft access plug. If you remove the
plug, you’ll find a screw that turns the
shaft. Just use a flat-tipped screwdriv-
er to turn the screw until the shaft teeth
line up with the final drive.
PS 616
MAR 04
Remove
access
plug…
…and turn
screw to
align shaft
I’m feeling
lucky
today!
how about
installing my
powerpack?
it’ll take
more
than luck to get
your final drive
and transmission
output shaft
aligned!
PS 616
MAR 04
6
M2/M3-Series Bradley…
your repairman
can get a doorstop
for the
right
door
with NSN
and a catch
for the
left
door
with NSN
5340-01-313-4
7
81.
please
stop
my doorstop
problem!
Without stop, door snags
on secondary sight
Stops
Stop
Swinging ISU Doors
Get Splines and Teeth
in Line
help!
616. 06-07 (C)
1/23/04
1:27 PM
Page 1
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