M2/M3 BFV:
STEERING SYSTEM - OD1605 - LESSON 1/TASK 1
possible cause of the trouble. It would be confusing and impractical
to attempt to describe all the troubleshooting pathways. Therefore,
this subcourse will deal with only a few of the major pathways that
develop in this steering system troubleshooting task.
b.
Before beginning a troubleshooting
task, it is important to have on hand the tools and parts required
and to make sure the vehicle is properly set up for the task at hand.
For this troubleshooting task, the vehicle engine should be stopped,
the turret should be shut down, and the FIRE SUPPRESSION switch
should be in the MANUAL position.
The general mechanic's tool kit
(automotive), woodruff key, cotter pin, two self-locking nuts, and
the STE-M1/FVS (VTM only) test set will be needed to perform this
task.
When actually performing the step-by-step procedures on the
vehicle, a helper may be needed, depending on the test results
obtained.
c.
Troubleshooting.
To
provide
a
better
explanation
of
troubleshooting the steering system, the following information is
going to furnish two situations in which a unit mechanic, named SGT
Fields, is performing steering system troubleshooting procedures on
the Bradley fighting vehicle.
(1) Situation #1.
The motor sergeant has given SGT Fields the
responsibility of troubleshooting a disabled Bradley fighting vehicle
that has been reported to have steering system malfunctions.
SGT
Fields performs a test operation and finds that the vehicle veers to
the
right
with
the
steering
yoke
centered
concluding
that
troubleshooting of the steering system must be done.
In order to perform troubleshooting on the disabled vehicle, SGT
Fields must first obtain the appropriate manual, which in this case
is TM 9-2350-252-20-1-1. Once he has obtained this manual, he finds
the troubleshooting index on page 3-15 and locates the page,
3-534.12, for steering system troubleshooting. Before beginning the
troubleshooting
procedure,
he
must
prepare
the
vehicle
for
troubleshooting by performing an initial setup.
To execute an initial setup, SGT Fields
must
first
obtain
the
appropriate tools, materials, parts, and
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