M2/M3 BRADLEY FIGHTING VEHICLE: TURRET - OD1609 LESSON 3/TASK 3
performed again to see if the symptom has been corrected. This should be continued
until a NO FAULTS FOUND condition exists.
When a NO FAULTS FOUND message is
displayed on the SETCOM during a repeat test, and the symptom has been corrected,
perform the follow-on procedures.
Test 2640 (TOW Elevation)
Test 2640 checks manual and power mode of TOW full elevation and depression,
commander's override, TOW reticle follows launcher, and TOW deck clearance. This
test begins with a STE hookup and self-test, continues with a cable check and cable
connections inspection, and finishes with a repeat of the test to ensure a NO
FAULTS FOUND condition.
During the test procedure, the STE set communicator
(SETCOM) may display instructions referring to one of
several indexes. The contents of these indexes will not be
reproduced in this subcourse.
Instead, reference will be
made to the technical manual in which the index can be
found, when needed.
During the test procedure, several pathways develop,
depending on the results obtained for individual tests
Not all pathways will be covered in this
subcourse. One typical pathway will be used as an example.
When actually performing the test on the vehicle, be sure
to have TM 9-2350-252-20-2-1 on hand and respond to the
actual test results observed during testing.
Preparing for Test 2640.
Before beginning to run test 2640 on the TOW
elevation, make sure that the 25mm gun is in SEAR position, the engine is stopped,
the turret is shut down, and the weapons are unloaded and safe. Then perform these
Hook up the STE-M1/FVS test set to the diagnostic panel.
Perform the STE self-test.