M2/M3 BFV: TROUBLESHOOTING - OD1610 - LESSON 2/TASK 1
is told to replace the electronic control assembly (ECA), following the
procedures on page 7-128 of TM 9-23502-252-20-2-2. After the ECA has been
replaced, SGT Cordoba repeats the entire troubleshooting procedure to ensure
that the malfunction has been corrected and that no additional malfunctions
Once this has been verified, SGT Cordoba stows all tools and
equipment and completes DA Form 2404.
COMMANDER'S PALM SWITCH.
(3) TOW MISSILE CAN BE FIRED WITH ARM-SAFE-RESET SWITCH IN SAFE. For
this malfunction, we will follow only those troubleshooting pathways that
lead us to the conclusion that the TOW control box is faulty.
Upon returning to the motor pool after lunch, SGT Rhodes finds a great
commotion going on.
It seems that while he was at lunch, one of the
company's M3 CFVs that had been participating in an LFX had inadvertently
fired a TOW missile while the ARM-RESET-SAFE switch was in the SAFE
Fortunately, no one was injured as the missile proceeded down
range and impacted in a deserted area.
SGT Rhodes finds that he has been selected by the motor sergeant to
troubleshoot this particular malfunction. First, he reads over the DA Form
2404 and talks with the crew to find out exactly what happened. After he
has an understanding of what was happening within the vehicle, SGT Rhodes