the TM gives between blocks 1 and 3 and we repeat below. (Remember
Therefore, when you come to point where you can identify and correct
the fault, we will continue to troubleshoot the remaining components
until you have performed all the fault isolation procedures for
BEFORE PIVOTING THE TANK, MAKE SURE YOU HAVE
CLEARED THE SURROUNDING AREA TO PREVENT INJURY TO
PERSONNEL OR DAMAGE TO THE EQUIPMENT.
Block 3 contains instructions, with a reference to a TM,
for you to follow, and then asks the question, "Does the tank pivot?"
Once you complete the tasks required in block 3, answer the question.
At this time, the tank does not pivot correctly when tested.
Following the NO flow line of the chart takes you to block 66.
Block 66 provides you with specific instructions,
referenced to TM 9-2350-264-10, for ensuring the crew has connected
the final drives correctly. After you have completed the inspection,
you answer the question asked at the bottom of block 66, "Are the
final drives connected?" If you found the final drives connected
correctly, you follow the YES flow line of the chart to block 67,
which directs you to notify support maintenance because you have
found a faulty powerpack.
If you found the final drives connected
incorrectly, you follow the NO flow line-of the chart to block 68,
which directs you to connect the final drives properly and verify you
have solved the problem.
At this point in the troubleshooting process, you have determined two
possible causes of the transmission fault, the final drives or
If either of these components were the only fault, you
would have solved the problem.
However, for the purpose of instruction, the problem is more
Go back to block 3 and continue troubleshooting the
transmission. This time, when you followed the instructions given in
block 3, the tank pivots, and you must follow the YES flow line of
the fault isolation chart to block 5.
Block 5. Block 5 also gives instructions, with a reference to a TM,
that you must complete. Additionally, this block lists the