(The lesson covers
procedures later in the text.)
STE-L1/FVS test equipment.
You use the Simplified Test
Equipment-M1/Fight Vehicle System (STE-M1/FVS), known as the
STE set, to check and locate faults in the M1A1 hull and
STE consists of the following components:
vehicle test meter (VTM), controllable interface box (CIB),
SETCOM, various cable and adaptors, and transit cases for
Normally, you use STE at the organizational maintenance level
to check or troubleshoot the different tank hull and turret
systems. Using an alphanumeric character display, the SETCOM
supplies test status and operator instruction messages.
test set determines the test status and operator information
by comparing measurements taken on a system with data stored
in the computer memory. For additional information about the
STE, refer to TM 9-4910-751-14-1.
STE has two different modes of operation:
(1) automated or
(2) standard STE/ICE (single step).
In the automated mode,
you enter the test number from the fault isolation chart using
the SETCOM keyboard. The test appears on the SETCOM display
as you enter it. If you should enter the wrong number, press
the CLEAR key and enter the right number.
When you have
entered the complete test number, push the GO key to start the
automated test sequence.
You use the SINGLE STEP key to display a single test
Do not press this key unless the SETCOM
instructs you to do so in the test procedure.
SINGLE STEP key during certain test sequences causes the STE
to display faulty information on the SETCOM.
The STE program contains the self-test
troubleshooting tests listed in figure 1-15.
Preparing the STE for operation. The first step you perform
to prepare the STE for operation is the preventive maintenance
checks and services according to TM 9-4910-751-14-1.
The STE has an internal temperature sensing device that stops
test set operations outside the limits of 20F to 125F,
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