C8. TM 9-2350-230-12
TABLE 8-4. TROUBLESHOOTING - CONTINUED
Malfunction
Probable cause
Corrective action
MISSILE SUBSYSTEM -
Continued
120. 8. (System self-test)
c.
Tracker motor does not
c.
Listen for tracker motor
TRACKER lamp
run in system self-test
during system self-test,
glows at comple-
if tracker motor is not
tion of test. -
running. (See NOTE)
Continued
NOTE. If tracker motor
runs in tracker align but not
in system s elf-test, probable
cause may be signal data con
verter or tes t checkout panel
Replace tracker. Per-
form tracker alignment.
peat test.
If tracker does not start,
replace signal data con-
verter. Repeat test.
d.
Tracker defective
d. Replace tracker. Perform
tracker alignment. Refer
e.
Signal data converter
e. Replace signal data con-
defective
verter. Repeat test. If
problem is no t corrected,
request supporting main-
tenance.
120. 9. (System self-test)
a. Error lever not in right (up)
a.
Place error lever in right
SIG DATA CONV
position
(up) position. Repeat test
glows at com-
pletion of test
b.
Tracker not properly
b.
Perform tracker alignment.
aligned
NOTE. After performing
tracker align, reference the
missile reticle (observe on
telescope) one mil circle on
checksight source. With
align lever right (up) and
error lever left (down) place
error lever right(up) and
observe checksight source
move out of the one mil
circle of missile reticle.
The checksight source
should position itself approx.-
imately two mils northeast
from center of missile
reticle.
8-38.5