TM 9-2350-230-12
Malfunction
Probable cause
Corrective action
TURRENT ELECTRIC
CONTROL - Continued
92. Gun-launcher drives
a. Poor electrical connection
a. Check and tighten connec-
against elevation or
tions.
b. Notify support maintenance.
depression stops
b. Elevation or depression
limit switches incorrectly
adjusted.
93. No override when
Defective override function
Perform test set procedure
commander's palm
(table 10-3).
switch is depressed.
94. Excessive drift
System out of balance
Perform test set procedure
(table 10-3).
and/or elevation.
95. STAB light does not
Perform test set procedure
illuminate
(table 10-3).
NOTE. Light does
not light in Missile
mode.
96. In STAB mode, gun/
Perform test set procedure
turret has exces-
sive overshoot
(table 10-3).
under control of
control handle.
a. Remove obstruction.
97. Traverse and/or
a. Excessive load due to
elevation servo
obstruction.
motor ovetor or
b. Replace servo motor (fig.
during operation
fan.-
a. Clean exterior of screens.
a. Dirty screens restrict air
overheats during
flow
operation
b. Replace servo motor (fig.
b. Defective servo motor
10-11).
TURRET TRAVERSING
MECHANISM
a. Notify support maintenance.
99. Excessive effort
a. Contaminated lubricant on
required to man-
turret race ring.
b. Locate and remove obstruc-
ually traverse
b. Obstruction (internal or
turret
external)
tion.
c. Notify support maintenance.
c. Defective manual drive
mechanism.
d. Notify support maintenance.
d. Defective traversing
mechanism.
8-34