TM 1-1520-238-T-5
8–190
8–105. MISCELLANEOUS INSTRUMENTS – MAINTENANCE OPERATIONAL CHECK (cont)
8–105
Task
Result
h. On CPG INTR LT panel (fig. 8–56), turn
INST control to BRT.
If CPG clock edge–lighting does not light, go to
paragraph 8–108.
M68-073
INST CONTROL
Figure 8–56.
CPG INTR LT Panel
i. If CPG clock (fig. 8–54) is not running, wind
clock by turning knob on face of clock.
If CPG clock does not run after winding, replace clock
(TM 1-1520-238-23).
j. Set CPG clock time by pulling and turning
knob.
If CPG clock hour and minute hand will not move,
replace clock (TM 1-1520-238-23).
k. Push CPG clock knob three times.
If pushing knob first time on CPG clock does not reset
sweep hand and elapsed time hand (to top of clock
face), replace CPG clock (TM 1-1520-238-23).
If pushing knob second time on CPG clock does not
start hands moving, replace CPG clock
(TM 1-1520-238-23).
If pushing knob third time on CPG clock does not stop
hands from moving, replace CPG clock
(TM 1-1520-238-23).
l. On CPG INTR LT panel turn INST control to
OFF.
3. Remove external power – electrical (TM 1-1520-238-23).
END OF TASK
