TM 1-1520-238-T-6
9–215
9–47.
EXTERNAL POWER AND GROUND SERVICE UTILITY RECEPTACLE –
9–47
MAINTENANCE OPERATIONAL CHECK (cont)
Task
Result
b. On pilot caution/warning panel (fig. 9–119),
check that GEN 1, GEN 2 and EXT PWR
indicators are lighted.
If lights are not lighted, go to paragraph 9–333 to
troubleshoot pilot caution/warning system.
If GEN 1 indicator is not lighted, replace lamp
(TM 55-1520-238-23). If lamp still does not light, go to
paragraph 9–12 to troubleshoot ac electrical power
generation.
If GEN 2 indicator is not lighted, replace lamp
(TM 55-1520-238-23). If lamp still does not light, go to
paragraph 9–12 to troubleshoot ac electrical power
generation.
If EXT PWR indicator is not lighted, replace lamp
(TM 55-1520-238-23). If lamp still does not light, go to
paragraph 9–50.
c. On pilot caution/warning panel, check that
RECT 1 and RECT 2 indicators are not
lighted.
If RECT 1 indicator is lighted, go to paragraph 9–23 to
troubleshoot dc electrical power generation.
If RECT 2 indicator is lighted, go to paragraph 9–23 to
troubleshoot dc electrical power generation.
If both indicators are lighted, go to paragraph 9–51.
M69-091A
GEN 1
INDICATOR
RECT 1
INDICATOR
GEN 2
INDICATOR
RECT 2
INDICATOR
EXT PWR
INDICATOR
Figure 9–119.
Pilot Caution/Warning Panel
