TM 1-1520-238-T-5
8–48
8–10.
ENGINE INSTRUMENTS – MAINTENANCE OPERATIONAL CHECK (cont)
8–10
Task
Result
(Step f. cont)
If pilot FUEL quantity indicator vertical scale
indicators have every other lamp not lighted, go to
paragraph 8–20.
If pilot NG RPM% indicator (fig. 8–33) does not show
digital readouts, go to paragraph 8–21.
If pilot NG RPM% indicator vertical scale indicators
have every other lamp not lighted, go to
paragraph 8–21.
If pilot NG RPM% indicator does not indicate full scale
or show digital 888, go to paragraph 8–21.
If pilot ENG–RTR RPM% indicator (fig. 8–33) vertical
scale indicators have every other lamp not lighted, go
to paragraph 8–22.
If pilot ENG–RTR RPM% indicator does not indicate
full scale, go to paragraph 8–22.
If pilot ENG OIL indicator (fig. 8–34) vertical scale
indicators have every other lamp not lighted, go to
paragraph 8–23.
If pilot ENG OIL indicator does not indicate full scale,
go to paragraph 8–23.
g. On pilot dim/test panel (fig. 8–32), set DGT
OFF/NORM/TST switch to DGT OFF. Check
TGT, TORQUE, FUEL quantity, and NG
RPM% indicator (fig. 8–33) digital readouts.
If pilot TGT, TORQUE, FUEL quantity, and NG RPM%
indicator digital readouts are not blanked out, go to
paragraph 8–24.
If pilot TGT indicator digital readouts are not blanked
out, go to paragraph 8–25.
If pilot TORQUE indicator digital readouts are not
blanked out, go to paragraph 8–26.
If pilot FUEL quantity indicator digital readouts are not
blanked out, go to paragraph 8–27.
If pilot NG RPM% indicator digital readouts are not
blanked out, go to paragraph 8–28.
