TM 1-1520-238-T-5
8–53
8–10.
ENGINE INSTRUMENTS – MAINTENANCE OPERATIONAL CHECK (cont)
8–10
Task
Result
(Step t. cont)
If CPG SDD panel NG% RPM digital readouts do not
indicate within .5% when NG RPM% indicator lights,
go to paragraph 8–50.
If CPG SDD panel FUEL QTY LBX10 digital readouts
do not indicate existing fuel 20 pounds when FUEL
quantity indicator lights, go to paragraph 8–51.
If CPG SDD panel ENG OIL digital readouts do not
indicate 0 to 5 pounds pressure when ENG OIL
indicator lights, go to paragraph 8–52.
If CPG TORQUE indicator vertical scale indicators
and digital readouts do not indicate 0 to 2%, go to
paragraph 8–53.
If CPG ENG–RTR RPM% indicator vertical scale
indicators do not indicate 0%, go to paragraph 8–54.
u. On CPG SDD panel (fig. 8–35), rotate
SELECT switch to OFF.
M68-065
INST CONTROL
Figure 8–36.
CPG INTR LT Panel
Task
Result
v. On CPG INTR LT panel (fig. 8–36), rotate
the INST control to BRT. Check all CPG
engine instruments.
If CPG SDD, dim/test panel, CPG TORQUE and CPG
ENG–RTR RPM% indicators edge–lighting does not
light, replace lamp (TM 1-1520-238-23). If lamp still
does not light, refer to TM 1-1520-238-T-6 to
troubleshoot CPG edge–lights.
