TM 1-1520-238-T-4
6–54
6–12.
DRIVE SYSTEM – INDICATORS MAINTENANCE OPERATIONAL CHECK (cont)
6–12
Task
Result
ai. Start and run APU (TM 1-1520-238-23).
aj. Shut down AGPU (TM 1-1520-238-23).
ak. On pilot caution/warning panel (fig. 6–17),
check PRI HYD PSI indicator.
If PRI HYD PSI indicator is lighted refer to
TM 1-1520-238-T-5 to troubleshoot hydraulic and
pneumatic systems.
al. On CPG caution/warning panel (fig. 6–18),
check PRI HYD indicator.
If PRI HYD indicator is lighted, refer to
TM 1-1520-238-T-5 to troubleshoot hydraulic and
pneumatic systems.
am. On pilot caution/warning panel, check UTIL
HYD PSI indicator.
If UTIL HYD PSI indicator is lighted, refer to
TM 1-1520-238-T-5 to troubleshoot hydraulic and
pneumatic systems.
an. On CPG caution/warning panel (fig. 6–18),
check UTIL HYD indicator.
If UTIL HYD indicator is lighted, refer to
TM 1-1520-238-T-5 to troubleshoot hydraulic and
pneumatic systems.
ao. On pilot caution/warning panel, check OIL
PSI ACC PUMP indicator.
If OIL PSI ACC PUMP indicator is lighted, go to
paragraph 6–42.
ap. On pilot caution/warning panel, check
SHAFT DRIVEN COMP indicator.
If SHAFT DRIVEN COMP indicator is lighted, refer to
TM 1-1520-238-T-5 to troubleshoot hydraulic and
pneumatic systems.
aq. On pilot caution/warning panel, check GEN
1 indicator.
If GEN 1 indicator is lighted, refer to
TM 1-1520-238-T-6 to troubleshoot pilot
caution/warning system.
ar. On pilot caution/warning panel, check GEN
2 indicator.
If GEN 2 indicator is lighted, refer to
TM 1-1520-238-T-6 to troubleshoot pilot
caution/warning system.
NOTE
If drive system vibration or dynamic maintenance operational check is to
be performed, omit steps 4 and 5.
3. Shut down APU (TM 1-1520-238-23).
4. Perform DRIVE SYSTEM – POWER DOWN (para 6–11).
5. Secure access doors and panels (TM 1-1520-238-23).
6. Disconnect maintenance headset (para 1–17).
END OF TASK
