TM 1-1520-238-T-4
Change 5
6–59
6–13.
DRIVE SYSTEM – DYNAMIC MAINTENANCE OPERATIONAL CHECK (cont)
6–13
Task
Result
d. On pilot caution/warning panel (fig. 6–17),
check OIL PSI MAIN XMSN 1 indicator.
If OIL PSI MAIN XMSN 1 indicator lights, and HOD
displays a 55 LB to 85 LB (normal) reading for XMSN
1, shutdown helicopter and go to paragraph 6–51.
If OIL PSI MAIN XMSN 1 indicator lights, and HOD
displays a 29 LB to 54 LB (low) reading for XMSN 1
oil pressure, shutdown helicopter and go to
paragraph 6–52.
e. On CPG HOD (fig 6–20), check FD/LS
display for XMSN 2 oil reading.
If HOD XMSN 2 oil pressure displays 0 LB oil
pressure, shutdown helicopter and go to
paragraph 6–17.
If HOD XMSN 2 oil pressure displays 50 LB oil
pressure, shutdown helicopter and go to
paragraph 6–17.1.
If HOD XMSN 2 oil pressure displays >99 LB oil
pressure, shutdown helicopter and go to
paragraph 6–17.2.
If HOD XMSN 2 oil pressure displays 54 LB oil
pressure or less, shutdown helicopter and go to
paragraph 6–17.3.
f. On pilot caution/warning panel (fig. 6–17),
check OIL PSI MAIN XMSN 2 indicator.
If OIL PSI MAIN XMSN 2 indicator lights, and HOD
displays a 55 LB to 85 LB (normal) reading for XMSN
2, shutdown helicopter and go to paragraph 6–55.
If OIL PSI MAIN XMSN 2 indicator lights, and HOD
displays a 29 LB to 54 LB (low) reading for XMSN 1
oil pressure, go to paragraph 6–56.
g. On CPG HOD (fig.6–20 ), check FD/LS
display for NGB 2 oil pressure reading.
If HOD NGB 2 oil pressure displays 0 LB oil pressure,
shutdown helicopter and go to paragraph 6–18.
If HOD NGB 2 oil pressure displays 50 LB oil
pressure, shutdown helicopter and go to
paragraph 6–18.1.
If HOD NGB 2 oil pressure displays >99 LB oil
pressure, shutdown helicopter and go to
paragraph 6–18.2.
If HOD NGB 2 oil pressure displays 54 LB oil
pressure or less, shutdown helicopter and go to
paragraph 6–18.3.
