TM 1–1520–238–T–3
12–14
Change 4
12–40 SIGNAL NAME:
STA DIR 2 RKT POLL (ACY) STD2 RESPONSE (ACZ)
MEMORY LOCATION: 001723
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; movement of the pylons down should show a decreasing negative
number (1 in the sixth digit) and movement of the pylons up should show a positive
increasing number (0 in the sixth digit).
SIGNAL FUNCTION:
Monitors pylon 2 position.
REMARKS: From station director through LH inboard (INBD) MRTU Type II to FCC.
PASS:
Location of fault if condition is met: pylon actuator controller, wiring from pylon actuator
controller to pylon actuator, pylon actuator. Troubleshoot wiring to isolate fault
(TM 9–1090–208–23–2).
FAIL: Location of fault: station director 2, wiring from station director 2 to LH INBD MRTU Type II, LH
INBD MRTU Type II. Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
12–41 SIGNAL NAME:
STA DIR 3 STATUS
MEMORY LOCATION: 001160
MEMORY DATA BIT(S):
8
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of station director 3 (pylon 3).
REMARKS: From station director 3 through RCP and LH FAB MRTU Type I to FCC.
PASS:
If fourth digit displayed on HOD is 4, 5, 6, or 7, go to paragraph 12–42.
FAIL: Location of fault: station director 3, wiring from station director 3 to RCP, RCP, wiring from RCP
to LH FAB MRTU Type I, LH FAB MRTU Type I. Troubleshoot wiring to isolate fault
(TM 9–1090–208–23–2).
12–42 SIGNAL NAME:
P3 POLLED AND RKT PRESENT (ACY) STD3 RESP ECHO (ACZ)
MEMORY LOCATION: 001263
MEMORY DATA BIT(S):
7
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Displays number of rockets remaining in each zone.
REMARKS: From FCC through LH FAB MRTU Type I to RCP.
PASS:
If the fifth digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 12–43.
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to RCP, RCP.
Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
12–43 SIGNAL NAME:
STA DIR 3 RKT POLL (ACY) STD3 RESPONSE (ACZ)
MEMORY LOCATION: 001770
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; movement of the pylons down should show a decreasing negative
number (1 in the sixth digit) and movement of the pylons up should show a positive
increasing number (0 in the sixth digit).
SIGNAL FUNCTION:
Monitors pylon 3 position.
REMARKS: From station director through RH INBD MRTU Type II to RCP.
PASS:
Location of fault if condition is met: pylon actuator controller, wiring from pylon actuator
controller to pylon actuator, pylon actuator. Troubleshoot wiring to isolate fault
(TM 9–1090–208–23–2).
FAIL: Location of fault: station director 3, wiring from station director 3 to RH INBD MRTU Type II, RH
INBD MRTU Type II. Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
