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CPG DECOUPLER COLL 1 (ACY) C CLTV DCPL1 STAT (ACZ) | Up
TM-1-1520-238-T-3 Army Model AH-64 Helicopter (NSN
1520-01-106-9519) (EIC: RHA) Multiplex Read Codes Manual | Next
CHAPTER 4 DE–ICE/ANTI–ICE SYSTEM MULTIPLEX READ CODES |
TM 1–1520–238–T–3
3–30
Change 4
3–130 SIGNAL NAME:
TURN RATE FAIL (ACY) TURNRATE IND STAT (ACZ)
MEMORY LOCATION: 002110
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates turn rate indicator is properly controlled by DASEC.
REMARKS: From DASEC to FCC.
PASS:
If first digit displayed on HOD is 0 and HARS malfunctions exist refer to Chapter 6, paragraph
6–13. If no HARS malfunctions have been identified, replace DASEC (TM 1–1520–238–23).
FAIL: Location of fault: video display unit (VDU), wiring from VDU to DASEC, DASEC. Troubleshoot
wiring to isolate fault (TM 1–1520–238–T–7).
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