TM 1-1520-238-T-7
Change 7
11–325
11–80.
DIR ACTUATOR NO-GO – APPEARS ON HOD (cont)
11–80
17. Check for 688 to 1032 ohms between:
(ACA) Wire ends (A323)TB3–6–B and GS3–H.
(ACB) P693–17 and P693–18.
Is resistance present?
YES
(ACB) Go to step 19.
(ACA) replace DASEC
(TM 1-1520-238-23).
NO
Go to step 18.
18. Check for open between:
(ACA) J215–1 and (A323)TB3–6–B,
J215–2 and GS3–H.
(ACB) J215–1 and P693–17,
J215–2 and P693–18.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
19. (ACB) Detach filter adapter A708. Check for
open through pins:
A708–27,
A708–28,
A708–42,
A708–43,
A708–55,
A708–56.
Does open exist?
YES
Replace filter adapter
(TM 1-1520-238-23).
NO
Go to step 20.
20. Detach filter adapter A707. Check for open
through pins A707–46 and A707–47.
Does open exist?
YES
Replace filter adapter
(TM 1-1520-238-23).
NO
Go to step 21.
21. Detach filter adapter A706. Check for open
through pins:
A706–105,
A706–106,
A706–111.
Does open exist?
YES
Replace filter adapter
(TM 1-1520-238-23).
NO
Go to step 22.
22. Has directional Linear Variable Differential
Transducer (LVDT) adjustment been performed?
YES
Replace DASEC
(TM 1-1520-238-23).
NO
Perform LVDT adjustment
(TM 1-1520-238-23).
END OF TASK
