TM 1-1520-238-T-7
11–324
11–80. DIR ACTUATOR NO-GO – APPEARS ON HOD (cont)
11–80
8. Check for open between:
P688–27 and P224–14,
P688–28 and P224–15.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
9. Check for 58.4 to 87.6 ohms between P688–42
and P688–43.
Is resistance present?
YES
Go to step 11.
NO
Go to step 10.
10. Check for open between:
P688–42 and J223–3,
P688–43 and J223–4.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
11. Check for 58.4 to 87.6 ohms between P686–46
and P686–47.
Is resistance present?
YES
Go to step 13.
NO
Go to step 12.
12. Check for open between:
P686–46 and J215–3,
P686–47 and J215–4.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
13. Check for 73 to 91 ohms between:
(ACA) Wire ends (A323)TB3–7–L and GS1–L.
(ACB) P694–23 and P694–24.
Is resistance present?
YES
Go to step 15.
NO
Go to step 14.
14. Check for open between:
(ACA) P224–6 and (A323)TB3–7–L,
P224–7 and GS1–L.
(ACB) P224–6 and P694–23,
P224–7 and P694–24.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
15. Check for 688 to 1032 ohms between:
(ACA) Wire ends (A323)TB3–7–M and GS1–M.
(ACB) P694–25 and P694–26.
Is resistance present?
YES
Go to step 17.
NO
Go to step 16.
16. Check for open between:
(ACA) J223–1 and (A323)TB3–7–M,
J223–2 and GS1–M.
(ACB) J223–1 and P694–25,
J223–2 and P694–26.
Does open exist?
YES
Repair open wire.
Go to paragraph 11–23.
NO
Replace directional
servocylinder
(TM 1-1520-238-23).
