AUTOHELM ST3000 Service Manual download pdf (Page 7)

ST3000 Autopilot

ST3000 Autopilot Service Manual 83004-2 7

Notes:

A. Keypads come bonded to facia on later units.

B. Ensure that the fluxgate loom is formed around the outside

of the rear case pillar. Failure to do so may result in the

gimbal action being impaired and the autopilot performance

degraded.

C. Early production units have a spacer (29) which is effectively

replaced by using 4 wedges (27) on later units.

1 29 (Note C) 4

5 6 7 8 9 27 (x4)

2 (x6)

(Note A)

3 (x6) 28

10 14

15 (x4)

Note B

1. Facia

2. Keypad (x6)

3. Actuator (x6)

4. LCD surround

5. LCD

6. Elastomer connector

7. Diffuser

8. Reflector

9. PCB

10. Seal

11. Gimbol support (x2)

12. Gimbol support screw (x2)

13. Fluxgate assembly

14. Rear case

15. Case screw (x4)

16. Fluxgate ground

Insert wedge (27) as shown

to secure display bezel leg

Wedge (27)

PCB (9)

Display

bezel (4)

Early units Later units

Important: The fluxgate loom in some

early units is wired differently.

17. Fluxgate drive

18. Fluxgate sense B

19. Fluxgate sense common

20. Fluxgate sense A

21. SeaTalk data (yellow)

22. Shield (screen - black sleeve)

23. +12V supply (brown)

24. Ground (blue)

25. Motor (black)

26. Motor (red)

27. Wedge (x4)

28. Shim

29. Spacer (early units only)

30. SeaTalk deck plug assembly

11 (x2)12 (x2)13

D4101-1

Figure 2: ST3000 Autopilot display unit

1 2 3 4 5 6 7 8 9 10 11 12

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AUTOHELM ST3000 Service Manual Page 7

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