Raymarine autopilot ST4000+, Service Manual

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Autopilots
22 Autopilots Service Manual 83115-1
4.2 Disassembly/assembly
D2395-1
1. Ram cap 2. Thrust tube 3. Lead screw assembly 4. Planet gear (x4) 5. Shim 6. 'O' ring (x3) 7. Gear annulus 8. Motor (Q114)
9. Flux ring 10. Motor sleeve 11. End cap assembly 12. Cable clamp 13. Clamp seal 14. Cable clamp nut 15. SeaTalk deck plug
1 Notes: A. Ensure cable clamp nut (14) is unscrewed before undoing the motor sleeve. B. The hole in the gear annulus (7) that accepts the drive gear of the motor (8) is of a different diameter to that of the GP gear annulus. C. Care should be taken not to cross-thread the annulus (7) when screwing into the thrust tube (2).
3
4 (x4)
5
6
7
Notes B & C
6
8
9
6
10
11
12
13
14
Note A
15
2
GP
16mm diameter
End view of Annulus (7)
13mm diameter
Figure 12. Tiller Drive Actuator exploded view