Raymarine autopilot ST4000+, Service Manual

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Autopilots
26 Autopilots Service Manual 83115-1
5.2 Disassembly/assembly
1
2
3
4 (x4)
5
6
6
8
10
6
11
12
13
14
16
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
9. Cable tie 10. Motor spacer 11. Motor sleeve 12. End cap assembly 13. Cable clamp 14. Clamp seal 15. Cable clamp nut 16. SeaTalk deck plug
D2396-1
15
Note A
7
Notes B & C
Notes: A. Ensure cable clamp nut (15) 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 gear annulus. C. Care should be taken not to cross-thread the annulus (7) when screwing into the thrust tube (2).
GP
16mm diameter
End view of Annulus (7)
13mm diameter
9
Figure 16. Tiller Drive Actuator GP exploded view