ST4000+ Autopilots
26 ST4000+ 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 ST4000+ gear annulus.
C. Care should be taken not to cross-thread the
annulus (7) when screwing into the thrust tube (2).
ST4000+ GP
16mm diameter
End view of Annulus (7)
ST4000+
13mm diameter
9
Figure 16. Tiller Drive Actuator GP exploded view
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