Raymarine ST4000+ Service Manual
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ST4000+ Autopilots
D3730-1
ST4000+ Autopilots Service Manual
For use on
Z326, Wheel Autopilot
Z327, Tiller Autopilot
Z332, Tiller GP Autopilot
Warning
CE Marking of Equipment/Replacement Parts
If the Autohelm equipment under repair, test, calibration, installation or setting to work carries the European CE mark,
only parts and components supplied or approved for such use by Raytheon should be used in order to maintain
compliance with the relevant CE requirements.
Incorporation, use or attachment, by any means, of parts or components not supplied for or not approved for such use by
Raytheon or, if supplied or approved for use by Raytheon, not properly fitted in accordance with instructions published,
provided or recommended by Raytheon, may cause the equipment to malfunction and, in particular, to become unsafe or
to no longer meet the relevant CE requirements. In these circumstances, Raytheon Marine Europe Ltd excludes liability
to the fullest extent permissible in law for any loss or damage including any liability for its contribution to such loss or
damage by its negligent acts or omissions .
ST4000+ Autopilots Service Manual 83115-1

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Summary of Contents for Raymarine ST4000+

  • Page 1 ST4000+ Autopilots D3730-1 ST4000+ Autopilots Service Manual For use on Z326, Wheel Autopilot Z327, Tiller Autopilot Z332, Tiller GP Autopilot Warning CE Marking of Equipment/Replacement Parts If the Autohelm equipment under repair, test, calibration, installation or setting to work carries the European CE mark, only parts and components supplied or approved for such use by Raytheon should be used in order to maintain compliance with the relevant CE requirements.
  • Page 2 ST4000+ Autopilots ST4000+ Autopilots Service Manual 83115-1...
  • Page 3: Table Of Contents

    Contents Contents Chapter 1. ST4000+ Control Head ..................1 1.1 PCB Changes ....................1 1.2 Disassembly/Assembly..................2 ST4000+ Control Head spare parts list ............3 1.3 PCB Details ....................4 Input/Output Signals (refer to Figure 2. Circuit Diagram) ........4 Circuit Diagram..................
  • Page 4 ST4000+ Autopilots Chapter 4. Tiller Drive Actuator .................... 21 4.1 Tiller Drive Actuator test .................. 21 4.2 Disassembly/assembly ................... 22 Tiller Drive Actuator spare parts list ............... 23 Tiller Drive Actuator GP conversion kit (W003) ..........23 Chapter 5. Tiller Drive Actuator GP ..................25 5.1 Tiller Drive Actuator GP test ................
  • Page 5: Chapter 1. St4000+ Control Head

    Chapter 1. ST4000+ Control Head Chapter 1. ST4000+ Control Head 1.1 PCB Changes When a PCB is changed, it may be necessary to set the new PCB to the required pilot type, ST4000+ Wheel, ST4000+ Tiller or ST4000+ Tiller GP 1.
  • Page 6: Disassembly/Assembly

    ST4000+ Autopilots 1.2 Disassembly/Assembly Figure 1: ST4000+ Control Head exploded view 2 ST4000+ Autopilots Service Manual 83115-1...
  • Page 7: St4000+ Control Head Spare Parts List

    Chapter 1. ST4000+ Control Head ST4000+ Control Head spare parts list The item numbers refer to Figure 1: ST4000+ Control Head exploded view Item Spare Description Part No. Comments Facia W115 Keypad Q219 Display kit, including Q220 Label (selection) Fit ST4000+ label Window insert LCD surround Elastomer (x2)
  • Page 8: Pcb Details

    ST4000+ Autopilots 1.3 PCB Details Input/Output Signals (refer to Figure 2. Circuit Diagram) Pin No. Signal Description PL1/1 +12V Nominal 12V dc PL1/2 0V in PL1/3 SeaTalk Intermittent streams of (nominal) 12V pulses PL2/1 +12V Nominal 12V dc PL2/2 0V in PL2/3 SeaTalk Intermittent streams of (nominal) 12V pulses...
  • Page 9: Circuit Diagram

    Chapter 1. ST4000+ Control Head Circuit Diagram Figure 2: Circuit Diagram ST4000+ Autopilots Service Manual 83115-1 5...
  • Page 10: Pcb Layout

    ST4000+ Autopilots PCB Layout Taken from Drawing No: 4376-001 Issue: P Date: 03.10.97 D3722-1 Figure 3: PCB Component Layout 6 ST4000+ Autopilots Service Manual 83115-1...
  • Page 11: Pcb Component List

    Chapter 1. ST4000+ Control Head PCB Component list Taken from Drawing No: 4376-001 Issue: P Date: 03.10.97 D3724-1 ST4000+ Autopilots Service Manual 83115-1 7...
  • Page 12 ST4000+ Autopilots 8 ST4000+ Autopilots Service Manual 83115-1...
  • Page 13: Chapter 2. Fluxgate Compass Transducer

    Chapter 2. Fluxgate Compass Transducer Chapter 2. Fluxgate Compass Transducer 2.1 Functional test Disconnect the Fluxgate from the Autopilot and check continuity as follows: Cable colour Connector pin number Resistance Screen to blue < 10 ohms Red to green < 5 ohms Red to yellow <...
  • Page 14: Disassembly/Assembly

    ST4000+ Autopilots 2.3 Disassembly/assembly 1. Cover 2. Seal 6. Fluxgate sub-assembly 3. Pivot retaining screw (x2) 7. Body 4. Bracket 8. Body screw (x4) 5. Pivot sub-assembly 9. Cable D3726-1 Figure 4. Fluxgate Compass exploded view Fluxgate Compass spare parts list The item numbers refer to Figure 4: Fluxgate Compass exploded view Item Spare Description...
  • Page 15: Chapter 3. Wheel Drive Actuator

    Chapter 3. Wheel Drive Actuator Chapter 3. Wheel Drive Actuator 3.1 Wheel Drive Actuator test Carry out the passive and active tests detailed in Figure 6. Fuse/CB Switch 12V 15A D2386-1 Figure 5. Wheel Drive Actuator test connections Start Connect power supply as in Figure 5 Visually inspect unit Switch on, and with clutch...
  • Page 16: Disassembly/Assembly

    ST4000+ Autopilots 3.2 Disassembly/assembly Figure 7. Wheel Drive Actuator exploded view 12 ST4000+ Autopilots Service Manual 83115-1...
  • Page 17: Wheel Drive Actuator Spare Parts List

    Chapter 3. Wheel Drive Actuator Wheel Drive Actuator spare parts list The item numbers refer to Figure 7: Wheel Drive A ctuator exploded view Item Spare Description Part No. Comments Drive ring N031 Back mounting plate assembly N013 Comes fitted with, pre-assembled gearbox, item 23 Belt...
  • Page 18: Disassembly

    ST4000+ Autopilots Disassembly Belt removal Refer to Figure 7. Wheel Drive Actuator exploded view. 1. Insert a wide flat, non-metalic blade into the gap between the drive ring (1) and the back mounting plate (2). Gently lever the blade to force the drive ring (1) off the rollers (18) of the back mounting plate (2).
  • Page 19: Gearbox Removal

    Chapter 3. Wheel Drive Actuator 5. Desolder connector wires from the motor tags. Gearbox removal Refer to Figure 7. Wheel Drive Actuator exploded view. 1. Perform actions as described in Pinion sprocket removal , and 1, 2, 3 and 4 in Motor removal . 2.
  • Page 20: Assembly

    ST4000+ Autopilots Assembly In all cases, assembly is a straight reversal of the steps described in Disassembly . Gearbox assembly Refer to Figure 7. Wheel Drive Actuator exploded view. 1. Rebuild gearbox. Refer to Figure 8. Gearbox exploded view 2. Fix the gearbox (23) to the back mounting plate assembly (2) using the four gearbox retaining screws (22).
  • Page 21: Drive Lever And Eccentric Assembly

    Chapter 3. Wheel Drive Actuator Drive lever and eccentric assembly Refer to Figure 7. Wheel Drive Actuator exploded view. 1. Assemble the drive eccentric assembly (11) and drive wheel assembly (10) to the back mounting plate assembly (2). 2. Slide the drive lever (9) onto the drive eccentric assembly (11). Support the drive lever (9) and insert the roll pin (8).
  • Page 22: Setting Belt Tension

    ST4000+ Autopilots 3.3 Setting Belt Tension The purpose of the belt tensioning procedure is to ensure that: 1. The belt is sufficiently tight to transmit the normal maximum drive torques. 2. The belt is not over-tightened, as this will increase the backdrive load to a level where it can be felt on the vessel’s wheel.
  • Page 23: Motor Drive Box Parts

    Chapter 3. Wheel Drive Actuator Motor drive box parts Component Description Resistor 121R 0.1% metal film Resistor 845R 0.1% metal film Resistor 1k0 0.5W Capacitor 4700uF 20% electrolytic 25V Capacitor 4.7uF 10% solid tantalum 35V Capacitor 22uF 10% solid tantalum 35V Capacitor 4.7uF 10% solid tantalum 35V Diode...
  • Page 24 ST4000+ Autopilots 20 ST4000+ Autopilots Service Manual 83115-1...
  • Page 25: Chapter 4. Tiller Drive Actuator

    Chapter 4. Tiller Drive Actuator Chapter 4. Tiller Drive Actuator 4.1 Tiller Drive Actuator test Carry out the passive and active tests detailed in Figure 11. Tiller Drive Actuator test flowchart. Blue Fuse/CB Brown Blue Brown Switch Actuator deck plug 12V 15A D2394-1 Figure 10.
  • Page 26: Disassembly/Assembly

    ST4000+ Autopilots 4.2 Disassembly/assembly Figure 12. Tiller Drive Actuator exploded view 22 ST4000+ Autopilots Service Manual 83115-1...
  • Page 27: Tiller Drive Actuator Spare Parts List

    Chapter 4. Tiller Drive Actuator Tiller Drive Actuator spare parts list The item numbers refer to Figure 12: Tiller Drive Actuator exploded view Item Spare Description Part No. Comments Drive module Q047 Complete drive unit Motor Q114 End cap assembly W014 Tiller Drive Actuator GP conversion kit (W003) This GP conversion kit (W003) gives the option of converting the ST4000+...
  • Page 28 ST4000+ Autopilots 24 ST4000+ Autopilots Service Manual 83115-1...
  • Page 29: Chapter 5. Tiller Drive Actuator Gp

    Chapter 5. Tiller Drive Actuator GP Chapter 5. Tiller Drive Actuator GP 5.1 Tiller Drive Actuator GP test Carry out the passive and active tests detailed in Figure 15. Tiller Drive Actuator GP test flowchart. Blue Fuse/CB Brown Blue Brown Switch Actuator deck plug 12V 15A...
  • Page 30: Disassembly/Assembly

    ST4000+ Autopilots 5.2 Disassembly/assembly Figure 16. Tiller Drive Actuator GP exploded view 26 ST4000+ Autopilots Service Manual 83115-1...
  • Page 31: Tiller Drive Actuator Gp Spare Parts List

    Chapter 5. Tiller Drive Actuator GP Tiller Drive Actuator GP spare parts list The item numbers refer to Figure 16: Tiller drive actuator GP exploded view Item Spare Description Part No. Comments Drive module Q086 Complete drive unit ST4000+ GP kit, incuding W003 Serves as an upgrade Planet gear (x4)
  • Page 32 ST4000+ Autopilots 28 ST4000+ Autopilots Service Manual 83115-1...
  • Page 33 ST4000+ Autopilots ST4000+ Autopilots Service Manual 83115-1...
  • Page 34 ST4000+ Autopilots Raytheon Marine Company Raytheon Marine Europe Limited 676 Island Pond Road Anchorage Park, Portsmouth Manchester Hampshire PO3 5TD New Hampshire 03109-5420 Tel: (01705) 693611 Tel: (001 603) 647 7530 Fax: (01705) 694642 Fax: (001 603) 634 4756 http: //www.raytheon.com ST4000+ Autopilots Service Manual 83115-1...

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