AUTOHELM ST3000 Service Manual download pdf (Page 2)

ST3000 Autopilot

2 ST3000 Autopilot Service Manual 83004-2

Chapter 1. Before Dismantling

Before dismantling the autohelm ST3000 check the phase of the autopilot (If

PCB condition allows) by driving the pilot, in standby mode, with the course

change keys.

+10 key –10 key

Aft facing actuator Clockwise actuator rotation Anticlockwise actuator rotation

Forward facing actuator Anticlockwise actuator rotation Clockwise actuator rotation

All new spares PCBs are factory set to operate the pilot with the drive unit

facing aft. A replacement PCB for an installation with the drive unit facing

forward requires resetting.

To reset the operating sense press the +1° and -1° course keys together for

5 seconds.

The unit beeps for 10 seconds to confirm changeover and the display shows

the new setting, either ‘Port’ (actuator sprocket facing forward) or ‘Starb’

(actuator sprocket facing aft’).

The autopilot may be calibrated t to suit a particular vessel. Note the

calibration settings and set up the new PCB if required.

If the spares PCB contains software of a higher issue than before then the

relevant Operating Supplement must be supplied when the equipment is

returned to the customer.

Note: Replacement PCBs require setting up to ST3000.

Refer to

Autopilot type selection

on page 3 for instructions.

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AUTOHELM ST3000 Service Manual Page 2