Simrad AP26, AP27 manual External Alarm, 27 LF3000 Linear Feedback

Models: AP26 AP27

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Installation

3.26External Alarm

The external alarm circuit has an open collector output for an external alarm relay or buzzer. The operating voltage for the circuit is the main supply voltage. Max. load on external alarm output is 0.9 Amp.

AUTOPILOT COMPUTER

POWER PCB

TB6 TB7 TB8 TB9

Ext. alarm

Figure 3-28 External alarm connection

3.27LF3000 Linear Feedback

Caution ! The rod of the LF3000 is not locked in place in the cylinder. Pay attention as it may slip out of its housing and end up on the seabed.

The LF3000 is a waterproof feedback unit. It has a 300 mm (11,8") stroke and comes with a special mounting bracket which secures the LF3000 to the cylinder of the existing outboard drive unit.

The 8,5 m (28') cable is terminated in the LFI3000 Mk2 Linear Feedback Interface according to Figure 3-30.

The mounting hardware provided is made to interface with Teleflex HC5340 cylinders and Hynautic K7 and K10 Cylinders. The hardware may not be appropriate for other systems.

Center the drives. Loosely secure the LF3000 to the supplied mounting bracket, across the center of the drive unit cylinder. Either cylinder may be used if there is a dual set up. You may mount the feedback in either direction, i.e. the shaft of LF3000 may point to port or starboard.

Loosen the end bolt (a) used to secure the cylinder to the drive unit mount. Insert the rod retaining assembly (b) and retighten

20221586B

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Page 81
Image 81
Simrad AP26, AP27 manual External Alarm, 27 LF3000 Linear Feedback