Lowrance NAC-3 Autopilot Computer Network Pilot Installation Manual ACP - Page 21

Linear Feed Back Unit

Get Lowrance NAC-3 Autopilot Computer PDF manuals and user guides View all Lowrance NAC-3 Autopilot Computer manuals
Add to My Manuals
Save this manual to your list of manuals

Page 21 highlights

The rudder hard over angle should only be limited by the rudder stops and not the RRU linkage. Check that when hard over the RRU arm and drag-link, do not form a straight line. If this occurs the steering system could become damaged or jammed endangering the boat and crew. Rectify this immediately by adjusting the position of the RRU. LINEAR FEED BACK UNIT Where installation of the conventional Rudder Reference unit is difficult or physically impossible a Linear Feedback unit can be used. The Linear Feedback unit comprises of a tube approximately 23mm/ 7/8" in diameter and 324mm/ 12 3/4" long. This assembly is clamped to the side of the Linear actuator using a special bracket kit. The Linear Feed Back shaft is attached to the tiller bracket using the pin supplied with all Blue rams. This unit requires careful installation and alignment which should be carried out by your dealer / supplier. For electrical connection see section 4. 1 - 20

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
1 - 20
The rudder hard over angle should only be limited by the rudder stops
and not the RRU linkage. Check that when hard over the RRU arm and
drag-link, do not form a straight line. If this occurs the steering system
could become damaged or jammed endangering the boat and crew.
Rectify this immediately by adjusting the position of the RRU.
LINEAR FEED BACK UNIT
Where installation of the conventional Rudder Reference unit is difficult
or physically impossible a Linear Feedback unit can be used. The
Linear Feedback unit comprises of a tube approximately 23mm/ 7/8” in
diameter and 324mm/ 12 3/4” long. This assembly is clamped to the
side of the Linear actuator using a special bracket kit. The Linear Feed
Back shaft is attached to the tiller bracket using the pin supplied with all
Blue rams.
This unit requires careful installation and alignment which should be
carried out by your dealer / supplier. For electrical connection see
section 4.