Raymarine ST4000+ Owner's Handbook Manual page 80

81131_7.book Page 72 Wednesday, March 17, 2004 3:59 PM
72
Front view - rudder amidships
Parallel
Tiller arm
or quadrant
Top view - rudder amidships
Horizontal alignment
When viewed from above (as shown in the illustration above):
• the sensor arm must be between 75 mm (3 in) and 310 mm (12 in)
from the tiller arm
• with the rudder amidships, the sensor arm should be at 90° to the
connecting rod and directly opposite the cable entry point on the
sensor body
• when the rudder moves from hardover to hardover:
•
•
ST4000+ Wheel & Tiller Autopilots: Owner's Handbook
Ball joints (level)
Connecting rod
Parallel
Aft
90˚
Minimum: 75 mm (3 in)
Maximum: 310 mm (12 in)
the sensor arm and the tiller arm must remain parallel to each
other at all times
sensor arm movement must not exceed +/- 60°: if the steering
system drives the sensor arm beyond these limits it will
damage the rudder position sensor
Sensor arm
Rudder position
sensor
Mounting base
Cable entry
60˚ 60˚
Maximum
permitted
travel: +/- 60˚
D5387-1