Horizontal Alignment - Raymarine Mk II Installation Manual

Wheel drive
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18
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:
• 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 sen-
sor arm beyond these limits it will damage the rudder position sensor
Ball joints (level)
Connecting rod
Parallel
Aft
90˚
Minimum: 75 mm (3 in)
Maximum: 310 mm (12 in)
Sensor arm
Rudder position
sensor
Mounting base
Cable entry
60˚
60˚
Maximum
permitted
travel: +/- 60˚
MK II Wheel Drive

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