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SENSOR INSTALLATION FOR VERTICAL WINDLASSES
For accurate rope and chain counting the AA710 must be fitted using the grey AutoAnchor
sensor (#9067) supplied in the kit. Some windlasses are prefitted with a reed switch sen
-
sor. The reed switch sensor can be used for chain only counting.
The sensor is fitted into the windlass deckplate. Some windlasses are predrilled for the
sensor. Others have a dimple or mark to show where the sensor should be fitted. Check
with the AutoAnchor or windlass supplier if you are not sure where to drill for the sensor.
Sensor Position for Vertical Windlasses Using Chain Only Rode:
The sensor hole
can be drilled anywhere on the deckplate provided it is in alignment with the magnet in the
chainwheel and the gap between the sensor and magnet will be correct.
Sensor Position for Vertical Windlasses Using Rope and Chain Rode:
The hole must
be within the sensor position range at the stern end of the windlass (See Fig 5). The
sensor must also be aligned with the magnet so that the rode passes between the
sensor and the magnet. The centre of the magnet and the centre of the sensor may be up
to 10mm out of direct alignment. (See Fig 6)
Drilling the Deckplate:
If the windlass is not factory drilled, drill a hole 10.3 mm (13/32”)
diameter through the windlass deckplate. Some windlasses will be marked for sensor
fitting. Check the AutoAnchor drilling templates supplied with this kit.
Drilling the Deck:
Before drilling into the deck, ensure there is nothing below the deck
that could be damaged and that any hole you drill will not weaken the boat’s structure. Drill
a hole 10.3mm (13/32”) diameter through the deck. Ensure this hole is directly in line with
the sensor hole in the deckplate.
Do not force the sensor into the hole. Hammering the sensor head can damage the
internal electronics. Ensure the
sensor head
is positioned so that it will not be hit
by the chainwheel during windlass operation and that it is at least 300mm (1ft) away
from the battery and motor cables, then secure the sensor into the deckplate with
silicone.
Sensor Connection:
The sensor is
plugged direct into the AA702 base station.
Do not leave the cable hanging loose,
it must be tied in place with cable ties.
Extension cable and field connectors are
available.
Sensor Plug
Stern
Sensor Position Range
Bow
Chainwheel
90
o
Anchor Locker
Rode
Fig 5
Fig 6
Sensor & Magnet Alignment
10mm
Sensor
Magnet
Sensor
Magnet
6