8
Magnet Fit: Drill a hole 10.3mm (13/32”) diameter and 9.5mm (3/8”) deep to fit the
magnet in the underside of a spoke in the bottom of the chainwheel. Cover the magnet
with a minimum of 1 mm epoxy. The magnet should be aligned with the sensor. See Fig 1.
2.1.7 INSTALLATION ON A VERTICAL WINDLASS - CHAIN ONLY
Magnet Size: Standard size is 10mm x 8mmm (#9061). This may be replaced with the
smaller 6mm x 4mm (#9009) magnet if required for your windlass.
Fig 1 - All sensors
Seal with minimum 1mm epoxy.
Magnet
Sensor
Gap Between the Sensor and Magnet:
Sensor Magnet Size Gap
AA Grey Sensor #9067 6mm x 4mm Minimum 3mm - Maximum 30mm
AA Grey Sensor #9067 10mm x 8mm Minimum 3mm - Maximum 50mm
AA Black Sensor #9008 All Magnets Minimum 3mm - Maximum 8mm
Reed Switch Sensor 10mm x 8mm Minimum 3mm - Maximum 5mm
Chainwheel
Deckplate
Refer to the Overview Notes on page 5 before starting installation.
Sensor Connection: Ideally the sensor should be plugged directly into the AA702 base
station. If longer cable is required use the AA 2m male/female extension cable (Part
#9505) or one of the AA standard male/male extension cables plus the 2m cable and a
gender changer. Ensure the connectors are firmly screwed together. See the information
on page 6.
Loose cable should be tied in place with cable ties and kept clear of chain.
Sensor Position: The AA black sensor and the reed switch sensor must be fitted direclty
in line with the magnet in the chainwheel. See Fig 1 above. The AA grey sensor may be
fitted up to 20mm out of alignment. The gap between the sensor and magnet must be as
per the table below.
Note: If it is not possible to
align the sensor and magnet
exactly the AA grey sensor may
be fitted up to 20mm out of
alignment. The AA black sensor
and the reed switch sensor must
be directly aligned.
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