Lewmar AutoAnchor 550 Operation Manual page 22

CHAINWHEEL CIrCUMFErENCES
Calibration Items 5 and 6.
Find the chainwheel reference and enter the chainwheel
circumference. Follow the instructions on page 5 to calculate the
circumferences for chainwheels not listed below.
Gypsy
001
002
002
003
603
604
670
762
765
MAGNET & SENSOr GAPS
Magnet 6mm x 4mm
Magnet 8mm x 6mm
Magnet 10mm x 8mm
If using a reed switch sensor, the gap must be between a minimum of 3mm and
a maximum of 5mm.
Note: If the installation uses a black all-chain sensor (Part No: 9008) the gap
must be between minimum of 3mm and a maximum of 8mm and the south pole
of the magnet must face the sensor.
Chain Size
5/16" 8mm
5/16" 8mm
3/8' 9.5mm 10 mm
3/8" 9.5mm 10 mm
1/4" 7 mm
5/16" 8 mm
6/7mm
7mm
6/7mm
Min 3mm Max 30mm
Min 3mm Max 44mm
Min 3mm Max 50mm
19
Chainwheel
Circumference
330mm (12.99 inches)
310mm (12.20 inches)
330mm (12.99 inches)
295mm (11.61 inches)
205mm (8.07 inches)
290mm (11.42 inches)
255mm (10.04 inches)
255mm (10.04 inches)
255mm (10.04 inches)