5
NOTE: The blanking plug must be fully inserted in the housing
and the cap nut screwed on completely for a watertight seal.
4. Reattach the safety wire to prevent the blanking plug from
backing out in the unlikely event that the cap nut fails or is
screwed on incorrectly.
Winterizing
After the boat has been hauled for winter storage, remove the
blanking plug to let the water drain away before reinserting it. This
will prevent any water from freezing around the blanking plug,
possibly cracking the plastic.
Servicing the Insert
Aquatic growth can accumulate rapidly on the depth transducer’s
face and impede or freeze the paddlewheel’s rotation reducing
performance within weeks. Clean the insert with a Scotch-Brite
®
scour pad and mild household detergent, being careful to avoid
scratching the depth transducer. If fouling is severe, remove the
paddlewheel (see step #1 below). Lightly wet sand it with fine
grade wet/dry paper.
The water lubricated paddlewheel bearings have a life of up to 5
years on low-speed boats [less than 10kn (11MPH)] and 1 year
on high-speed vessels. Paddlewheels can fracture and shafts can
bend due to impact with water borne objects and mishandling in
boat yards. O-rings must be free of abrasions and cuts to ensure
a watertight seal.
1. To remove the old paddlewheel shaft, grasp the end with small
diagonal wire cutters and pull (Figure 5).
2. Place the new paddlewheel in the cavity with the flat side of the
blade facing the same direction as the arrow on the top of the
insert.
3. Tap the new shaft into place until the end is flush with the
outside wall of the insert.
4. Install the yellow O-ring near the top of the insert. Install a small
O-ring near the paddlewheel.
5. Place the remaining two small O-rings near the bottom of the
blanking plug.
Replacement Sensor & Parts
The information needed to order a replacement Airmar sensor is
printed on the cable tag. Do not remove this tag. When ordering,
specify the part number, date, and frequency in kHz. For convenient
reference, record this information on the top of page one.
Lost, broken, or worn parts should be replaced immediately. If you
have purchased a plastic housing and have a wood hull or desire
greater strength, purchase an Airmar metal housing. Obtain parts
from your instrument manufacturer or marine dealer.
Gemeco
USA
Tel: 803-693-0777
Email: sales@gemeco.com
Airmar EMEA
Europe, Middle East, Africa
Tel: +33.(0)2.23.52.06.48
Email: sales@airmar-emea.com
DST810—CAST
™
App
Download the CAST app by Airmar to view, analyze, and share
sensor data and evaluate your boat’s performance. Install the
CAST app on your iOS or Android device to view available NMEA
data over a wireless or network connection (Figure 6).
With the CAST app you can perform depth, speed, temperature,
and attitude calibrations. Smart devices with Bluetooth
®
connectivity can be used to view the data. Within the Cast App,
you can link to and download the CAST App User Guide.
Downloading the CAST App
1. Go to the App Store or Google Play Store.
2. Search on the word Airmar.
3. Download the free CAST app
Figure 6. Connecting the DST810 to the network and the CAST app
Copyright© 2020 Airmar Technology Corporation
wireless connection
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