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SMARTCRAFT/NMEA 2000 GPS
Under Helm Bracket and Connector Clearance Dimensions
Sensor Installation
GPS Sensor Mounting
IMPORTANT: Perform the installation only with the vessel at a complete standstill either on land or secured to a dock.
Deck Mounted Bracket
1.
Using the dimensions from GPS Sensor and Connector Clearance Dimensions, choose a suitable location to mount
the GPS sensor deck mounted bracket.
2.
Using the deck mounted bracket as a template, mark the location for the NMEA 2000 harness pass‑through hole on the
deck and mark the location for the three screws on the deck.
IMPORTANT: Do not drill through the deck mounted bracket.
3.
Use a 22 mm hole saw or suitable cutting tool to remove the deck material for the NMEA 2000 harness pass‑through
hole.
4.
Drill three pilot holes using a 3.18 mm (1/8 in.) drill bit for the #8 screws.
5.
Apply a bead of weather‑proof marine grade sealant to fill the sealant groove on the bottom of the deck mounted bracket.
6.
Affix the deck mounted bracket to the deck surface while aligning the pass‑through hole in the deck to the hole in the
bracket. Simultaneously, align the screw holes in the bracket with the pre drilled pilot holes.
IMPORTANT: Do not overtighten the three screws.
NOTE: Different deck materials may require the screws to be tightened to specific torque values.
7.
Install the deck mounted bracket on the deck with the three screws.
8.
Remove any excess sealant that has pushed through to outside of the deck mounted bracket or inside of the hole in the
deck.
9.
Route the NMEA 2000 harness through the hole in the deck and deck mounted bracket.
10. Thread and tighten by hand the NMEA 2000 harness end onto the GPS NMEA receptacle, being careful not to
cross‑thread the fittings.
11. Locate and remove the paper covering on the adhesive ring located on the bottom of the GPS sensor.
90-8M0172030 eng JULY 2020
a
c
71443
a -
102.5 mm (4.03 in.)
b -
32 mm (1.26 in.)
c -
76.2 mm (3 in.) connector clearance
b
© 2020 Mercury Marine
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