Furuno GP-3500F Installation Manual page 31

Waterproofing the connector
After connecting the antenna cable, wrap the connector with self-vulcanizing tape and then
vinyl tape to waterproof it. Bind ends of vinyl tape with cable ties to prevent unraveling.
How to attach N-P-8DFB connector
Outer Sheath
Cover with heat-shrink tubing and heat.
Clamping
Nut
How to waterproof the connector
Inner
Sheath
Armor
Shield
50
30
10
30
Flat Washer
Clamp
Gasket
(reddish
brown)
Aluminum Foil
Trim shield here.
Insulator
Washer 2
Trim aluminum
tape foil here.
5
Spacer
Pin
Clamping Nut
Housing
Solder through
the hole.
How to attach N-P-8DFB connector
Dimensions in millimeters.
Remove outer sheath and armor by the
dimensions shown left.
Expose inner sheath and shield by the
dimensions shown left.
Cut off insulator and core by 10 mm.
Twist shield end.
Slip on clamping nut, flat washer, gasket
and clamp as shown left.
Fold back shield over clamp and trim.
Cut aluminum foil at four places, 90° from
one another.
Fold back aluminum foil onto shield and
trim.
Remove insulator up to edge of washer 2.
Expose the core by 5 mm.
Slip the pin onto the conductor. Solder them
together through the hole on the pin.
Insert the spacer and housing. Screw the
clamping nut into the housing.
(Tighten by turning the clamping nut. Do not
tighten by turning the housing.)
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