Garmin Fishfinder 140 Owner's Manual page 14

I Y F
NSTALLING OUR ISHFINDER
4. Tighten the 10-32 locking nut until it touches the
mounting bracket, and then tighten 1/4 turn more.
(Do not overtighten.)
5. Place the first cable clamp on the transducer cable
approximately one third of the distance between
the transducer and the top of the transom. Mark
the location. Using a 1/8" bit, drill a pilot hole
approximately 3/8" (10 mm) deep.
6. Attach the cable clamp using a 4 x 12 mm screw.
Coat the screw with marine sealant before
installation. Repeat steps 5 and 6 using the other
cable clamp.
7. Route the transducer cable, as needed, to the
Fishfinder. DO NOT CUT THE CABLE. Avoid
routing the cable with electrical wires or other
sources of electrical interference.
8
Drill pilot holes here.
Level
Align with the
transom bottom. The
transducer should
extend 1/8" below
fiberglass hulls or
3/8" below aluminum
hulls.
Keep it parallel with the water line.
OK
Fishfinder 90/140 Owner's Manual