20
6.3 Installing
Caution: Never pull, carry, or hold the multisensor by the cable as this may
sever internal connections.
1. From outside the hull, push the housing into the mounting hole using a
twisting motion to squeeze out excess sealant (see Figure 4). Align the
arrow on the lip of the housing to point forward toward the bow. If the
multisensor is not installed on the centerline, angle the housing slightly
toward the centerline to align it with the water flow.
2. From inside the hull, slide the washer onto the housing.
Aluminum hull less than 6mm (1/4") thick
Use an additional
rubbery, fiberglass, or plastic washer. Never use bronze since
electrolytic corrosion will occur. Never use wood since it will swell,
possibly fracturing the plastic housing.
3. Screw the hull nut in place being sure the notch on the upper rim of the
housing and the corresponding arrow on the lip are still positioned
forward toward the bow.
Wood hull
Allow for the wood to swell before tightening the hull nut
securely.
Plastic housing
Do not clamp tightly on the wrenching flats, possibly
causing the housing to fracture.
Plastic hull nut
Hand-tighten only. Do not over tighten.
4. Remove any excess sealant on the outside of the hull to ensure smooth
water flow over the multisensor.
5. After the sealant cures, inspect the O-rings on the insert (replace if
necessary) and lubricate them.
6. Slide the insert into the housing with the arrow on the top pointing
forward toward the bow. Screw the cap nut several turns until there is
resistance. Rotate the insert until the key engages the notch in the
housing. The arrow on the top of the insert, the cable exit, the notch in
the housing, and the arrow on the lip will all be aligned. Continue to
tighten the cap nut. Be careful not to rotate the housing and disturb the
sealant. Hand-tighten only. Do not over tighten.
Warning: The O-rings must be intact and well lubricated to make
a watertight seal.
Содержание Triducer-Through-hull
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