Furuno 525T Ltd 12 Installation Instructions 17 364 01 Rev05 Tilted No_valve
2015-08-11
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OWNER’S GUIDE & INSTALLATION INSTRUCTIONS Thru-Hull, without Valve Tilted Element™ Transducer Record the information found on the cable tag for future reference. Part No._________________Date___________Frequency________kHz 17-364-01 rev. 05 03/16/11 Tilt Angles: 0°, 12°, 20° Models: B60, B75H, B75L, B75M, B619 P19, SS60, SS565, SS619 U.S. Patent No. 7,369,458. UK Patent No. 2 414 077. U.S. Patent Pending P19 Follow the precautions below for optimal product performance and to reduce the risk of property damage, personal injury, and/or death. WARNING: Always wear safety goggles and a dust mask when installing. WARNING: Immediately check for leaks when the boat is placed in the water. Do not leave the boat unchecked for more than three hours. Even a small leak may allow considerable water to accumulate. WARNING: B619 and SS619—Do not use the spacer if there is insufficient space to tighten the nut, or it is within 11mm (1/2") of the top of the housing. WARNING: Stainless steel housing in a metal hull— Be sure the washer contacts the hull. Do not tighten the hull nut with the washer against the isolation bushing, as the housing will not be firmly installed. If necessary, sand the isolation bushing until the washer rests against the hull. CAUTION: The arrow on the top of the transducer must point toward the keel or centerline of the boat. This will align the angle of the element inside the transducer with the deadrise angle of your hull. CAUTION: Never pull, carry, or hold the transducer by its cable; this may sever internal connections. CAUTION: Never install a metal transducer on a vessel with a positive ground system. CAUTION: Plastic housing—Never use a fairing with a plastic housing; the protruding sensor would be vulnerable to damage from impact. CAUTION: Metal housing—Never install a metal housing on a vessel with a positive ground system. CAUTION: Stainless steel housing in a metal hull— The stainless steel housing must be isolated from a metal hull to prevent electrolytic corrosion. Use the isolation bushing supplied. CAUTION: Never use solvents. Cleaners, fuel, sealants, paint, and other products may contain strong solvents, such as acetone, which attack many plastics, greatly reducing their strength. IMPORTANT: Read the instructions completely before proceeding with the installation. These instructions supersede any other instructions in your instrument manual if they differ. Applications • Plastic housing recommended for fiberglass or metal hulls only. Never install a plastic housing in a wood hull since swelling of the wood can fracture the plastic. • Bronze housing recommended for fiberglass or wood hulls. Never install a bronze housing in a metal hull, because electrolytic corrosion will occur. • Stainless steel housing compatible with all hull materials. Recommended for metal hulls to prevent electrolytic corrosion provided the stainless steel housing is isolated from the metal hull. Match Tilt Angle of Transducer to Deadrise Be sure the tilt angle of your transducer model matches the deadrise angle of your boat at the mounting location. The tilt angle is printed on the top of the transducer (see Figure 1). To measure the deadrise angle of your hull at the selected mounting location, use an angle finder or a digital level (see Figure 2). • 0° models—For hull deadrise angles from 0° to 7° • 12° models—For hull deadrise angles from 8° to 15° B75L-12°—For hull deadrise angles from 0° to 24° B75H-12°—For hull deadrise angles from 6° to 15° B75M-12°—For hull deadrise angles from 6° to 15° • 20° models—For hull deadrise angles from 16° to 24° 12° model 20° model TILT KEEL TILT KEEL 12 O 20 O AIRMAR® AIRMAR® Figure 1. Top of transducer Copyright © 2005 Airmar Technology Corp. slope of hull transom view deadrise angle parallel to waterline Figure 2. Deadrise angle of the hull Copyright © 2005 Airmar Technology Corp. Identify Your Model • The water flowing under the hull must be smooth with a minimum of bubbles and turbulence (especially at high speeds). The model name is printed on the cable tag. Model (Housing) Outside Hull Hole Saw Size Hull Material Cored Fiberglass Hull Hull Interior Hole Saw Size P19 fiberglass metal 51mm or 2" 60mm or 2-3/8" B619 SS619 fiberglass wood 51mm or 2" 60mm or 2-3/8" SS619 metal 57mm or 2-1/4" NA B60 SS60 SS56 fiberglass wood 60mm or 2-3/8" 80mm or 3-1/8" B75 fiberglass wood 70mm or 2-3/4" 80mm or 3-1/8" SS60 metal 70mm or 2-3/4" NA SS565 metal 70mm or 2-3/4" NA Tools & Materials Safety goggles Dust mask Electric drill with 10mm (3/8") or larger chuck capacity Drill bit: 3mm or 1/8" Hole saw (see table below) Countersink tool (installing SS565) Sandpaper Mild household detergent or weak solvent (such as alcohol) File (installation in a metal hull) Marine sealant (suitable for below waterline) Slip-joint pliers (installing a metal housing) Grommet(s) (some installations) Cable ties Water-based anti-fouling paint (mandatory in salt water) Installation in a cored fiberglass hull (see page 4): Hole saw for hull interior (see table below) Fiberglass cloth and resin or Cylinder, wax, tape, and casting epoxy Mounting Location CAUTION: Do not mount near water intake or discharge openings or behind strakes, fittings, or other hull irregularities. CAUTION: Do not mount in line with trailer rollers or bunks that may damage the transducer’s face. • The transducer must be continuously immersed in water. • The transducer beam must be unobstructed by the keel or propeller shaft(s). • Choose a location away from interference caused by power and radiation sources such as: the propeller(s) and shaft(s), other machinery, other echosounders, and other cables. The lower the noise level, the higher the echosounder gain setting that can be used. Hull Types (see Figure 3) • Displacement hull powerboats—Locate amidships near the centerline. The starboard side of the hull where the propeller blades are moving downward is preferred. • Planing hull powerboats—Mount well aft, on or near the centerline, and well inboard of the first set of lifting strakes to ensure that the transducer will be in contact with the water at high speeds. The starboard side of the hull where the propeller blades are moving downward is preferred. Outboard and I/O—Mount just forward of the engine(s). Inboard—Mount well ahead of the propeller(s) and shaft(s). Stepped hull—Mount just ahead of the first step. Boat capable of speeds above 25kn (29MPH)—Review the installation location and operating results of similar boats before proceeding. • Fin keel sailboats—Mount as close as possible to the centerline and forward of the fin keel 300–600mm (1–2'). • Full keel sailboats—Locate amidships and away from the keel. Installation Hole Drilling Cored fiberglass hull—Follow separate instructions on page 4. 1. Drill a 3 mm or 1/8" pilot hole from inside the hull. If there is a rib, strut, or other hull irregularity near the selected mounting location, drill from the outside. 2. Using the appropriate size outside hull hole saw, cut a hole from outside of the hull perpendicular to the hull surface (see table above). SS565—Use a countersink tool to create a “seat” in the hull. large displacement hulls small displacement hulls 3. Sand and clean the area around the hole, inside and outside, to ensure that the sealant will adhere properly to the hull. If there is any petroleum residue inside the hull, remove it with either mild household detergent or a weak solvent (alcohol) before sanding. Metal hull—Remove all burrs with a file and sandpaper. planing hulls outboard and I/O Bedding stepped hull Apply a 2mm (1/16") thick layer of marine sealant around the flange of the housing that contacts the hull and up the sidewall of the housing (see Figure 4 or 5). The sealant must extend 6mm (1/4") higher than the combined thickness of the hull, washer(s), and the hull nut. This will ensure there is marine sealant in the threads to seal the hull and to hold the hull nut securely in place. fin keel sailboats full keel sailboats Figure 3. Best location for transducer Copyright © 2005 Airmar Technology Corp. 2 CAUTION; Be sure the surfaces to be bedded are clean and dry. Stainless steel housing in a metal hull—To prevent electrolytic corrosion, the stainless steel housing must be isolated from the metal hull. Slide the isolation bushing onto the housing (see Figure 5). Apply additional marine sealant to the surfaces of the bushing that will contact the hull, filling any cavities in and around the isolation bushing. P19 housing B60, B75, or SS60 B619 or SS619 housing wrench flat (2) wrench flat (2) housing housing hull nut hull nut hull nut spacer washer washer washer hull marine sealant on flange and sidewall of housing wrench flat (2) hull hull marine sealant on flange and sidewall of housing marine sealant on flange and sidewall of housing Figure 4. Bedding and installing in solid fiberglass or wood hull Copyright © 2006 Airmar Technology Corp. Installing Metal hull—Use the spacer if there are not enough threads to tighten the hull nut against the hull. 1. From outside the hull, push the housing into the mounting hole using a twisting motion to squeeze out excess sealant. 12° and 20° models—From inside the hull, point the arrow on the top of the transducer (and the cable exit) toward the KEEL or centerline of the boat (see Figure 1). This will align the angle of the element inside the transducer with the deadrise angle of your hull. 2. Slide the washer onto the housing (see Figure 4 or 5). B619 and SS619—Also slide the spacer onto the housing and rest it against the washer. Do not use the spacer if there is insufficient space to tighten the nut or it is within 11mm (1/2") of the top of the housing. Stainless steel housing in a metal hull—Be sure the washer contacts the hull. Do not tighten the hull nut with the washer against the isolation bushing, as the housing will not be firmly installed. If necessary, sand the isolation bushing until the washer rests against the hull. 3. Screw the hull nut in place. Plastic housing—Do not clamp tightly on the wrench flats to avoid possibly fracturing the housing. Plastic hull nut—Hand-tighten only. Do not over tighten. Metal hull nut—Tighten with slip-joint pliers. SS565 Cored Fiberglass Hull—Do not over tighten, crushing the hull. Wood hull—Allow the wood to swell before tightening the hull nut. 4. Remove any excess marine sealant on the outside of the hull to ensure smooth water flow under the transducer. Cable Routing & Connecting CAUTION: If your transducer came with a connector, do not remove it to ease cable routing. If the cable must be cut and spliced, use Airmar’s splash-proof Junction Box No. 33-035 and follow the instructions provided. Removing the waterproof connector or cutting the cable, except when using a water-tight junction box, will void the sensor warranty. 1. Route the cable to the instrument, being careful not to tear the cable jacket when passing it through the bulkhead(s) and other parts of the boat. Use grommets to prevent chaffing. To reduce electrical interference, separate the transducer cable from other electrical wiring and the engine. Coil any excess cable and secure it in place using cable ties to prevent damage. 2. Refer to the echosounder owner’s manual to connect the transducer to the instrument. SS60 or SS619 SS565 solid fiberglass or wood hull metal hull metal hull (SS619 shown) housing wrench flat (2) wrench flat (2) hull nut washer hull marine sealant on flange and sidewall of housing wrench flat (2) housing housing hull nut hull nut washer spacer hull hull isolation bushing marine sealant on flange and sidewall of housing and isolation bushing where it contacts the hull washer isolation bushing marine sealant on flange and side wall of housing and isolation bushing where it contacts the hull Figure 5. Bedding and installing Copyright © 2006 Airmar Technology Corp. 3 Alternatively, a hollow or solid cylinder of the correct diameter can be coated with wax and taped in place. Fill the gap between the cylinder and hull with casting epoxy. After the epoxy has set, remove the cylinder. 9-12 mm (3/8-1/2") larger than the hole through the hull’s outer skin pour in casting epoxy inner skin core hull thickness 6. Sand and clean the area around the hole, inside and outside, to ensure that the marine sealant will adhere properly to the hull. If there is any petroleum residue inside the hull, remove it with either mild household detergent or a weak solvent (alcohol) before sanding. 7. Proceed with “Bedding” on page 2. solid or hollow cylinder outer skin Figure 6. Preparing a cored fiberglass hull Copyright © 2005 Airmar Technology Corp. Checking for Leaks When the boat is placed in the water, immediately check around the transducer for leaks. Note that very small leaks may not be readily observed. Do not leave the boat in the water for more than 3 hours before checking it again. If there is a small leak, there may be considerable bilge water accumulation after 24 hours. If a leak is observed, repeat “Bedding” and “Installing” immediately (see page 2). Maintenance, Repair & Replacement Anti-fouling Paint Surfaces exposed to salt water must be coated with anti-fouling paint. Use water-based anti-fouling paint only. Never use ketonebased paint, since ketones can attack many plastics possibly damaging the transducer. Reapply anti-fouling paint every 6 months or at the beginning of each boating season. Cleaning Aquatic growth can accumulate rapidly on the transducer’s face, reducing its performance within weeks. Clean the surface with a Scotch-Brite® scour pad and mild household detergent, being careful to avoid making scratches. If the fouling is severe, lightly wet sand it with fine grade wet/dry paper. Installation in a Cored Fiberglass Hull Replacement Transducer & Parts The core (wood or foam) must be cut and sealed carefully. The core must be protected from water seepage, and the hull must be reinforced to prevent it from crushing under the hull nut allowing the housing to become loose. The information needed to order a replacement transducer 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. CAUTION: Completely seal the hull to prevent water seepage into the core. Lost, broken, and worn parts should be replaced immediately. 1. Drill a 3mm or 1/8" pilot hole from inside the hull (see Figure 6). If there is a rib, strut, or other hull irregularity near the selected mounting location, drill from the outside. (If the hole is drilled in the wrong location, drill a second hole in a better location. Apply masking tape to the outside of the hull over the incorrect hole and fill it with epoxy.) 2. Using the appropriate size outside hull hole saw, cut a hole from outside the hull through the outer skin only (see table on page 1). 3. From inside the hull, using the appropriate size hull interior hole saw, cut through the inner skin and most of the core. The core material can be very soft. Apply only light pressure to the hole saw after cutting through the inner skin to avoid accidentally cutting the outer skin. 4. Remove the plug of core material, so the inside of the outer skin and the inner core of the hull is fully exposed. Sand and clean the inner skin, core, and the outer skin around the hole. 5. If you are skilled with fiberglass, saturate a layer of fiberglass cloth with a suitable resin and lay it inside the hole to seal and strengthen the core. Add layers until the hole is the correct diameter. AIRMAR 4 TECHNOLOGY CORPORATION ® Model Hull Nut Washer Isolation Bushing Spacer P19 04-004 09-452 — — B619 02-030 09-452 04-646-01 — B60 02-133-01 09-813-01 — — B75 02-143-01 09-1012-01 — — SS60 02-563-01 09-813-01 — 04-660-01 SS565 02-563-01 09-813-01 — 04-589-01 SS619 02-520-02 09-452 04-646-01 04-186-1 Obtain parts from your instrument manufacturer or marine dealer. Gemeco (USA) Tel: 803-693-0777 Fax: 803-693-0477 email: sales@gemeco.com Airmar EMEA Tel: +33.(0)2.23.52.06.48 (Europe, Middle East, Africa) Fax: +33.(0)2.23.52.06.49 email: sales@airmar-emea.com 35 Meadowbrook Drive, Milford, New Hampshire 03055-4613, USA www.airmar.com Copyright © 2005 - 2011 Airmar Technology Corporation. All rights reserved.
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