Airmar P48W Owner'S Manual And Installation Instructions Download Page 6

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knob is facing 90

°

 and the cable exits near the bracket at about 

the 45

°

 mark.

3. Using the two 6 x 1/2" screws supplied, fasten the cover onto 

the transom housing.

 Hand-tighten only

Do not over-tighten.

NOTE

: Do not use the screws from the trolling motor adaptor.

Anti-fouling Paint

Aquatic growth can accumulate rapidly on the sensor’s surface 
reducing performance within weeks. Surfaces exposed to salt 
water 

that do not interlock

, must be coated with anti-fouling paint. 

Use 

water-based

 anti-fouling paint only. Never use ketone-based 

paint, since ketones can attack many types of plastic possibly 
causing damage to the sensor. Apply paint every 6 months or at 
the beginning of each boating season.

Maintenance

Cleaning

Clean the transducer’s face with a Scotch-Brite® scour pad and 
mild household detergent taking care to avoid making scratches. 
If the fouling is severe, lightly wet sand with fine grade wet/dry 
paper.

Damaged Cable Jacket

1. Should the outer jacket of the cable be abraded or cut, check 

that the internal conductors are not damaged.

2. If the conductors are damage free, allow the cable to dry and fill 

the damaged area with sealant.

3. Cover the damaged area with electrical tape.

Severed Cable

1. Slide heat-shrink tubing onto the cable.
2. Splice each pair of matching colored conductors with rosin core 

solder.

3. Wrap each conductor with insulating tape at the splice.
4. Splice the braided shield wire with solder.
5. Fill the spliced area in the cable with sealant.
6. Cover the damaged area with the heat shrink tubing, following 

the manufacturer’s directions for its use.

NOTE

: If the instrument fails to provide a reading, the problem 

may not be the damaged cable. The transducer, connector, or 
instrument could be defective.

Replacement Parts & Accessories

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.

Lost, broken, and worn parts should be replaced immediately.

Bracket & Wedge Kit

33-491-01

Portable Bracket Kit

33-076-01 (see Figure 9)

Trolling Motor Kit

33-653-02 (see Figure 7)

Obtain parts from your instrument manufacturer or marine dealer. 

Gemeco

Tel: 803-693-0777

(USA)

Fax: 803-693-0477
email: [email protected]

Airmar EMEA

Tel:  +33.(0)2.23.52.06.48

(Europe, Middle East, Africa) Fax: +33.(0)2.23.52.06.49

email: [email protected]

6

35 Meadowbrook Drive, Milford, New Hampshire 03055-4613, USA 

 

www.airmar.com 

Summary of Contents for P48W

Page 1: ... s P48W Not recommended for stepped transoms because the transducer will be difficult to adjust Vertically orients sound beam on hull with deadrise angle up to 22 Adjusts to transom angles from 2 22 Requires 89mm 3 1 2 of headroom to install Release bracket protects sensor from frontal impact only P48W Trolling Motor Kit adapts transducer for use with a trolling motor or optional Portable Bracket ...

Page 2: ...at may be supported during trailering launching hauling or storage For the best performance the transducer s face must be in contact with smooth water To identify an area of clean water observe the water flow off the transom while the boat is underway Allow headroom space above the bracket for it to release and rotate the sensor upward Mount the sensor as close to the centerline keel of the boat a...

Page 3: ...e the waterline 1 If a hole must be drilled through the transom choose a location well above the waterline see Figure 3 Check for obstructions such as trim tabs pumps or wiring inside the hull Mark the location with a pencil Drill a hole using the appropriate size bit to accommodate the connector 2 Route the cable over or through the transom 3 On the outside of the hull secure the cable against th...

Page 4: ...ectrical wiring and the engine s Coil any excess cable and secure it in place with cable ties to prevent damage 10 Refer to your echosounder owner s manual to connect the sensor to the instrument Checking for Leaks When the boat is placed in the water immediately check for leaks around the screws and any other holes drilled in the hull Note that very small leaks may not be readily observed Do not ...

Page 5: ... size beam width in both directions 90 12 38 Maximum detection while boat is moving forward Good high speed bottom detection Fish arches are not pronounced or may not be evident Transom Mount Adjusting the Beam NOTE The knob corresponds to the shape and position of the transducer s beam To change the beam s orientation relative to the boat grasp the transducer s knob push down rotate to the desire...

Page 6: ... with sealant 3 Cover the damaged area with electrical tape Severed Cable 1 Slide heat shrink tubing onto the cable 2 Splice each pair of matching colored conductors with rosin core solder 3 Wrap each conductor with insulating tape at the splice 4 Splice the braided shield wire with solder 5 Fill the spliced area in the cable with sealant 6 Cover the damaged area with the heat shrink tubing follow...

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