Airmar P48W Owner'S Manual And Installation Instructions Download Page 4

Page: 4 / 6

1. Purchase a stainless steel band clamp, available in the plumbing

section of most hardware stores. Be sure to measure the
circumference of the trolling motor to determine the correct size.

2. Loosen the screw in the band clamp so that one end of the

band is free. Pass the free end through the two slots in the
trolling housing (see Figure 7).

3. Wrap the band clamp around the motor case with the

transducer located on the underside (see Figure 8). Tighten the
screw on the band clamp.

NOTE

: If the motor has a strut that shades the transducer, it will

not significantly reduce the transducer’s performance.

4. Route the cable around the side of the motor case and along the

support tube. Secure the cable to the support tube with cable ties.

NOTE:

Allow sufficient cable so the user can change the beam

angle of the transducer.

5. Route the cable to the echosounder being careful not to tear the

cable jacket. To reduce electrical interference, separate the
transducer cable from other electrical wiring.

Figure 7. P48W: Trolling motor adapter

screw (2)

boss (2)

transducer

trolling

spring

slot for
band clamp (2)

housing

(6 x 3/4

Figure 6. P48W: Transom housing

screw (2)

cover

transducer

spring

transom

housing

(6 x 1/2

Figure 8. P48W: Trolling motor mount

support tube

band clamp

transducer

cable

cable ties

electrical 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
leave the boat in the water unchecked for more than three hours.

P48W: Trolling Motor Mount

Assembling the Adaptor

1. Remove the transducer from the transom housing by first

removing the two screws and the cover (see Figure 6). Lift out
the transducer and the spring.

2. Insert the spring and transducer in the trolling housing (see

Figure 7).

3. Slide the locking ring along the cable until it rests against the

transducer.

Be sure the bosses on the locking ring engage the

recesses in the trolling housing

4. Using the two 6 x 3/4" screws supplied, screw the locking ring

onto the trolling housing.

Be sure the notches in the locking ring

mesh with the notches on the top of the transducer

Hand-tighten only

Do not over-tighten.

NOTE

: Do not use the screws from the transom housing.

Locating & Installing the Adaptor

CAUTION

: Do not put tension to the cable where it exits the

transducer, since excessive force can break internal connections.

CAUTION

: On bow mounted motors, be sure the cable route does

not result in pinching the cable when the motor is in the “up” position.

NOTE

: It may be easier to adjust the beam angle before the

transducer is mounted on the trolling motor. See “P48W:
Operating” on page 5.

lock ring

recess (2)

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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Airmar P48W, Owner'S Manual And Installation Instructions, Page: 4 / 6

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