Airmar R199 Owner'S Manual & Installation Instructions Download Page 1

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In-Hull, 2-3kW

Transducer

Models: 

R199, R299, R399

R111LH, R111LM, R599LH, R599LM

U.S. Patent No. 7,369,458. UK Patent No. 2 414 077. U.S. Patent Pending

Tools & Materials

Safety goggles
Dust mask
Wrench:

9/16" wrench

Rope
Detergent (some installations)
Weak solvent (such as alcohol)
Disk sander (some installations)
Thin sealable plastic bag (some installations)
Cable ties (some installations)
Water-based lubricant (such as K-Y

®

 jelly) (some installations)

Carpenter’s level
Pencil
Saw
Scissors
Sand paper:

80 grit

Bonding material

 (see www.airmar.com for additional brands):

Fiberglass resin:

Bondo 401
West Marine #1937762

or

 Marine-Tex epoxy putty (14 oz. pack)

or

 3M™ Marine Adhesive/Sealant 5200

Propylene glycol

 (non-toxic anti-freeze/coolant)

Funnel
Grommet(s) (some installations)

Applications

• Fiberglass hulls only
• Recommended for high-speed boats
• Accommodates a deadrise angle up to: (see Figure 1)

12° on the long side of the tank
22° on the short side of the tank

• Operates at 

tank fill-liquid

 temperatures up to 60° C (140° F)

Assembling the Transducer

1. Remove the paper backing from the adhesive side of the gasket. 

With the adhesive side facing the plate, align the holes and 
edges of the gasket with the under side of the plate (see 
Figure 2). Press the gasket firmly into place.

2. Thread the cable through the cable hole in the gasket and plate.
3. Rest the plate on the transducer with the gasket side down and 

align the mounting holes. Fasten the plate to the transducer. 
Use four of the hex-head bolts and lock washers supplied. 
Lightly tighten with a 9/16" socket or wrench. 

Do not over 

tighten the bolts

.

4. Thread the cable under the handle as seen in the drawing above.

Figure 2. Assembling the transducer 

(R299/R399 shown)

Record the information found on the cable tag for future reference.

Part No._________________Date___________Frequency________kHz

bolt (4)

lock

transducer

gasket

plate

cable

cable

(adhesive

 side up)

Copyright © 2006 Airmar Technology Corp.

washer (4)

hole

Figure 1. Maximum cutting angle 

Copyright © 2006 Airmar Technology Corp.

12º

22º

INSTALLATION INSTRUCTIONS

OWNER’S GUIDE      &

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.

CAUTION

: Do not install in a hot place. The 

transducer may fail if the temperature of the fill-liquid 

in the tank exceeds 60° C (140° F). 

CAUTION

: The fiberglass hull below the transducer 

must be solid. The transducer will not transmit through 

coring material such as foam or balsa wood.

CAUTION

: Never pull, carry, or hold the transducer by 

the cable. This may sever internal connections.

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

: Please read the instructions 

completely before proceeding with the installation. 

These instructions supersede any other instructions in 

your instrument manual if they differ.

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