Furuno CH-37 manual Filling the soundome with sonar oil

2.Fill the soundome with sonar oil 6 cm below the top of the dome. (Use only the specified sonar oil. Use of other sonar oils may affect performance.) Reat- tach the soundome.

		Frequency (kHz)
	60		81	113	162
Sonar oil 4L	No		Yes	Yes	Yes
(000-824-033)
Super sonar oil 4L	Yes		No	No	No
(000-804-568)

Ball wrench

Sonar oil

5 cm

Use packing material to support soundome.

CAUTION

WORKING WITH THE SONAR OIL Precautions

∙Keep oil away from eyes. Wear protective gloves when working with the oil. The oil can cause inflammation of the eyes.

∙Do not touch the oil. Wear protective gloves when working with the oil. The oil can cause inflammation of the skin.

∙Do not ingest the oil. Diarrhea or vomiting can result.

∙Keep the oil out of reach of children.

Emergency

∙If the oil enters eyes, flush with clean water about 15 minutes. Consult a physician.

∙If the oil contacts skin, wash with soap and water.

∙If the oil is ingested, see a physician immediately.

Disposal of oil and its container

Dispose of oil and its container in accord- ance with local regulations. For further details, contact place of purchase.

Storage

Seal container to keep out foreign material. Store in dark place.

Figure 1-4 Filling the soundome with sonar oil

3.Shorten the main shaft by the length of Lt + 110 mm, where Lt is the length of the retraction tank. When the retraction tank length is 1 meter do not shorten the 1.17 meter main shaft.

Supplied Length: 1.17 m (2.2 m, 3.8 m)

Lt + 110 mm

Take care not to	Chamfer edge to
scratch.	protect O-ring from
	damage.

Figure 1-5 How to shorten the main shaft

1-4