Mounting Of Transducer Tank; Assembling And Mounting Of Hull Unit; Necessary Tools - Furuno CH-300 Installation Manual

1. MOUNTING

Mounting of transducer tank

Install the transducer tank referring to the hull unit outline drawings at the back of
this manual.
Note 1: When making a retraction tank locally, the inside diameter of the
retraction tank should be 190 0.5 as shown in the outline at the back of this
manual. If larger, the hull unit may be damaged.
Note 2: Locate the retraction tank so that the center of any two bolt holes is
facing the ship's bow.
1.4.4

Assembling and mounting of hull unit

The hull unit is shipped as the parts shown in the hull unit kit in the Equipment
Lists (page v). Assemble the hull unit as shown in the procedure below.
Note: Confirm the frequency of soundome before mounting by referring to the
table below.
Frequency
60/153 kHz
85/215 kHz

Necessary tools

Name
Wrench
Wrench
Pipe Wrench
Ball Wrench
1-10
Specification
There is NO label attached on the dome.
There is the label "85/215 kHz" attached
on the dome.
Specification
For M10 (Hex. size 17 mm)
For M20 (Hex. size 30 mm)
55 mm
Hex size 4 mm
a=b
a
Bow
b
Remarks
Recommended: double offset wrench
For fixing gland
For fixing the dome
For 85/215 kHz, the label is
attached here.