Furuno CH-250 SONAR User Manual


 
13
The table below shows tank length and necessary shim thickness. In addition, the shim
thickness shown is for one side. For example, when cutting the 1800 mm tank to 800 mm, the
tank inside diameter is 191.25 mm, shim thickness is 2.5 mm as shown the table in below.
0
200
400
600
800
1000
1200
1400
1600
1800
189 190 191 192 193 194
Tank inside dia. Φ B (mm)
Length A (mm) tank shortene
d
0
1
2
3
4
5
6
7
8
Shim thickness (mm
)
For 1 m tank
For 1.8 m tank
Shim thickness
The table below shows number of shims required and shim thickness.
Shim thickness 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
t2.0 1111222222
t1.0 11 11 1122
t0.5 1111111
Inside dia of tan
k
188.1 188.7 189.3 189.9 190.5 191.1 191.7 192.3 192.9 193.5 194.1 194.7 195.3 195.9