Furuno CSH-8L Installation Manual page 15

7. Inscribe bow mark on the top end of the main shaft and install the fastening band, O-ring,
waterproofing material, cable gasket, cable washer and fastening gland. Use two
socket-set screws (M6x8) to fasten the waterproofing material.
WARNING
When assembling the hull unit, fasten
the fastening band with the torques of
6 to 8 N m.
If torque is less than the above, water
leakage may occur because the shaft may
loosen and fall.
Note: Tighten hex bolts to torque of 3.92 N·m to 4.90 N·m.
8. Install grease cotton on the main body as below.
a) Wind grease cotton onto main shaft.
b) Mark on the cotton as below.
c) Remove the cotton from the shaft, and then cut it at the position of the mark. Discard the
ends.
d) Wind cottons as shown below.
e) Push cottons into the main body flange.
f) Tighten the grease cotton retainer.
BOW mark
Installing fastening band and cable gland
Wind grease cotton
onto main shaft and
cut as below.
Flat washer
Tighten grease
cotton retainer for
gap of 7 to 9 mm.
Setting grease cotton
BOW mark
130 mm
Shaft
retainer
Fastening band
Fastening gland
Cable washer
Cable gasket
Waterproofing material
O-ring
Space joints of cotton at 120° and push
into main body flange.
120°
1. MOUNTING
Inscribe mark in
line with bow mark
on transducer.
Fastening band
Tighten to torque of 6-8 N cm.
Waterproofing material
Cable gasket
Cable washer
Fastening gland
Socket-set screw
O-ring
1-7