Furuno CH-500 Installation Manual page 30

1. MOUNTING
Soundome shaft
• 1.17/1.97 m soundome shaft: Pass two flat washer, gasket and cable gland
through the transducer cable, then fasten the cable gland to the shaft.
Note: If the 1.17/1.97 m soundome shaft is shortened, attach the optional wa-
terproof attachment kit (OP06-27) to the top of the soundome shaft, see
section 1.6.5.
Soundome
14. Insert the supplied grease cotton (V8133L) to the flange assembly as follows:
The grease cotton is supplied with the flange assembly.
1) Remove two hex. bolts (M8 25) and flat washer from the flange assembly to
remove the cotton retainer.
2) Wrap the supplied grease cotton to the soundome shaft.
3) Mark on the grease cotton as shown in the following below and unwrap the cot-
ton, then cut the cotton along the mark.
Note: Unwrap the grease cotton from the soundome shaft before cutting the
cotton. If the grease cotton is cut with the cotton wrapped to the soundome
shaft, the shaft can be damaged.
4) Wrap the grease cotton to the soundome shaft again, then push the cotton into
the flange assembly.
5) Reattach the cotton retainer.
1-20
Pipe cap
Transducer cable
Flat washer
Cable gland
Gasket
shaft
Transducer cable
Wrap the grease cotton to
the soundome shaft at least
three times and cut it
diagonally, as shown below.
Flat washer
Cotton retainer
Pipe cap
Soundome
shaft
3 mm
Tighten the pipe cap for
gap of approx. 3 mm.
Cable gland
Soundome
shaft
3 mm
Tighten the cable gland
for gap of approx. 3 mm.
Spread the joints of the grease
cotton so they are approx. 120°
apart, then push them into the
flange assembly.
Hex. bolt (M8×25)