1. MOUNTING
1-21
Note:
After attaching the cotton re-
tainer, confirm that the gap between
the cotton retainer and flange assem-
bly is 7 to 9 mm. If water leaks around
the cotton retainer, the grease cotton
may not be attached correctly. Reat-
tach the grease cotton.
15. Loosen twelve socket head cap screws (M5
u
20), using the supplied ball wrench,
to remove the soundome.
Note:
Do NOT unfasten the screws on the side of the soundome. Oil may leak in-
side.
16. Do the following works after removing the soundome, referring the figure on next
page.
• Rotate the transducer 4 or 5 turns by hand to make sure that turning mecha-
nisms are functioning properly.
• Remove the protective sponge from the soundome, then discard it.
• Apply lithium grease (supplied locally) to the O-ring and groove of the O-ring.
For recommended lithium grease, see page 1-1.
Cotton
retainer
Grease
cotton
Soundome
shaft
7 to 9 mm
Protective sponge
Soundome
O-ring
Socket head cap screw
(M5×20, 12 pcs)
Spring washer
Remove the protective
sponge from the soundome,
then discard it.
Rotate the transducer 4 or 5
turns by hand to make sure that
turning mechanisms are
functioning properly.
Transducer
NOTICE
Do not unfasten truss head screws.
Oil may leak inside.
Truss head
screw
Apply lithium grease (supplied
locally) to the O-ring and groove for
the O-ring. After applying grease,
make sure the O-ring is correctly
seated in the groove.
Do not apply substances which
contain organic solvents (alcohol,
thinner, etc.) to the soundome.
Chemical cracking may occur.
Torque:
4.5 N•m
Summary of Contents for CH-500
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