Furuno CH-500 User Manual

6. MAINTENANCE, TROUBLESHOOTING
6-3
6.3.2 Manually raise/lower the transducer
1. Turn off the breaker on the hull unit.
2. Turn the nut with a 19 mm ratchet wrench.
3. Check that the transducer raises and lowers smoothly, from the upper limit to the
lower limit positions. If the transducer cannot be raised/lowered smoothly, do not
use excessive force; the shaft may bend, causing damage to other components.
4. Check the soundome and tank. Remove any marine life with fine sandpaper or a
piece of wood.
The motor can cause injury when rotating.
Turn off the power at the ship’s
mains switchboard before
conducting the procedure below.
WARNING
Attach ratchet
wrench here.

Furuno CH-500 Specifications

General

Brand	Furuno
Model	CH-500
Category	Sonar
Language	English