Furuno FE-700 Installation Manual page 16

8. Grease O-ring (P170) and seachest cap lightly, and attach O-ring (P170) and gasket 2 to
the bottom of seachest cap.
O-ring (P170) and gasket 2 are attached by adhesion of grease.
9. Place the assembly made at step 8 on the gate valve.
10. Fix the assembly with bolts, nuts and washers loosely.
11. Unscrew nuts from flange 2, and confirm that shaft can be moved up and down smoothly by
hand.
You will feel some resistance because of the O-ring (P135). (See the illustration on the
previous page.)
12. Fasten the gate valve with bolts, nuts and washers above and below.
NOTE) When installing a transducer, do it before step 7 or after removing the seachest cap
and the shaft assembly.
Flange 2
10
Nut
Washer