APPENDIX
AP-2
· Chamfer the top of the main shaft as shown below. (When chamfering with a file, use a
fine file and finish the surface as smooth as possible.)
· When clamping the main shaft with a clamp, take care not to hurt the shaft surface.
· When a metal saw is used to cut the main shaft, finish the shaft top so that it is level
within 3 mm.
3 mm or less
C1
R1
3. Temporarily install the waterproofing attachment on the top of the main shaft and make
holes for socket-set screws.
Waterproof
attachment
30 mm
Shaft
O-ring
M6 socket-set screw
Push in fully. (O-ring will resist.)
a) Mark drilling point on the shaft surface by tightening M6 socket-set screws (2 pcs.)
b) Remove the waterproofing attachment.
c) Drill less than 2 mm deep holes by using a drill with a Ø5 mm and 120° tip. Do not drill
holes through the shaft. Use a low rpm drill designed for stainless steel use.
2 mm or less
5 mm
Cut level.
4. Remove the sheath of the transducer cable and wrap the sheath end vinyl tape.
Flange
L
Remove sheath
L = Main shaft length + 100 mm
5. Pass the main shaft through the main body flange and assemble the hull unit. Refer to
chapter 1 for the assembling procedure.
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