Furuno CSH8LMK2 Installation Manual page 14

1. MOUNTING
5. After screwing the transducer into the main shaft, fasten two socket-screws
(M10 10, supplied).
Rotate transducer
to screw in main
shaft.
6. Clean the top of the shaft with alcohol, install the waterproofing attachment and
apply Loctite (supplied) to the socket screw.
Waterproofing
attachment
7. Inscribe bow mark on the top end of the main shaft and install the fastening band,
O-ring, waterproofing material, cable gasket, cable washer and fastening gland.
Use two socket-set screws (M6 8) to fasten the waterproofing material.
WARNING
When assembling the hull unit, fasten
the fastening band with the torque of
6 to 8 N•m.
If torque is less than the above, water
leakage may occur because the shaft
may loosen and fall.
Note: Tighten hex bolts to torque of 3.92 N•m to 4.90 N•m.
1-6
Coat 50 mm of
shaft with grease.
50 mm
140 mm
Socket-set screw
M10×10, 2 pcs.
Hold here with pipe wrench.
Fastening main shaft to transducer
30 mm
M6 socket-set screw
(Apply Loctite.)
Cleaning the shaft
Bow mark
Installing fastening band and cable gland
Note: Screw shaft 50 mm into
transducer flange.
Shaft
Clean with
alcohol here.
Bow mark
Shaft
retainer
Fastening band
Cable
gland
Tighten cable gland
securely for a gap
of 3 mm.
Waterproofing
attachment
Inscribe line,
referring to bow
mark on transducer.
Fastening band
Gasket
Cable gland
Flat washer