Furuno CH-37 manual How to fasten main shaft to soundome assembly

4.Fasten the main shaft to the soundome assembly as follows:

a)Attach screw lock nut to main shaft.

b)Fully screw main shaft into the soundome neck, and then unscrew by four turns. Coat threads with adhesive (HIGH SUPER).

c)Screw in main shaft completely and tighten the lock nut with spanner.

d)Tighten socket-set screw on lock nut.

e)Fasten two reinforce metal fittings to connect the main shaft and the soundome assembly securely (Not using the stopper washer).

While holding soundome neck with pipe wrench, tighten lock nut with wrench.

Lock nut

Reinforcement metal fittings

Apply adhesive (HIGH SUPER).

Set screw

Reinforcement

metal fittings M10 × 100 SW, PW, Nut

Figure 1-6 How to fasten main shaft to soundome assembly

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