Q3. A. Sketch a transmission shaft coupling which enables the propeller shaft to be withdrawn outward.
(a) describe the coupling and the method fitting and dismantling;
(b) state how the grip of the coupling can be checked when fitted;
(c) State what safety precaution should be taken when dismantling the coupling.
Q3. With regards to main transmission shaft flange coupling arrangements:
A. Sketch a hollow type coupling bolt and the hydraulic head/nut and loading rod which are used to fit it. (8)
B. Describe how the bolt is fitted. (4)
C. State the advantage of the hollow coupling bolt as compared to the traditional type of coupling bolt. (4)
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