TM 9-2320-209-20-3-4 e. Removal of Flexible Shaft Core. FRAME 1 1. Take off 2. Take out NOTE Flexible shaft assembly does not have to be taken out of truck to replace core. However, shaft assembly must be taken off at tachometer end and engine end. clip (1) from engine end of shaft core (2). shaft core (2) from casing (3) by pulling on tachometer end (4) of core, using pliers. 3. If shaft core (2) is broken, use pliers on engine end (5) to pull out other piece. END OF TASK 22-8