TM 9-2320-209-20-3-4 f. Repair of Flexible Shaft Assembly. The only repair that can be made to the flexible shaft assembly is to replace core. Refer to para 22-4e and 22-4g of this procedure. g. Replacement of Flexible Shaft Core. NOTE Before putting back flexible shaft core, check that it has no dents, sharp bends or other damage. If casing is damaged, do not put back core. Get a new complete flexible shaft assembly. FRAME 1 1. Put keyed end (1) of core (2) into speedometer end (3) of casing (4) that has the smaller coupling nut. 2. Carefully push core (2) through casing (4) until keyed end (1) seats in trans- fer end (5) of casing. Square end (6) should stick out of speedometer end (3) of casing as shown. 3. Put on retaining clip (7). END OF TASK 22-23