The ballistics drive has a cross shaft assembly (1) with support assemblies (2) and (3) which are fastened
to mounting pads on the turret roof. A temperature compensating rod (4) with rod mounting bracket (5)
is fastened to a pad inside the turret wall. A trunnion link (6) is connected to the gun trunnion. A fire
control level (7) is mounted on the connecting arm (8). A coupling assembly (9) connects the ballistics
drive to the elevation arm wedge of the M32C periscope.
Para 1-3 Cont