2 1.1 1.5 1.2 1.4 1.3 BALANCE HARDWARE 1.0 Complete driveshaft assembly. 1.1 Tube and flange assembly 1.2 Geareducer yoke assembly with set screw 1.3 Motor yoke assembly with set screw 1 ... Marley driveshafts consist of a motor and Geareducer yoke with rubber bushings and a tube and flange assembly. Driveshafts are balanced dynamically and tube and yoke flanges are match-marked. See Figure 3. Do not change position or relation of match-marked components during installation. Driveshafts must be rebalanced whenever yokes or tube and flange assemblies are replaced. The driveshaft may be rebalanced on the tower. See instructions on page 6...