Abnormal sound from E7 Wat torque converter while self sequencer is attending reset stroke of Ratchet mechanism.

Jaw clutch is being installed in our frame 6b GE gas turbine,for starting means system Diesel is connected with voith torque converter, Torque also included Ratchet mechanism and output gears ,which is finally connected to AGB shaft through jaw clutch.
During reset stroke of Ratchet mechanism we have observed abnormal sound and Ratchet system take too long time to attend reset stroke (10Sec+),PL let's us know the possible cause.