GENERAL TROUBLE SHOOTING
The trouble shooting is available in type specific instructional manuals.
However the most common causes of trouble arises out of Misalignments and Incorrect Oil level. These deficiencies results into failure of fluid couplings input & output shafts flexible couplings, leakages and fusible plugs blow off.
It is strongly recommended to do proper alignment of the driver and driven shafts and monitor the alignment at regular intervals or whenever there is change in behaviour of the coupling. Similarly oil should be checked periodically.