How to diagnose an elevator link tilt actuator fault on an NOV TDS-11SA / Ideal top drive
A link tilt actuator fault stops pipe handling operations. Check the hydraulic supply, solenoid valve, and actuator cylinder before dispatching to the rig floor.
~30 min7 steps
How to diagnose main shaft bearing failure on an NOV TDS-11SA / Ideal top drive
Rising vibration and bearing temperature on a top drive main shaft indicate bearing wear. Log baseline readings and plan a bearing inspection at the next stand connection opportunity.
~45 min7 steps
How to fix a wash pipe seal leak on an NOV TDS-11SA / Ideal top drive
A leaking wash pipe seal causes mud loss and can spray drilling fluid onto rig personnel. Replace the wash pipe packing at the earliest drill pipe connection.
~30 min7 steps