42d4f178_s__electric_submersible_pumps___Check
[Sr.No.] 9 [Possible Cause] Motor shaft uncoupled [Corrective Action] Tighten all connections and setscrews. Replace parts if worn out. [Check] 
Coupling between motor and pump shaft may have worn out or worked loose. Inspect for this after pulling the pump and looking for worn components, as in step 8.
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