Effective troubleshooting of shale shaker equipment minimizes downtime and maintains solids control performance. Aipu Solids Control provides this troubleshooting manual based on extensive field experience with our equipment operating worldwide.
Screen Blinding and Fluid Pooling
When drilling fluid pools on screens rather than passing through, several causes should be investigated. Screen blinding from sticky clays or polymer accumulations requires cleaning or mesh size adjustment. Verify that flow rate does not exceed shaker capacity for the current screen configuration. Check for excessive solids loading that overwhelms screen capacity. Aipu quick-change screens allow rapid mesh adjustment, while adjustable deck angles can increase cuttings conveyance velocity to clear accumulated solids.
Abnormal Vibration Patterns
Changes in vibration characteristics indicate developing problems. Check motor mounting bolts for proper torque using calibrated tools. Measure motor current on all phases to detect electrical imbalance. Compare vibration measurements to baseline values documented during commissioning. Worn motor bearings produce characteristic noise patterns that experienced personnel can identify. Aipu provides commissioning baseline data in equipment documentation for diagnostic comparison.
Screen Wear and Failure Investigation
Premature screen failure requires investigation beyond simple replacement. Check screen support rails for wear or damage that concentrates stress on screen panels. Verify proper screen tension—loose screens wear rapidly from impact loading. Examine failed screens for patterns indicating the failure mechanism: impact damage, abrasion, fatigue, or manufacturing defects. Aipu technical support can assist with failure analysis to prevent recurrence.
Electrical and Control Issues
For starting problems, verify supply voltage and phase presence at motor terminals. Check control circuit fuses and overload settings. Test emergency stop circuit continuity. For intermittent operation, inspect connections for looseness or overheating. Motor overheating may indicate voltage imbalance, overloaded conditions, or bearing deterioration. Document all troubleshooting findings for maintenance records and trend analysis.
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