Becker TLF 2.250 - Vane Breakage Troubleshooting and Repair; Common Causes of Vane Breakage

Vane Breakage
• Troubleshooting:
o Vane breakage after commissioning.
 Rotor turns backwards. (Check the electrical connection!)
 Pump has been stored in very humid ambient.
• Swelling of vanes; corrosion on surfaces.)
o Vane breakage
 Too many start/stops.
• Limit 6 per hour.
 Rotor turns backwards due to missing check valve.
 Overload (Clogged filter cartridges).
 Grease was not removed from the face of the end-shield causing the vane
to stick in the slots.
 Non-Becker Vanes are used.
 Vanes cupping due to overheating.
 Blocked Relief valve.
 Pump was not configured for altitude.
 Too much discharge plumbing.
 Rotor has swelled due to overheating and contacted the end-shields.
• If you see signs of contact, call your Local Becker representative.
End-Shield - contact
Rotor - contact
Cupping
Chipping
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