Introduzione
If your Alphacool Eispumpe VPP755 V.1 or V.2 makes a grinding sound during operation, stops and starts randomly or doesn't seem to flow liquid, use this guide to replace the impeller thrust washers.
The thrust washers provide a low friction surface for the impeller to spin against during operation. Damaged or defective thrust washers can cause the pump to omit a loud grinding noise and negatively affect its performance.
Step 6 requires you to carefully remove the keeper washer and is the most difficult task for this guide as the keeper can break if removed too aggressively.
Before beginning, make sure the pump is disconnected from any power source.
Cosa ti serve
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Remove the eight 3.5 cm M4 hex screws securing the pump to the shroud.
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