On June 6, 2007 pump failed to operate. After diagnosis the pump, the following parts were damaged:
(see attached picture)
The above mentioned parts, minor kit, and valve cover wire filters (large and small) were replaced. After installing these parts and operating the pump, it was making a little noise. Pump was taken apart again and there were some marks on the main flange and first stage rotor and it happened probably because of tight clearances . Deepak machined the parts carefully and pump was assembled again. It functioned very good oil needs to be changed after roughly 200 hours of operation.
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