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Maintenance for DRP-17

Date: 
Thursday, March 16, 2017
Synopsis: 
STANDARD OVERHAUL
Equipment/Beam Line: 
Description: 

This pump and DRP-15 were sent for STANDARD OVERHAUL. Please see attachment for repair quotation.

Hour meter: 6975 hrs

Requisition number for repair: 1022841

Disassembly Observations:  
Pump does not start.
>
>    Frequency converter is in good condition.
>
>    Pump doesn't spin by hand.
>
>    Oil is a little dark and may have some moisture.
>
>    Oil found in all stages of the pump.
>
>    Lip seals are in bad condition.
>
>    Gears are in good condition.
>
>    Bearings will spin by hand.
>
>    Driven shaft sized on the pass through hole on the LP1 and exhaust
> stator.
>
>
>
>
>
> This pump also seems to sit for long periods of time due to the age of
> the pump and the number of hours. We found oil in all stages of the
> pump which is a indication that the seals failed. The pump should also
> run for half an hour every couple of months when it is not used to
> help keep the seals and bearings lubricated.

 

Document: 
Author: 
Rahim Abasalti