Saturday, 16 February 2019

TROUBLE IN HYDRAULIC PUMP fault 4

Trouble in Hydraulic Pump

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This is a series of trouble shooting technique  for the track machine working in Indian Railway.  When you study  this you able to rectify a fault of machine. If this is helpful for you than share with others. It may helps them. Thanks for sharing.

Now we study about "Hydraulic Pump"
4) Fault :-  Pump develops  no pressure.

Probable causes and Remidial action.

1. Wrong pressure setting. 
=> Modify the pressure setting. 
2    Pressure valve  spool stuck. 
=>  Repair/Replace the valve. 
3.  Leakage in system. 
=>  Replace defective parts. 
4.  Pump shaft broken.  
=>  Replace shaft . 
5.  System contaminated. 
=>  Flush system completely . 
6.  Improper  gaskets and seal. 
=> Replace seals and gaskets. 

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