Trouble in Hydraulic Unloader Valve
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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 Unloader Valve"1) Fault :- Low or No pressure.
Probable causes and Remidial action.
1. Orifice of main piston choked.
>> Clean the orifice.
2. Vent connection open to tank.
>> Plug the vent connection.
3. Safety valve at zero setting
>> Set the safety valve at proper pressure.
4. Broken or weak spring
>> Replace the spring.
5. Worn ball or seat.
>> Replace. the ball or seat.
Now we study about "Hydraulic Unloader Valve"
1) Fault :- Low or No pressure.
Probable causes and Remidial action.
1. Orifice of main piston choked.
>> Clean the orifice.
2. Vent connection open to tank.
>> Plug the vent connection.
3. Safety valve at zero setting
>> Set the safety valve at proper pressure.
4. Broken or weak spring
>> Replace the spring.
5. Worn ball or seat.
>> Replace. the ball or seat.
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