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||Have a 2140 with loader chatting bad when cold not so bad when tractor warms up oil is good changed filter old filter clean and good condition when removed noticed pump in front end pounding pretty bad when cold would this be a pump rebuild or a supply problem any way of checking without special gauges any ideas would help thanks Bob
||Make a test gauge by using a Valley instrument gauge GXB3000 with a 1/4" nptf coupled to a Pioneer VP8010-4 iso coupler to fit into your remote hydraulic socket. You'll need a 1/4 to 1/2 NPTF reducing coupler to join both together. Normal pressure range is 1800 - 2300 psi. If possible, remove move pump and take in to check GPM flow and pressure to determine if rebuild necessary.
||Thanks for info Ed had pump rebuilt everything working alot better Bob
| J Pen
||if any more problems persist I've had most of mine had hi psi leaks in 3 point hitch circuit and then as it warms up the trans oil gets to hot and trans pump cant supply front pump properly