hydraulic problem with my 3 point hitch farmpro 2420
- Thread starter four m
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- farm pro 2420
J_J
Super Star Member
- Joined
- Sep 6, 2003
- Messages
- 18,952
- Location
- JACKSONVILLE, FL
- Tractor
- Power-Trac 1445, KUBOTA B-9200HST
Is any other hyd function working.
Have you checked levels?
Is the pump running.
Do you have a hyd gage?
Do you have any QD's in the flow path?
Have you checked levels?
Is the pump running.
Do you have a hyd gage?
Do you have any QD's in the flow path?
J_J
Super Star Member
- Joined
- Sep 6, 2003
- Messages
- 18,952
- Location
- JACKSONVILLE, FL
- Tractor
- Power-Trac 1445, KUBOTA B-9200HST
Should be a fill cap around the seat area.
Do you have a site glass to check level?
Do you have a site glass to check level?
Tx Jim
New Member
four m
Do you have an operators manual?
Do you have an operators manual?
Hello, I'm new to tractors but have a FarmPro 2420 2WD and the lift arms located at the back of the tractor just stopped working one day while I was connected to an Augger* digging holes for post to go in. I took apart the covers under and in front of the seat just to make sure everything was alright and it is. I then connected a hydraulic gage to the pump quick connect line and no pressure was showing so I replaced the pump and still nothing. I also checked the o-rings and they look fine and dandy. What else could it be? Please help, I have much work to be done. :/
SPIKER
Elite Member
Jkeen21:
Not sure on this one, where did you connect the Hyd Gauge? There should be 0 or low pressure when running and not moving ANY of the valves after the Hyd Gauge. The system is Open Loop that fluid flows out of the hyd res thru filter screen, into hard line and into pump, out of the pump thru valves steering divertor etc flowing freely until one of the spools is moved to divert fluid flow. Te fluid normally just goes straight back to the tank without pressure being developed. Pressure is resistance to flow the more resistance to the flow the more pressure will build. The normal flow simply goes straight thru one valve to the next all way till it goes thru the 3pt lift valve on right side of seat and into the tank to be recirculated. If you have a FEL on and have the valve between the FEL and the Pump by lifting the FEL with a load of rocks in it you will see like 1800+ PSI and if the load is more than the FEL can lift it will max out about 2200PSI where the relieve valve opens and bypasses the FEL cylinders lifting the load.
When you were digging w auger did you pull it UP too far? That will lots of time push the Lift Piston too far up and it cuts the seal in the lift cylinder. To inspect it the seat and the hydraulic tank and all have to come off, there are some procedures for this on line at Johns Tractor site or some of the dealers I think have links too.
Here are some good points for Jinma Maintenance & repair. JinmaInfo4
let us know what and where you were checking and if you may have over extended the hyd 3point to the raise up spot.
FYI: FOR ANYTHING JINMA OR CHINA TRACTORS GO TO THE CHINESE TRACTOR PAGE 3/4 DOWN TBN. Chinese Tractors
Mark
Not sure on this one, where did you connect the Hyd Gauge? There should be 0 or low pressure when running and not moving ANY of the valves after the Hyd Gauge. The system is Open Loop that fluid flows out of the hyd res thru filter screen, into hard line and into pump, out of the pump thru valves steering divertor etc flowing freely until one of the spools is moved to divert fluid flow. Te fluid normally just goes straight back to the tank without pressure being developed. Pressure is resistance to flow the more resistance to the flow the more pressure will build. The normal flow simply goes straight thru one valve to the next all way till it goes thru the 3pt lift valve on right side of seat and into the tank to be recirculated. If you have a FEL on and have the valve between the FEL and the Pump by lifting the FEL with a load of rocks in it you will see like 1800+ PSI and if the load is more than the FEL can lift it will max out about 2200PSI where the relieve valve opens and bypasses the FEL cylinders lifting the load.
When you were digging w auger did you pull it UP too far? That will lots of time push the Lift Piston too far up and it cuts the seal in the lift cylinder. To inspect it the seat and the hydraulic tank and all have to come off, there are some procedures for this on line at Johns Tractor site or some of the dealers I think have links too.
Here are some good points for Jinma Maintenance & repair. JinmaInfo4
let us know what and where you were checking and if you may have over extended the hyd 3point to the raise up spot.
FYI: FOR ANYTHING JINMA OR CHINA TRACTORS GO TO THE CHINESE TRACTOR PAGE 3/4 DOWN TBN. Chinese Tractors
Mark
