Heavy Equipment Repair

How to Replace High Pressure Limit Valve for Fendt 900 Vario COM III?

Here is the instruction show you guide on how to replace high pressure limit valve for Fendt 900 Vario COM III tractor.

 

Preparations:

AGCO EDT 2025

AGCO 2×4 CANUSB

Fendias 2024v2

 

 

Preliminary work:

Drain off transmission oil (approx.87l),unscrew the two screw plugs on the underside of the transmission.

Dismantle 2V3 or 2V4 using socket spanner (SW 27)NOTE:2V3=high-pressure limiting valve, forwards2V4= high-pressure limiting valve, reverse

The high-pressure limiting valves are servo-assisted pressure limiting valves.

New pressure setting: 540 bar

Used pressure setting: 520 + 20 bar

Only replace O-rings if they are damaged, take care with the positioning of the support rings Tighten the2V3 and 2V4 to 250 + 20 Nm, tighten the plug screws to 100 Nm

IMPORTANT: Ifa high-pressure limiting valve (2V3 or2V4)was dismantled for inspection, the transmission must be topped up using the external filling station!

More topics for Fendt tractor,please refer to Fendt tractor trouble repair.

auto

Recent Posts

How to Use JPRO 2025 V3 Diagnostic Software to Perform CTIS Pressure Test

JPRO 2025V3 CTIS Pressure test allow you to measure the pressure of a selected axle group…

3 days ago

How to Solve PCC2300 PowerCommand HMI Screen Does Not Wake Up

This instruction show you guide on how to solve PCC2300 Powercommand HMI screen does not…

6 days ago

How to Solve AGCO Machine SPN100 FMI 01 Oil Pressure Low Alarm

This instruction show you guide on how to solve AGCO machine SPN100 FMI 10 oil…

1 week ago

Valtra BH Series 140-210 Internal Inertial Sensor Temperature Error

Here is the instruction show you guide on how to solve Valtra BH Series 140-210…

2 weeks ago

Caterpillar Excavator Transmission Torque Protection Reset by CAT ET 2025A

This instruction show you guide on how to use CAT ET 2025A to perform transmission…

2 weeks ago

How to Solve JCB Machine SPN 103, FMI 0 Turbocharger Speed too High

Here is the instruction show you guide on how to solve JCB machine SPN 103,FMI…

3 weeks ago