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 Select JCB Machine AJ45E Machine Software

There are three software options for Machine Software on AJ45E&EH machines.   Related Contents: 2025 JCB…

3 days ago

How to Solve Doosan Excavator U010F CAN-Receive-Frame DPM1 Timeout Error

Here is the instruction show you how to solve Doosan Stage V engine excavator U010F…

6 days ago

Ford EEC V ANIL and ENIO Electrical Controller Modules Pinout

Ford EEC V ANIL and ENIO Electrical Controller Modules Pinout   INDIGO Vehicles: With 1.0…

1 week ago

How to Solve Cat C9 Engine PID 102-3 Boost Pressure Voltage High?

Here is the instruction show you guide on how to solve Caterpillar C9 engine PID…

2 weeks ago

How to Solve Detroit DDDL Troubleshooting Expired 365 Days old?

Here is the instruction show the guide on how to solve Detroit DDDL 8.21/8.20/8.19 troubleshooting…

2 weeks ago

Kubota L3301 L3901 L4701 Tractor Hydraulic Cylinder Assembly Guide

Here is the instruction show you guide on how to assemble Kubota L3301 L3901 L4701…

2 weeks ago