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

MANITOU MT6034 Telehandlers PWP System Deactivation Tests

This instruction show you guide on how to do deactivation test for MANITOU MT6034 telehandlers…

3 days ago

How to Solve Liebherr Machine ECU2 P1119 SCR System Plausibility Error

This instruction show you guide on how to solve Liebherr machine ECU2 P1119-00 trouble code…

5 days ago

Bobcat Machine P18A5 Suction Line Heater Open Error Solution

This instruction show you guide on how to solve Bobcat machine trouble code P18A5 suction…

1 week ago

AGCO Machine SPN 102 – FMI 31 Intake Manifold Pressure Drop Too High at Cranking

The measured intake manifold pressure (signal from boost pressure sensor) is below the warning limit…

2 weeks ago

JCB 3CX 4CX Backhoe Loader Engine Throttle Cable Removal and Replacement

JCB 3CX 4CX Backhoe Loader engine throttle cable is routed from the L.H. side of the…

2 weeks ago

How to Replace Fuel Tank Breather Filter Element for Liebherr R9600 Excavator

Here is the instruction show you guide on how to replace fuel tank breather filter…

1 month ago