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Valtra VALMET 6750HI

Valtra VALMET 6750HI
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VALTRA – VALMET
MEGA MEZZO HI-TEC
WORKSHOP MANUAL
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Valtra VALMET 6750HI Specifications

General IconGeneral
Weight4, 200 kg
Fuel Tank Capacity90 liters
Engine Cylinders4
Engine TypeDiesel
EngineSisuDiesel
PTO Speed540/1000

Summary

22. Fuel system

Repair instructions: Fuel feed pump and fuel filter

Instructions for maintenance of the fuel feed pump and filter.

Bleeding fuel system

Procedure to remove air from the fuel system.

Bleeding thermostart system

Steps to bleed the thermostart system for starting.

Measuring fuel feed pressure

Method for measuring the fuel pressure supplied to the pump.

Checking overflow valve

Procedure to verify the overflow valve opening pressure.

Changing fuel feed pump valves

Guide for replacing the fuel feed pump's internal valves.

Checking injection timing

Process to confirm the correct fuel injection timing.

Adjusting fuel injection timing

Steps to correct the fuel injection timing.

Removing fuel injection pump

Detailed instructions for the removal of the fuel injection pump.

Fitting fuel injection pump

Procedure for the correct installation of the fuel injection pump.

Checkingchanging delivery valve

Method for inspecting and replacing the fuel delivery valve.

Adjusting low idling speed

Procedure to adjust the engine's idle speed.

Removing injectors

Instructions for the removal of fuel injectors.

Inspecting injectors

Methods for testing and inspecting fuel injectors.

Reconditioning injectors

Guide for overhauling and repairing fuel injectors.

Fitting injector in engine

Steps for installing injectors into the engine.

Fitting delivery pipes

Procedure for installing fuel delivery pipes.

Adjusting injection timing on 6800, 8750 and 8950 tractors

Specific timing adjustment for certain tractor models.

Manifold pressure compensator on 6800 tractor (Bosch LDA)

Explanation of the manifold pressure compensator system.

Cold start solenoid

Description of the cold start solenoid's function.

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