Interactive Guide

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7220

Service: Transmission > The tractor does not change the gears than using the clutch

Problem

Shifting was done suddenly, moving the gear lever from high speed to low speed without pause required. In this case the transmission suffers big shock.

Solution

Check the pressures on the distributor gear (TCV).

Pressure on primary clutch has quick coupling and must be 150 PSI in lower speeds and 270 PSI for the rest. If pressures are not the ones specified, must be changed the pressure valves and the tappet piston command.

Nitrogen cylinders must be 11 bar pressure.