Shift Mechanism

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The transfer from the control unit to the selector forks is divided between two locations in the transmission:

The upper gear selector affects back-up (reverse) gear and 1st and 2nd gears
The lower gear selector affects 3rd, 4th, 5th and 6th gears.

4 gear selector forks transfer the movement from the control to the relevant coupling sleeve.

The shift lever actuates the shift forks, which are mounted in bearings in the housing.

Two carrier plates are used to transfer the torque from the longitudinal movement lever to the axially sliding gear selectors. The carriers run in a groove in the gear selector plate.

The gear selector panel is affected by a carrier plate connected to the lateral movement lever.

The carrier plates move vertically between four possible positions. The different gears can be activated in the different positions.

In the uppermost position the upper gear selector activates back-up (reverse) gear
In the next highest position the lower gear selector activates 5th and 6th gears
In the next lowest position the lower gear selector activates 3rd and 4th gears
In the lowest position the upper gear selector activates 1st and 2nd gears.

The longitudinal movement lever acts on the shift lever so that the correct gear is engaged. The control unit also contains two springs (10 and 12) that help return the shift lever to the neutral position.