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PARKING AND TOWING

The ground power unit must be positioned on firm, level ground. The front wheel brakes will be automatically actuated with the towbar in either the lowered position, or raised to the stowed position.

This is on a Ground Power Unit:
The overrun brake mechanism incorporates a reversing catch on the towbar which must be engaged when reversing the unit, to prevent brake application. In preparing to tow the unit, the reversing catch must be released to allow the overrun brake to operate.

Merci d'avance!