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5.12 Releasing the Magnetic Brake
In order to prevent further movement or rolling away in the event of a radio failure or other dis-
turbances on the aircraft tug, the magnetic brake is automatically activated. The brakes can be
released manually in the event of a system failure.
Before this emergency procedure is used, the aircraft tug and any towed aircraft should be
adequately secured.
1. Secure the aircraft tug and aircraft suciently!
2. Turn o the aircraft tug by pressing the two battery disconnect switches (e-Stops).
3. Pull the marked plug and put it in the free position underneath.
4. By pulling the two battery disconnect switches, the magnetic brakes are released on
both motors. Now the aircraft tug can be moved.
5. It is important to ensure that after completing this emergency procedure, the plug for
the magnetic brakes is put back in the default position.
DANGER! In case of missing or insucient securing, unwanted movements may
occur on the aircraft tug and on the aircraft!
ATTENTION! Electric current ows. This procedure requires special care. Failure
to do so may result in personal injury and property damage!
Connector in Default Setting Connector in Default Setting
DefaultDefault
EmergencyEmergency
ATTENTION! If the tug requires emergency repositioning do not tow or drag the
TowFLEXX unit without following the emergency brake release procedure.
Alternatively the tug MUST be repositioned by a capable forklift and forklift
operator (page 51)! Failure to comply may result in damage to the equipment.
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