MOBILETT Plus / - E/ - M SPR8-215.898.01 Page 6 of 6 Siemens-Elema AB
Rev. 05 01.02 SPS-UD Solna, Sweden
11 - 6 Motor drive units
• To prevent the other wheel from turning, secure it with several wedges.
Do not apply the parking brake.
• Remove the wheel, 4 screws, according to (Fig. 8).
• Remove the 6 screws holding the motor. 2 of the screws can be accessed through a hole
in the toothed wheel.
• Remove the complete motor unit inward through the opening in the chassis.
• Install the new motor with the 6 screws.
• Install the charging unit and/ or battery pack. Refer to (Fig. 7) for electrical connections.
• Install the wheel with the 4 screws.
• Remove the block of wood.
• Reattach the covers.
Repairs to the motor power unit 11
The motor drive units should not be repaired. If the motor drive unit is defective (with the
exception of 2.5 A fuses), the entire unit should be replaced.
Replacement of batteries 11
The batteries are two 12 V sealed lead-acid batteries connected in series and placed in a
battery box. The batteries are maintenance free with an estimated lifetime at normal use
of more than 2 years.
To replace the batteries, connect the new units according to the drawing on top the battery
compartment.
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