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8.16 Drive wheels
8.16.1 Replacing the drive wheel
CAUTION: Danger of crushing!
• The mobility aid is very heavy. You should seek help from a second person!
CAUTION: Injury hazard if the vehicle starts moving unintentionally during repair work!
• Switch the power supply off (ON/OFF key)!
• Engage the drive!
• Before raising the vehicle, secure the wheels by blocking them with wedges!
Note
In most cases the drive wheel is fixed to the wheel hub by means of five Allen screws. Only
Trelleborg tyres are fixed by means of four Allen screws.
Requirements:
• 6 mm Allen key
• long wooden blocks, min. 14 x 14 x 30 cm
Removing the drive wheel:
• Lift the mobility aid up on one side and get a second person to place a wooden block around
14 cm high underneath it so that the drive wheel is suspended freely.
• Loosen the four or five 6 mm Allen screws (1).
• Take the wheel (2) off the wheel hub.
Refitting the drive wheel:
NOTE
Please ensure that the wheel is re-fitted on the same side and in the same running direction as
removed.
• Refit the wheel in reverse order.
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