Drive Wheels; Replacing A Drive Wheel - Invacare FDX Service Manual

8.12

Drive wheels

8.12.1 Replacing a drive wheel

WARNING: Danger of crushing!
The wheelchair is very heavy. Danger of injury to the hands and feet!
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Let a second person help you.
Danger of injury due to uncontrolled movement of the wheelchair!
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Switch the vehicle's power system off (ON-/OFF key).
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Engage the drive motors.
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Secure the vehicle against rolling away by placing wedges under the wheels.
Requirements:
● 6 mm Allen key
● Two oblong wooden blocks, at least 14 x 14 x 30 cm
● Torque wrench 5 – 30 Nm (or similar)
Uninstalling a drive wheel:
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Lift the wheelchair on one side and have a second person place a 14 cm high wooden block
underneath it, so that the drive wheel is off the ground and can rotate freely.
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Repeat this if necessary on the other side of the wheelchair.
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Loosen the five 6 mm hexagon socket head screws (1).
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Pull the wheel (2) off the hub.
Installing a drive wheel:
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Install the wheel in reverse order.
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Tighten the screws to a torque of 25 Nm.
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