Invacare FDX Service Manual page 104

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Assemble the parts of the wheel hub in reverse order.
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Between the wheel and the motor / drive unit, distance rings of various widths are inserted to
adjust the clearance between the wheel and the motor. Select the correct width for the
distance rings.
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Use a thin film of lubricant to replace the wheel hub on the axle.
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Tighten the screws to a torque of 60 Nm.
104