SERVICE MANUAL
Invacare
®
- Bora/Spectra XTR
• Loosen the 19 mm nut (1) with the socket
spanner and remove it. Hold the wheel so that
it does not rotate when the nut is being
removed.
• Pull the steering head shaft upwards out of
the steering head tube.
• Take the washers out of the tube.
• Take the ball bearing out of the tube.
• The adjacent figure shows an overview of the
individual parts.
• Plastic cap
• 19 mm nut
• Ball bearing
• Reassembly takes place in reverse order to
disassembly
• Ensure that you insert the ball bearings
exactly as described below.
• Also ensure that the washers are correctly
replaced.
CAUTION!
Incorrect reassembly can damage the bearings and cause the steering wheels to fall out!
The single-row angular ball bearing rings are not identical on both sides! There is only one correct
way to insert them!
• The bearings must always be assembled so that the narrow borders of the ball bearings are
facing each other (inside)!
• The steering head bolts and nuts must always be pressing against the wide (outside) border of
the ball bearings! Otherwise, the bearings will be pressed apart and damaged by the bolts!
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