Invacare Bora Service Manual page 81

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Invacare - Bora/Spectra XTR SERVICE MANUAL
The illustrations show the wide border of the ball bearing on the
outside of the ball race (A) and the narrow ball bearing edge on
the inside (B).
After assembly, the steering wheels should rotate freely but the
bearings should have no play.
· First tighten the nuts to 20 Nm +/- 2 Nm.
· Then loosen them slightly.
· Then retighten to 15 Nm +/- 1.5 Nm.
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