a2b Ferber, Owner'S Manual, Page: 28 / 48

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Owner`s manual
7.0 Maintenance
Have your A2B serviced by an A2B dealer at least once a year.
7.1 Wheels
The front and rear wheels should be centred in the fork and frame.
Wheels should be checked regularly for proper spoke tension and
rim alignment.
DO NOT ride your A2B if it has broken or missing spokes. Wheels
should rotate smoothly without wobbling from side-to-side or
up-and-down.
7.2 Hub bearings
Check the hub bearing adjustment periodically by lifting the wheel off
the ground and spinning it and try to move the rim from side-to-side
between the fork or frame. No lateral movement should occur.
If you detect lateral movement in either wheel, the hub bearings
must be adjusted or replaced.
7.3 Wheel rims
The rims must be smooth, without cracks, bulges or flat spots. Take
your A2B to your A2B dealer to repair and/or adjust your wheels if
necessary.
7.4 Drive chain
Your A2B has a high quality chain that needs to be cleaned
and lubricated regularly with bicycle industry approved synthetic
lubricant.