B.O.B COZ, Owner'S Manual

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from movement, move the wheel from side to side. If there
is movement, the axle cones are loose and require adjust-
ment. This service should be performed by a trained bicycle
mechanic at a professional bicycle dealership as it requires
special tools.
COZ Hub Bearings - Once every six months, or more fre-
quently if you ride daily or in wet conditions, the hub
should be disassembled. The bearings, cones, and races,
should be cleaned, inspected, and replaced if necessary.
Lubricate the bearings and hub with a medium bearing
grease and reassemble. As above, this service should be
performed by a trained bicycle mechanic at a professional
bicycle dealership as it requires special tools and skill.
Pulling your trailer with an improperly maintained hub will
cause damage to the bearings and bearing surfaces, requir-
ing premature replacement.
YAK Hub Bearings - Once every six months, or more fre-
quently if you ride daily or in wet conditions, the hub
should be disassembled. The YAK uses hubs with cartridge
bearings. The bearings, should be cleaned, inspected and
replaced if necessary. Lubricate the bearings and hub with
a medium bearing grease and reassemble. As above, this
service should be performed by a trained bicycle mechanic
at a professional bicycle dealership as it requires special
tools and skill. Pulling your trailer with an improperly main-
tained hub will cause damage to the bearings and bearing
surfaces, requiring premature replacement.
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B.O.B Quick Release - Every time you ride, check that the
B.O.B quick release is securely tightened in the frame.
Reference items b. and c. of the B.O.B Quick Release
Installation section for proper tightening procedures. At
least once a month, and more often if you ride every day, or
in the dirt, inspect the quick release to make certain it is in
proper working order. Inspect parts for wear, tightness, and
possible damage from passing objects. Refer to mainte-
nance schedule for specifics.
B.O.B. QR BOBBINS - Each ride make certain your quick
release BOBBIN retaining screws are securely tightened,
Fig. 23 . Once a month, or more often if you ride in wet or
dirty conditions, remove the quick release BOBBINS, Fig.
23 , and clean them. After removing the BOBBINS, wipe the
posts on the cam housing and adjusting nut with a clean
cloth to remove all dirt and foreign matter. Take this oppor-
tunity to inspect the axles for excess wear and straight-
ness.
The BOBBINS can be cleaned by inserting a clean piece
of cloth or swab into the hole and removing all foreign
material and dirt. After cleaning the BOBBINS, lubricate the
posts with a light grease, reinstall BOBBINS and tighten
securely, taking note to install them in the same position
from which they were removed.
Hub Adjustment - Every month check the hub adjustment
on the trailer wheel as follows:
1. Elevate the trailer so the rear wheel is in the air.
2. Gently holding the wheel and keeping the trailer free