Inspection Items - Dynacraft BMX Owner's Manual

MAINTENANCE AND
WARNING:
E Do not attempt chain repairs. If there is a
problem with the chain, have a bicycle service shop make any
repairs.
WARNING:
Inspect the bicycle frequently. Failure
The chain must be at the correct tightness. If too tight, the
to inspect the bicycle and to make repairs or adjustments,
bicycle will be difficult to pedal. If too loose, the chain can
as necessary, can result in injury to the rider or to others.
come off the sprockets.
Make sure all parts are correctly assembled and adjusted as
When the chain is at the correct tightness, you can rotate
written in this manual
the crank freely and you can pull it no more than one-half
• Immediately replace any damaged, missing, or badly worn
inch away from a straightedge as shown. (See Figure 1.)
parts.
Adjust the tightness of the chain as follows:
• Make sure all fasteners are correctly tightened as written
in this manual. Parts that are not tight enough can be lost
• Loosen the axle nuts of the rear wheel.
or operate poorly. Over tightened parts can be damaged.
• Move the rear wheel forward or backward as necessary.
Make sure any replacement fasteners are the correct size
NOTE: Make sure the rear wheel is in the center of the
and type.
bicycle frame.
NOTE: Have a bicycle service shop make any repairs or
• Hold the wheel in this position and tighten the axle nuts.
adjustments for which you do not have the correct tools or
if the instructions in this manual are not sufficient for you.
TIRE REMOVAL/SEATING
Before adding air to any tire, make sure the edge of the tire

INSPECTION ITEMS

(the bead) is the same distance from the rim, all around the
SERVICE SCHEDULE
rim, on both sides of the tire. If the tire does not appear to be
seated correctly, release air from the inner tube until you can
CHAIN ADJUSTMENT
push the bead of the tire into the rim where necessary. Add
air slowly and stop frequently to check the tire seating and
the pressure, until you reach the correct inflation pressure.
WARNING:
The chain must remain on the
sprockets. If the chain comes off the sprockets, the coaster
brake will not operate.
34
Less than 1/2"
Incorrectly seated
1
2
Properly seated