Adjustment - Dynacraft SINGLE SPEED Owner's Manual

LUBRICATION AND ADJUSTMENT
Cotterless Cranks
To adjust the free play in a three piece type bottom
bracket, loosen the lockring on the left side by turning it
counterclockwise, then turn the adjusting cup as required.
Retighten the lockring taking care not to alter the cup
alignment.
To disassemble:
1. Remove the cranks from the axle (see bottom diagram).
2. Remove the left side lockring by turning it
counterclockwise.
3. Remove the adjusting cup by turning it counterclockwise.
4. Remove the left ball retainer and slide the axle out of the
frame to the left.
5. Remove the right side fixed cup by turning it
counterclockwise and remove the right ball retainer. Clean
and inspect all bearing surfaces and ball retainers, and
replace any damaged parts. Pack the ball bearing retainers
with grease, then reassemble in reverse of the above
procedure.
Cotterless Crank Removal
To remove cotterless cranks use the following procedure.
Note that a special tool will be required.
1. Remove the dust cap with a coin or screwdriver.
2. Loosen the flange nut or bolt and washer, and remove.
3. Screw the removing tool into the crank and tighten.
4. Turn the screw bolt down until the crank comes away from
the axle.
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DETAILED MAINTENANCE