Dynacraft SINGLE SPEED Owner's Manual page 105

LUBRICATION AND ADJUSTMENT - ONE PIECE CRANKS
To adjust the free play in a one piece type bottom bracket, loosen the locknut on the left side by turning it
clockwise and tighten the adjusting cone counterclockwise using a screwdriver in the slot. When correctly
adjusted, retighten the locknut counterclockwise.
To disassemble:
1. Remove the chain from the chainwheel.
2. Remove the left pedal by turning the spindle clockwise.
3. Remove the left side locknut by turning it clockwise and remove the keyed lockwasher.
4. Remove the adjusting cone by turning it clockwise with a screwdriver.
5. Remove the left ball retainer, slide the crank assembly out of the frame to the right, and remover 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 the reverse of the above procedure.
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DETAILED MAINTENANCE