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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 counter-clockwise, then turn
the adjusting cup as required. Re-tighten the lockring taking care not
to alter the cup adjustment.
To disassemble:
1. Remove the cranks from the axle.
2. Remove the left side lockring by turning it counter-clockwise.
3. Remove the adjusting cup by turning it counter-clockwise.
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 counter-clockwise 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 re-assemble 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.
Remove the dust cap.
Loosen and remove
the flange nut.
Fixed Cup
Ball Retainer
Axle
Adjusting Cup
Lockring
Bottom Bracket
Shell
Bottom Bracket
Cotterless Crank removing tool