Infinity BMX BICYCLES, Руководство пользователя

Страница: 43 / 51

Detailed Maintenance Detailed Maintenance
Lubrication and Adjustment - Cotterless Cranks
5
82
Adjustment After Use
5
83
5 5
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 in 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. Not 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 come away from the axle.
Cotterless Crank Replacement:
1. Replace the crank arm onto the axle.
2. Tap the crank arm lightly with a mallet.
3. Refit the washer and tighten flange nut or bolt securely to a torque of
27Nm.
4. Replace the dust cover.
Fixed Cup
Bottom Bracket
Cotterless Crank removing tool
Ball Retainer
Axle
Adjusting Cup
Lockring
Bottom Bracket
Shell
Remove the dust cap.
Loosen and remove
the flange nut.
Adjustment After Use:
1. Remove dust cap.
2. Tap the crank arm lightly with a mallet.
3. Retighten the flange nuts, and refit the dust caps.
New cotterless cranks may become loose with initial use.
Perform the following task after several house of riding,
and repeat it two or three times after further use. Cranks
should then remain tight.
Screw in the removal tool.
Turn the screw bolt
clockwise.
Position the crank on the axle.
Lightly tap the crank
onto the axle.
Tighten the flange nut.
Replace the dust cap.