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6.4.4 Adjusting the knee lever wheel lock for one-handed operation
INFORMATION
To adjust the brake block on the active side: see the section "Adjusting the knee lever wheel lock".
This adjustment must be made after the drive wheel has been repositioned or during fine adjustment.
Presetting (as needed)
1) Loosen the Allen head screws between the knee lever wheel lock and the threaded stud in the frame tube (not
illustrated, similar process: see fig. 34).
2) Adjust the knee lever wheel lock by sliding it.
When the wheel lock is disengaged, the gap between the tyre and wheel lock bolt must not exceed 5 mm (sim
ilar illustration: see fig. 35).
→ The distance between the wheel lock bolt and the drive wheel must be 1–5 mm in the unbraked condition.
3) Evenly tighten the Allen head screws in the threaded stud to 8 Nm.
Fine adjustment
1) Separate the sleeve from the wheel lock bolt (see fig. 37).
2) Slide the sleeve onto the Bowden cable (see fig. 38).
3) Clamp the Bowden cable by tightening the nut (see fig. 37).
→ The brake has to operate easily.
→ The braking effect must be the same at both wheel lock bolts.
→ The wheel lock bolt must lock the drive wheel securely when stationary.
4) If necessary: Shorten the Bowden cable to 10 mm after making the adjustments (not illustrated).
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6.4.5 Adjusting the braking force of the drum brake
INFORMATION
After making adjustments, check that activating the manual brake lever creates a sufficient braking effect.
Note that the drum brake must still be able to produce sufficient braking force even when the manual brake lever
is locked into a ratchet position.
Avantgarde 4
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Settings
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