Harmony Service Instructions; Servicing Or Replacing Freewheel - NuVinci OPTIMIZED Harmony 330 Manuel Technique D'utilisation

7. Harmony service instructions

7.1 Servicing or Replacing Freewheel

1. Remove the rear wheel per section 5.1.
2. Remove the Harmony Hub Interface and
Harmony input speed ring per reversing
section 6.7 and section 6.3.
3. Reference the exploded view in section
8.3. Remove the sprocket snap ring (12),
sprocket spacer (13, if installed), and
sprocket (14).
4. Remove the snap sing (15) on the shift
driver, and remove the freewheel assembly
(16).
5. If servicing or replacing, use a medium-
weight oil or very lightweight water-
resistant grease and check pawl and
spring function.
6. Remove the interior snap ring (17), needle
bearing (18), and r.h. shield (19) if these
components are being replaced.
7. Install the serviced / new freewheel
components according to the exploded
view in section 8.3.
8. Install the sprocket and Harmony
components per step 2. and step 3. above.
9. Install the rear wheel per section 5.2.
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HARMONY SERVICE INSTRUCTIONS
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