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Hitec HS-7954SH Servos Grinding

Old 10-05-2015, 08:54 AM
  #1  
DeeCee 57
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Default Hitec HS-7954SH Servos Grinding

Bought a 2nd hand 2.6m CARF Extra 260 equipped with HS-7954SH on the wings and tail surfaces.

They work fine but make a grinding noise... a bit like a manual coffee grinder does. Pushing lightly on the related surface whilst moving it and one feels the teeth. Still moving the surface but pushing harder on it and the grinding is less

- is this normal?
- wear?
- advice?
Old 10-05-2015, 01:25 PM
  #2  
dirtybird
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My guess is you need to replace the gears

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