1. Before disassembly, clean the gearbox housing, or solvent vapor. | A warning When using compressed air for cleaning the channels and holes, use protective glasses, as taken off pollution can cause damage to health.
| 2. Clean all removed parts (except for sealed bearings) and seal surfaces with solvent and dry them with compressed air. | 3. Clean all the holes with compressed air and check that they are not contaminated. |
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