Maintenance on the Woodzig is unique because it often uses a specialized cassette system . Replacing the chain is a straightforward process: Woodzig electric pruner | Houzz Forum
This model typically requires manual or semi-automatic lubrication. Use standard bar and chain oil (SAE30 or SAE10). Never operate the saw without adequate oil, as this will overheat the motor and damage the chain. Sharpening: woodzig model 40268 manual updated