Manual & Hand Operated Rock Crusher
The handle has two flats to accept a 24mm spanner right against the flywheel. Use a 24 spanner or a shifting spanner to hold it still. The nut on the other side of the flywheel is a 30mm spanner. Unscrew the nut and re-mount the handle (s) on the outside so the flywheel can rotate. The crusher should be mounted on a base for a safe operation.
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