How do you remove timing chain 620 Datsun?

To remove the timing chain on a Datsun 620, first, disconnect the battery and remove any components obstructing access, such as the radiator and front timing cover. Align the timing marks on the crankshaft and camshaft to ensure proper timing during reinstallation. Then, remove the tensioner and guide, followed by the chain itself. Finally, carefully take off the sprockets, if necessary, to fully detach the timing chain from the engine.