How to install injection pump on 70s john deere 410 backhoe?

To install the injection pump on a 1970s JOHN DEERe 410 backhoe, first ensure the engine is cool and disconnect the battery. Remove any components obstructing access to the injection pump, such as the fuel lines and mounting brackets. Carefully align the new injection pump with the drive shaft and secure it in place, then reconnect the fuel lines and any other components removed. Finally, prime the fuel system and check for leaks before starting the engine.