Raise and support the Jib Box in the vertical position to gain access to the Jib Box and Jib
Raise the jib box (1) to the vertical position.
Support the weight of the jib box and extensions.
De-pressurize the hydraulic system. Refer to unit maintenance procedure 5-118.
Disconnect the hydraulic pipes (2) connected to the extension cylinder assembly (3).
De-pressurize the extension cylinder assembly. Refer to unit maintenance procedure
Remove the snap ring (5) securing the pivot pin (4) of cylinder three (6) to extension piece
Remove the bolt (8) and lock washer (9) from extension piece two (10). Discard the lock
Remove the snap ring (11) securing the pivot pin (12) of cylinder two (16) to extension
piece two (10).