Lull 1044C-54 Series II Service Manual - Manual (Page 153)

Boom and Transfer
31200079 6-11
4. Remove the hose at the base end of the cylinder and plug the hose.
5. Start the engine and activate the control that will supply hydraulic oil to
the rod end of the cylinder.
6. If there is leakage from the disconnected end of the cylinder, remove
the cylinder and make repairs. If there is no leakage, reconnect the
hose and tighten (see installation procedures for each cylinder for
torque specifications).