(1) Install hook rollers.
a. Attach a lifting sling to the boom foot lugs on
(2) Adjust horizontal swing shaft drive
the revolving frame and to the gantry peak pin, and using
an overhead crane position the revolving frame on the
(3) Lubricate upper, including addition of
carrier. Keep the revolving frame stable in the lifting
oil to the gear case.
sling until the hook rollers are installed.
b. Refer to TM 5-3810-295-12 and perform the