ME 3810-288-12/2-22
Figure 2-19. Cribbing prepared for backhoe boom assembly. installation and removal.
(1) With the base of the backhoe boom
assembly cribbed up to the height of the boom foot
lugs on the revolving frame, swing the revolving frame
to face the rear of the carrier. Carefully back the
carrier up to the cribbed up boom, so that the bores in
the boom foot lugs on the revolving frame are alined
with the bores in backhoe boom foot. Install the
boom to the revolving frame with the boom foot pins
and lock plates.
(2) Skid the gantry mast along on top of
the boom into place on the revolving frame. Make
certain that the small cable guide sheave at the top of
the gantry mast points toward the crane, and install
the gantry mast foot pins.
(3) Raise the gantry frame by hand, and
lean it against the crane cab.
c. Reeving.
(1) Unroll
and
stretch
the
gantry
suspension cable out on the ground on the right side
of the
(2) Reeve the backhoe auxiliary gantry
cable as show. n in figure 2-20.
Figure 2-20. Backhoe auxiliary gantry suspension reeving.
2-14
