TM 5-3810-288-12
'
Figure 2-6. Counterweight installation.
Figure 2-7. Cribbing prepared for boom assembly and installation.
(2) Install the gantry spreader on the gantry A-frame.
(3) Unroll and stretch the boom suspension cable
out on the ground on the right side of the boom.
(4) Reeve one end of the cable from the center
upper spreader sheave left side, around the lower left gantry
spreader sheave, around the lower left upper spreader
sheave, around the up- per left gantry spreader sheave,
around the upper left upper spreader sheave, around the left
gantry peak pin sheave, and to the dead-end socket on the
gantry A-frame (fig. 2-13).
(5) Reeve the other end of the cable around the
center upper spreader sheave, around the
Figure 2-8. Connecting boom sections.
2-6
