TM 5-3810-289-12
(2) Pay off boom suspension and hoist
(6) Install hoist rope in reverse order of
ropes until there is sufficient slack to permit insertion of
disassembly procedure.
f.
Repair. Repair of crane boom is limited to
the extra sections. Remove splice bolts attaching upper
and lower section of boom (fig. 4-43).
wear-out type items of the point section and minor repair
(3) By
slowly
propelling
machine
or replacement of lattice members.
backwards, separate boom halves to permit addition of
Note.
extra boom sections; put each section in place. (Brace
Bent, broken or kinked booms are
cribbing against drag of boom before propelling.) Be sure
restricted to repair by replacement.
cross bracing at the ends of the section do not interfere
with the track if they are installed in the boom. Bolt new
g. Replace. Refer to figure 4-44 to replace
sections to the upper and lower sections of the boom.
parts of the boom assembly.
(4) Bolt pendents to boom.
(5) Raise boom to position with boom
hoist.
4-58
