REPAIR OF CRANE GANTRY, SPREADER AND
Section I. REPAIR OF GANTRY
structure of the boom. The load lines are attached to
The gantry (see fig. 10-1) is the main load bearing
Careful inspection of the gantry, following
a. Lower boom to rest on suitable cribbing.
any severe snapping, whipping or jerking of
b. Support gantry assembly and relieve line tension
the boom, is required to prevent possible
prior to disconnecting lines.
damage to the crane or injury to personnel
working near the crane.
Refer to figure 10-2 and disassemble the gantry to the
10-4. Cleaning, Inspection and Repair
point required for cleaning, inspection, and replace-
a. Clean gantry parts with an approved
ment. Inspection can be made without disassembling
cleaning solvent, Federal Specification P-D-680 or
the gantry using a magnetic particle method.
Change 1 10-1