TM 9-2350-256-34-2
3.3. Repair of Hoisting Boom
Figure 3-2. Repair of Hoisting Boom
a. General. Refer to TM 9-2350-256-34-1 and Figure 3-2 for instructions on disassembly of the hoisting boom.
b. Cleaning. Wash the boom assembly with hose and water or steam clean. Scrape off chipped or peeled paint.
CAUTION
Load test of hoist winch and boom assembly is mandatory. Refer to Chapter 2,
Section V for step-by-step procedures.
c. Inspection and Repair.
(1) Inspect hoisting boom for nicks, bends and burrs. Remove nicks and burrs with a rough file.
(2) Inspect welds for cracks and defects. Reweld where necessary and repaint all bare metal.
(3) Inspect the pin and last link of the chain for defects and wear.
d. Assembly. Refer to TM 9-2350-256-34-1 and figure 3-2 for instructions on assembly of the hoisting boom.
3-4 Assembly of Hoisting Boom from Subassemblies
CAUTION
Load test of hoist winch and boom assembly is mandatory. Refer to Chapter 2,
Section V for step-by-step procedures.
The peculiar nature of the hoisting boom assembly makes it necessary to assemble the subassemblies during
installation. For detailed instructions concerning assembly and installation, refer to TM 9-2350-256-34-1.
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