b. Cleaning and Inspection.
parts.
(1) Clean guards.
c. Installation. Install gear guards as illustrated in
(2) Inspect for defects, and replace defective
Section XXI. CRAME BOOM AND ATTACHMENTS
4-111. General
4-112. Crane Boom
The boom for the crane consists of two sections, the
lower boom section is connected by two boom foot pins
a. Removal.
to the revolving frame. The upper boom section is
(1) Remove all reeving from crane boom using
connected to the lower section and consists of the boom
a reverse procedure described in paragraph 2-2.
point sheaves.
(2) Remove crane boom from revolving frame
b. Disassembly. Disassemble crane boom as in-
structed in figure 4-99.
Figure 4-99. Crane boom, disassembly and reassembly.
4-104
