MAINTENANCE CD3340B/YB4411
5-18
Published 04/07/2015 Control # 569-00
6. Apply bronze anti-seize, or equivalent, to the inner boom
surface in front of and behind the slide block. Only use a
small amount of lubricant for best results. Extend and
retract the booms to distribute the lubricant along the
slide path.
Lubricate the Boom Chains
NOTE: One of the most important, but overlooked factors
causing premature wear or breakage of chains is
inadequate lubrication. In addition to reducing
internal friction, maintaining a film of lubricant on all
chain surfaces will inhibit rust and corrosion.
a0590
Kinking, Crushing, or
Distortion of Rope Structure
FIGURE 5-28
Reduction from Normal
Diameter of 14 mm (9/16”) of
more than 0.8 mm (1/32”)
More than 1 Broken Wire at a
Dead-End Connection
Wire Rope Inspection Criteria
Evidence of Heat Damage
from any Cause
6 Broken Wires in any One
Lay or 3 Broken Wires in
One Strand in any Lay
Wear Greater than 1/3
Diameter of Outside
Individual Wires
a0601
Boom Slide Lubrication
FIGURE 5-29
Reference Only
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