OPERATING CONTROLS AND PROCEDURES 777 OPERATOR’S MANUAL
3-24 Published 10-01-12, Control # 044-05 v2
Maximum Bail Limit
Automatically stops the corresponding load drum from
hoisting when there is a preset maximum number of wire
rope layers on the drum.
The load can be lowered after the limit is contacted.
The appropriate limit bypass switch must be moved to the
bypass position to hoist the load above the limit.
Minimum Bail Limit
Automatically stops the corresponding load drum from
lowering when there are three wraps of wire rope remaining
on the drum.
The load can be hoisted after the limit is contacted.
The appropriate limit bypass switch must be moved to the
bypass position to lower load below the limit.
Load Moment Limit
See separate Rated Capacity Indicator/Limiter Manual for
operating instructions.
WARNING
Falling Load Hazard!
Do not exceed maximum allowable spooling capacity
given on Wire Rope Specifications Chart in operator’s
cab. Wire Rope could jump off drum allowing load to fall.
WARNING
Falling Load Hazard!
When lowering load below minimum bail limit, do so
slowly with extreme caution. Do not lower load to point
where less than three full wraps of wire rope are on drum.
Wire rope could be pulled out of drum allowing load to fall.
WARNING
Overload Hazard!
Rated capacity indicator/limiter has been installed on
crane to aid operator.
Presence of rated capacity indicator/limiter on crane in no
way substitutes for or lessens requirement that operator
knowledge, experience, and judgment are required to
ensure safe operation of crane.
Before using rated capacity indicator/limiter, operator
shall verify that it is properly calibrated.
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