OPERATING CONTROLS AND PROCEDURES 16000 HANGING MAX-ER® OPERATOR MANUAL
3-12
Published 04-17-17, Control # 067-11
CONNECT HANGING COUNTERWEIGHT TO CRANE
For instructions, see Connect Beam to Crane –
SEQUENCE 2 in Section 4 of this manual.
16. Block crawlers if required before lowering boom to
ground.
LEAVING CRANE UNATTENDED
When crane is left unattended, it must be parked as
instructed in Section 3 of Crane Operator Manual. The
following additional steps must be taken if the boom cannot
be lowered to ground.
1. Position boom at mid-point of boom angle range given in
hanging MAX-ER capacity chart.
2. Engage boom hoist pawl and secure boom against
movement by wind or other outside forces.
WIND CONDITIONS
Wind adversely affects lifting capacity and stability. The
result could be loss of control over the load and crane, even
if the load is within the crane’s capacity.
Wind speed (to include wind gusts) must be monitored by job
planners and supervisors.
Beware that wind speed at boom point can be greater than
wind speed at ground level. Also beware that the larger the
sail area of the load, the greater the wind’s affect on the load.
As a general rule, ratings and operating speeds must be
reduced when:
Wind causes load to swing forward past allowable
operating radius or sideways past either boom hinge
pin.
For wind conditions specific to this crane, see Wind
Conditions Chart at the end of this section or, if applicable,
see wind conditions in capacity charts provided with hanging
MAX-ER.
WARNING
TIPPING CRANE HAZARD!
Judgment and experience of qualified operators, job
planners, and supervisors shall be used to compensate
for affect of wind on lifted load and boom by reducing
ratings, reducing operating speeds, or a combination of
both.
Failing to observe this precaution can cause crane to tip
or boom and/or jib to collapse. Death or serious injury to
personnel can result.
To Next Page
Loading...
