OPERATING CONTROLS AND PROCEDURES MLC165-1 OPERATOR MANUAL
3-48
Published 08-06-19, Control # 237-09_v1
Crane Shutdown or Leaving the Crane
Unattended
1. Travel the crane onto a level surface. Do not leave the
crane unattended on a grade.
2. Turn on the travel park switch.
3. Swing the rotating bed to the desired position. Then turn
on the swing park switch.
4. Lower all loads to the ground.
5. Turn on the drum park switch for each load drum.
6. If possible, lower the boom (and luffing jib, if equipped)
onto blocking at ground level.
In event of winds up to 50 mph (22 m/s), place load
blocks and weight balls on the ground and position the
boom at 68°.
If wind speeds of 50 mph (22 m/s) or greater are
expected, lower the boom onto blocking at ground level.
If the boom cannot be lowered, as determined by a
qualified designated person, it must be securely
fastened from movement by the wind or other outside
forces.
NOTE The qualified designated person shall be familiar
with the job site limitations, the crane configuration,
and the expected weather conditions.
7. Check that all the control handles are in the center
position.
8. Decrease engine speed to idle. Allow the engine to idle
for three to five minutes so it cools evenly.
9. Stop the engine.
10. Remove all keys from the cab to prevent unauthorized
operation.
11. Lock the operator cab windows and door to prevent
unauthorized entry.
WARNING
Moving Load/Tipping Crane Hazard
The operator shall not leave the operator cab until the
crane, loads, and boom have been secured against
movement.
Changing weather conditions including but not limited to:
wind, ice or snow accumulation, precipitation, flooding,
lightning, etc. should be considered when determining the
location and configuration of a crane when it will be left
unattended.
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