Manitowoc Published 11-20-19, Control # 234-19 4-1
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
SECTION 40
SETUP AND INSTALLATION
BOOM AND JIB ASSEMBLY DRAWINGS
The Boom and Jib Rigging drawings that apply to your crane
are located at the end of this section.
LIFTCRANE MAST CAPACITIES
Lifting capacities for the live mast are located at the end of
this section and in the Capacity Chart Manual for this crane.
OPTIONAL ATTACHMENTS
If applicable, instructions for optional attachments (such as
luffing jib and VPC-MAX) are provided in separate serialized
Operator Manuals.
GENERAL SAFETY
To prevent accidents that can result in death or injury during
crane assembly and disassembly, comply with the following
general safety information and with specific safety
information contained in assembly and disassembly steps.
CRANE ORIENTATION
The terms RIGHT, LEFT, FRONT, REAR used in this section
refer to the operator’s right, left, front, and rear sides when
seated in the operator cab looking forward.
• The operator cab is at the front of the upperworks.
• A yellow arrow and dot on the right top and right front
sides of the carbody indicate the FRONT of the carbody.
WARNING
Death or Serious Injury Hazard!
Read and understand setup and installation instructions
in this section before attempting to assemble or
disassemble the crane.
Tipping/Overload Hazard!
Avoid tipping the crane over or collapsing the live mast:
• Assemble and disassemble the crane on a firm, level,
uniformly supporting surface.
Level = 1% of grade or
0,3 m (1 ft) in 30,5 m (100 ft)
The area selected must be large enough to
accommodate the crane, the selected boom and jib
length, and movement of an assist crane.
• Do not exceed the operating limits given in Table 4-2
.
• Keep the crane level when operating carbody jacks.
WARNING
Avoid Falling Off Crane and Boom!
It is necessary to climb onto the crane and boom during
assembly and disassembly steps.
Use sturdy owner furnished ladders or an approved
personnel hoist to gain access to areas which cannot be
reached from ladders or steps provided with crane.
Moving Parts/Pinch Points!
Avoid death or crushing injury during crane assembly and
disassembly:
• Assembly personnel — take every precaution to
prevent injury when working near moving parts.
• Maintain communication between operator and
assemblers to avoid accidents.
• Do not raise or lower the live mast until all personnel
are off the crane.
• Keep unauthorized personnel well clear of the crane.
Falling Load Hazard!
To prevent lifting equipment from failing and load from
dropping, the crane owner/user shall verify the following
prior to each lift:
• All lifting equipment (shackles, hooks, slings, blocks)
has been properly maintained and is safe for use.
• All lifting equipment has a capacity equal to or greater
than load to be lifted.
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