Manitowoc 31000 User Manual

Reference Only
Manitowoc Published 07-23-15, Control # 078-03 4-1
31000 LUFFING JIB OPERATOR MANUAL SET-UP AND INSTALLATION
4
SECTION 4
SET-UP AND INSTALLATION
OVERVIEW
This section contains installation and removal instructions for
the #91 luffing jib attachment on a Model 31000.
The instructions in this section assume that the crane and
required length of boom are already installed and ready for
luffing jib installation.
The luffing jib shall be installed, operated, and removed by
experienced personnel trained in the operation and erection
of construction cranes. These personnel shall read,
understand, and comply with the instructions in this section,
in the Luffing Jib Rigging Drawing, and in the Liftcrane
Luffing Jib Capacity Charts provided with the attachment.
Contact your Manitowoc dealer for a detailed explanation of
any procedure not fully understood.
The installation/removal area shall be firm, level, and free of
ground and overhead obstructions.
Unless otherwise specified in the capacity chart, the
foundation shall be level to within 0.5% — 0.5 ft (0,15 m) rise
or fall in 100 ft (30,5 m) distance.
The area selected shall be large enough to accommodate
the crane, selected boom and luffing jib length, and
movement of an assist crane.
See the Jib Assembly Drawings at the end of this section for:
• Maximum combined boom and luffing jib length.
• Minimum boom length for use with the luffing jib.
WARNING
Avoid Death or Serious injury!
Read and understand instructions in this section before attempting to install or remove attachment.
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.
KEEP UNAUTHORIZED PERSONNEL WELL CLEAR OF CRANE.
Falling Load Hazard!
To prevent lifting equipment from failing and load from dropping, crane owner/user shall verify 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.

Manitowoc 31000 Specifications

General

Brand	Manitowoc
Model	31000
Category	Construction Equipment
Language	English