© 2005 Manitowoc Cranes, Inc.
Rev. 03-07-2005 F2081-1
CAPACITY CHART INFORMATION
All Models
TABLE OF CONTENTS
GUIDE FOR DETERMINING TOTAL LOAD
AND MAXIMUM WORKING RADIUS
Capacity charts for Manitowoc cranes show the total weight
of freely-suspended loads for various boom/jib lengths and
operating radii.
To determine the total weight of the load that can be lifted at
a given radius, the operator must include the weight of
certain lifting equipment, such as the following:
• Jib.
• Upper boom point.
• Intermediate fall point.
• Wire rope below boom, jib, and intermediate fall points.
• Load blocks and hook and weight balls below boom,
jib, and intermediate fall points.
• Slings and other lifting equipment below boom, jib, and
intermediate fall points.
This folio contains worksheets to assist qualified operators
in determining the total load to be lifted and the maximum
working radius for that load.
The work sheets provided in this folio are for standard lifting
arrangements. What is and is not considered part of the
total load can vary from one capacity chart to another and
from one attachment to another.
Read capacity chart in
use to determine what is considered part of total load.
If
in doubt, contact your Manitowoc Distributor or the Service
Department at the factory for assistance.
Guide For Determining Total Load And Maximum Working Radius .....................1
EXAMPLE – Determining Total Load and Maximum Working Radius From
Lower Boom Point .........................................................................................2
Worksheet A – Determining Total Load and Maximum Working Radius From
Lower Boom Point .........................................................................................3
Worksheet B – Determining Total Load And Maximum Working Radius From
Upper Boom Point .........................................................................................4
Worksheet C – Determining Total Load and Maximum Working Radius From
Fixed Jib Point on Boom................................................................................5
Worksheet D – Determining Total Load and Maximum Working Radius From
Lower Boom Point with Luffing Jib Attached .................................................6
Worksheet E – Determining Total Load and Maximum Working Radius From
Lower Luffing Jib Point..................................................................................7
Worksheet F – Determining Total Load and Maximum Working Radius From
Fixed Jib Point on Luffing Jib.........................................................................8
Worksheet G – Determining Total Load and Maximum Working Radius From
Intermediate Fall Point on Luffing Jib ............................................................9
Worksheet H – Determining Total Load and Maximum Working Radius From
Tower Boom Point.......................................................................................10
Worksheet J – Determining Total Load and Maximum Working Radius Tower
Jib Point ......................................................................................................11
Worksheet K – Determining Total Load and Maximum Working Radius From
Tower Intermediate Fall...............................................................................12
Crawler Blocking Diagram..................................................................................14
Operating Radius ...............................................................................................16
WARNING
Falling Load Hazard!
Prevent crane from tipping or structural failure of
attachment. Perform following steps prior to lifting any
load:
• Read capacity chart to determine what is considered
part of total load.
• Calculate total load to be lifted.
• Do not exceed maximum working radius for total
load to be lifted.
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