Manitowoc Lattice Boom Load Chart Notes

Question 1

When using the boom point elevation numbers round to whole number

Answer 1

.5 or greater round up and .4 or lower round down

Question 2

Tip to ground distance if found where

Answer 2

the load chart

Question 3

tip to ground distance if found in the column

Answer 3

Boom point elevation

Question 4

Round to nearest whole number

Answer 4

.5 or greater round up and .4 or below round down

Question 5

Calculate the gross load

Answer 5

object weight + deductions

Question 6

Chart capacity is lower if?

Answer 6

crawlers are retracted, cannot lift of the jib with crawlers retracted

Question 7

if there is no capacity listed in the jib chart for retracted crawlers

Answer 7

no capacity listed for a particular configuration that means the crane has no capacity

Question 8

when picking off the jib

Answer 8

jib does not have to be deducted

Question 9

when using jib point elevation numbers

Answer 9

.5 or greater round up and .4 or lower round down

Question 10

radius is not given

Answer 10

use boom angle to find chart capacity

Question 11

How to find Main Line

Answer 11

Main boom chart and radius columns, follow for boom tip elevation, then gross capacity, make sure if crawlers are retracted or extended, Finally write boom tip elevation in Main Line deduction area

Question 12

working off the Jib

Answer 12

go to jib chart, follow to right for jib point elevation and gross capacity, make sure of the jib offset, jib point elevation in the Aux Line deduction area

Question 13

Radius is not given in the chart values, use boom angle

Answer 13

go with the longer radius

Question 14

should you look at capacities above and below and use the smaller one

Answer 14

yes