18
33 ft – 56 ft luffing bi-fold boom extension
(Mode B) (intermediate offsettable angles)
THIS CHART IS ONLY A GUIDE AND SHOULD NOT BE USED TO OPERATE THE CRANE.
The individual crane’s load chart, operating instructions and other instructional plates must be read and understood prior to operating the crane.
Pounds
37.3 ft – 141.7 ft
22,000 lb33 ft – 56 ft
100%
24 ft spread
360˚
Feet
33 ft LENGTH 56 ft LENGTH
5° - 20° 20° - 40° 5° - 20° 20° - 40°
OFFSET OFFSET OFFSET OFFSET
#0091 #0092
50 11,850
55 11,550 10,750
60 11,200 10,600
65 10,900 10,450 6150
70 10,650 10,350 5960
75 10,350 9830 5780 5370
80 9730 9330 5610 5280
85 8300 8860 5450 5200
90 7060 7660 5310 5130
95 5960 6500 5170 5070
100 4990 5470 5040 5010
105 4120 4560 4920 4910
110 3340 3730 4430 4810
115 2640 2990 3700 4490
120 2000 2320 3040 3760
125 1420 1700 2440 3100
130 1140 1900 2500
135 1390 1940
140 1420
Min. boom
angle for
indicated
length (no
load)
43° 43° 48° 48°
Max. boom
length at 5°
boom angle
(no load)
89.8' 76.7'
#LMI operating code. Refer to LMI manual for
operating instructions.
A6-829-103525A
NOTES:
1. All capacities above the bold line are
based on structural strength of boom
extension and do not exceed 85% of
tipping loads, in accordance with SAE
J-765.
2. The 33 ft luffing folding boom
extension may be used for single or
double line lifting service. The 56 ft
luffing folding boom extension may
be used for single line lifting service
only.
WARNING: Lifting with the 33
ft extension base, with the 23 ft
extension fly either erected or folded
along side of extension base, is
strictly prohibited.
3. WARNING: Operation of this
machine with heavier loads than the
capacities listed is strictly prohibited.
Machine tipping with boom
extension occurs rapidly and without
advance warning.
4. The loads for luffing depend on the
angle of the main boom, angle of
the boom extension and dynamic
working pressure of the luffing
cylinder for the boom extension.
5. Capacities listed are with outriggers
properly extended and vertical jacks
set only.
6. When lifting over the main boom
nose with 33 ft or 56 ft extension
erected, the outriggers must be fully
extended or 50% extended (17.3 ft
spread).
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