FIGURE 4-55
Table 4-4. Boom Handling Limitations (Travel speed not to exceed 0.8 km/h (1/2 mph)
Maximum Boom Length
m (ft)
Boom Makeup
(Notes 1, 2)
Maximum Suspended Weight
at Boom Point
kg (lb)
30,5 (100) Butt, Inserts, Top, Upper Boom Point 5 670 (12,500)
33,5 (110) Butt, Inserts, Top, Upper Boom Point 4 082 (9,000)
36,6 (120) Butt, Inserts, Top, Upper Boom Point 2 495 (5,500)
39,6 (130) Butt, Inserts, Top, Upper Boom Point 1 361 (3,000)
42,7 (140)
Butt, Inserts, Top with
Load Block and Weight Ball Removed
0
Note 1: Gantry in intermediate position for all boom lengths.
Note 2: Boom fully rigged with straps attached between equalizer and boom top for all boom lengths.
Backhitch
Leg
View A
A1104
View B
(2 places)
View C
(2 places)
Hold-Down
Pendant
Storage
Strap
Firm, Uniformly Supporting
Surface Level to 1% Grade
Load
Block
Hook-and-
Weight Ball
Gantry
Hold-Down Pendant
4,0 m (13 ft 1 in)
3
2
1
Counterweight
Adapter
Series 1
Counterweight
Item Description
1Pin
2Link
3Pin
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