Length of (m) 64.5
main boom (ft)
25 31 13 19 25 31 13 19 25 31
(82′0″) (101′8″) (42′8″) (62′4″) (82′0″) (101′8″) (42′8″) (62′4″) (82′0″) (101′8″)
11.9/65.2 11.9/64.8
(39′0″/143) (39′0″/142)
64.4 64.0 12.4/62.0 12.4/61.6 12.4/61.1 12.4/60.7 12.9/58.2 12.9/57.8 12.9/57.3 12.9/56.9
(141.9) (141) (40′8″/136) (40′8″/135) (40′8″/134) (40′8″/133) (42′4″/128) (42′4″/127) (42′4″/126) (42′4″/125)
54.2 53.8 53.8 53.4 52.9 52.5 52.7 52.3 51.8 51.4
(119.4) (118.6) (118.6) (117.7) (116.6) (115.7) (116.1) (115.3) (114.1) (113.3)
46.4 46.0 46.3 45.9 45.4 45.0 45.4 45.0 44.5 44.1
(102.2) (101.4) (102) (101.1) (100) (99.2) (100) (99.2) (98.1) (97.2)
40.2 39.8 40.1 39.7 39.2 38.8 39.4 39.0 38.5 38.1
(88.6) (87.7) (88.4) (87.5) (86.4) (85.5) (86.8) (85.9) (84.8) (83.9)
35.2 34.8 35.2 34.8 34.3 33.9 34.6 34.2 33.7 33.3
(77.6) (76.7) (77.6) (76.7) (75.6) (74.7) (76.2) (75.3) (74.2) (73.4)
31.0 30.6 31.2 30.8 30.3 29.9 30.6 30.2 29.7 29.3
(68.3) (67.4) (68.7) (67.9) (66.7) (65.9) (67.4) (66.5) (65.4) (64.5)
27.5 27.1 27.7 27.3 26.8 26.4 27.2 26.8 26.3 25.9
(60.6) (59.7) (61) (60.1) (59) (58.2) (59.9) (59) (57.9) (57)
24.5 24.1 24.8 24.4 23.9 23.5 24.2 23.8 23.3 22.9
(54) (53.1) (54.6) (53.7) (52.6) (51.8) (53.3) (52.4) (51.3) (50.4)
21.8
21.4 22.2
21.8 21.3 20.9 21.7 21.3 20.8 20.4
(48) (47.1) (48.9) (48) (46.9) (46) (47.8) (46.9) (45.8) (44.9)
19.3 18.9 19.8 19.4 18.9 18.5 19.5 19.1 18.6 18.2
(42.5) (41.6) (43.6) (42.7) (41.6) (40.7) (42.9) (42.1) (41) (40.1)
17.0 16.6 17.6 17.2 16.7 16.3 17.4 17.0 16.5 16.1
(37.4) (36.5) (38.8) (37.9) (36.8) (35.9) (38.3) (37.4) (36.3) (35.4)
15.0 14.6 15.6 15.2 14.7 14.3 15.4 15.0 14.5 14.1
(33) (32.1) (34.3) (33.5) (32.4) (31.5) (33.9) (33) (31.9) (31)
13.4 13.0 14.0 13.6 13.1 12.7 13.8 13.4 12.9 12.5
(29.5) (28.6) (30.8) (29.9) (28.8) (27.9) (30.4) (29.5) (28.4) (27.5)
11.9 11.5 12.4 12.0 11.5 11.1 12.2 11.8 11.3 10.9
(26.2) (25.3) (27.3) (26.4) (25.3) (24.4) (26.8) (26) (24.9) (24)
10.5 10.1 11.1 10.7 10.2 9.8 10.9 10.5 10.0 9.6
(23.1) (22.2) (24.4) (23.5) (22.4) (21.6) (24) (23.1) (22) (21.1)
9.4 9.0 10.0 9.6 9.1 8.7 9.7 9.3 8.8 8.4
(20.7) (19.8) (22) (21.1) (20) (19.1) (21.3) (20.5) (19.4) (18.5)
8.3 7.9 8.8 8.4 7.9 7.5 8.7 8.3 7.8 7.4
(18.2) (17.4) (19.4) (18.5) (17.4) (16.5) (19.1) (18.2) (17.1) (16.3)
7.3 6.9 7.9 7.5 7.0 6.6 7.7 7.3 6.8 6.4
(16) (15.2) (17.4) (16.5) (15.4) (14.5) (16.9) (16) (14.9) (14.1)
6.4 6.0 7.0 6.6 6.1 5.7 6.8 6.4 5.9 5.5
(14.1) (13.2) (15.4) (14.5) (13.4) (12.5) (14.9) (14.1) (13) (12.1)
5.7 5.3 6.3 5.9 5.4 5.0 6.0 5.6 5.1 4.7
(12.5) (11.6) (13.8) (13) (11.9) (11) (13.2) (12.3) (11.2) (10.3)
5.0 4.6 5.6 5.2 4.7 4.3 5.3 4.9 4.4 4.0
(11) (10.1) (12.3) (11.4) (10.3) (9.4) (11.6) (10.8) (9.7) (8.8)
4.3 3.9 4.8 4.4 3.9 3.5 4.6 4.2 3.7 3.3
(9.4) (8.5) (10.5) (9.7) (8.5) (7.7) (10.1) (9.2) (8.1) (7.2)
3.6 3.2 4.2 3.8 3.3 2.9 3.9 3.5 3.0 2.6
(7.9) (7) (9.2) (8.3) (7.2) (6.3) (8.5) (7.7) (6.6) (5.7)
57.5/3.4 57.5/3.0 3.7 3.3 2.8 2.4 3.4 3.0 2.5 2.1
(188′8″/7) (188′8″/6) (8.1) (7.2) (6.1) (5.2) (7.4) (6.6) (5.5) (4.6)
60.0/3.2 60.0/2.8 60.0/2.3 60.0/1.9 2.9 2.5 2.0 1.6
(196′10″/7) (196′10″/6) (196′10″/5) (196′10″/4) (6.3) (5.5) (4.4) (3.5)
2.4 2.0 1.5 1.1
(5.2) (4.4) (3.3) (2.4)
62.5/2.3 62.5/1.9 62.5/1.4 62.5/1.0
(205′1″/5) (205′1″/4) (205′1″/3) (205′1″/2)
6655555555
(211′7″) (221′5″)
70.5
Load Charts of Boom Hook for FJ Operating condition
( not including jib hook, counterweight (85.2+5.8)×2000lb) Unit:kg(lb)×1000
(231′4″)
56
58
60
Number of rope
62
64
(209′12″)
48
50
52
54
34
36
38
40
(111′7″)
(118′1″)
(124′8″)
20
22
24
26
(65′7″)
(72′2″)
(78′9″)
10
12
(32′10″)
Length of jib(m)
67.5
Working radius(m)
(39′4″)
(45′11″)
(52′6″)
(59′1″)
14
16
18
(85′4″)
(91′10″)
(98′5″)
(104′12
″)
28
30
32
(131′3″)
(137′10″)
(144′4″)
(150′11″)
42
44
46
(157′6″)
(164′0″)
(170′7″)
(177′2″)
(183′9″)
(190′3″)
(196′10″)
(203′5″)
4.4: 6/7
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