Manitowoc 3900W - Page 243

Folio 1316-3
BOOM, JIB, TOWER, AND MAST
Table 1 Tubular Lacing And Chord Wall Thickness
NOTE 1: Measure good section of chord to determine thickness.
NOTE 2: Two top chords on boom top have 0.188 in. (4.8 mm) wall thickness.
Boom, Jib,
Tower, or
Mast
Number
Lacing Wall Thickness
in. (mm)
Chord Wall Thickness
in. (mm)
8 0.095 (2.4) Angle (NOTE 1:)
9A 0.095 (2.4) Angle (NOTE 1:)
17 0.109 (2.8) 0.340 (8.6)
18 0.095 (2.4)
0.25 (6.4) Butt
0.156 (4.0) Top & Inserts
22A, B, C 0.095 (2.4) Angle (NOTE 1:)
23 0.095 (2.4) 0.188 (4.8)
27 0.095 (2.4) Angle (NOTE 1:)
27A-27 0.095 (2.4) Angle (NOTE 1:)
27B
Butt: 3-3/4 (95.3) OD = 0.188 (4.8)
3-1/2 (88.9) OD = 0.156 (4.0)
3-1/4 (82.6) OD = 0.095 (2.4)
2-3/4 (69.9) OD = 0.095 (2.4)
Top & Inserts = 0.095 (2.4)
Angle (NOTE 1:)
39 0.095 (2.4) Angle (NOTE 1:)
39A 0.095 (2.4) Angle (NOTE 1:)
40 0.095 (2.4) Angle (NOTE 1:)
42 0.095 (2.4) 0.25 (6.4) (NOTE 2:)
44 0.120 (3.0) Angle (NOTE 1:)
45 0.120 (3.0) 0.156 (4.0)
46 0.120 (3.0) 0.188 (4.8)
47 0.120 (3.0) 0.25 (6.4)
62
4-1/2 (114.3) OD = 0.156 (4.0)
3-1/2 (88.9) OD = 0.156 (4.0)
3 (76.2) OD = 0.095 (2.4)
Angle (NOTE 1:)
65
4-1/2 (114.3) OD = 0.156 (4.0)
3-1/2 (88.9) OD = 0.156 (4.0)
3-3/4 (95.3) OD = 0.188 (4.8)
Angle (NOTE 1:)
122A 0.095 (2.4) 0.188 (4.8)
123 0.095 (2.4) 0.156 (4.0)
124 0.109 (2.8) 0.109 (2.8)
125 0.095 (2.4) 0.188 (4.8)
128 0.109 (2.8) 0.109 (2.8)
130 0.120 (3.0) 0.120 (3.0)
132 0.120 (3.0) 0.156 (4.0)
133 0.120 (3.0) 0.440 (11.1)
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