Harrington Hoists and Cranes SHB Trolley - Manual (Page 29)

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Table 5-4 Bottom Hook Dimensions
“k” Measured When New:
Bottom: ______________________
Product Code
Nominal "k"
Dimension*
inch (mm)
"u" Dimension
inch (mm)
"t" Dimension
inch (mm)
Standard Discard Standard Discard
SHB010 1.92 (48.8) 0.86 (21.8) 0.77 (19.6) 0.63 (16.0) 0.57 (14.4)
SHB020 2.36 (59.9) 1.18 (30.0) 1.06 (27.0) 0.86 (21.8) 0.77 (19.6)
SHB030 2.72 (69.1) 1.48 (37.5) 1.33 (33.8) 1.07 (27.2) 0.97 (24.5)
SHB050 3.06 (77.8) 1.87 (47.5) 1.69 (42.8) 1.36 (34.5) 1.22 (31.1)
SHB080
4.03 (102.3) 2.88 (73.0) 2.23 (56.7) 1.87 (47.5) 1.69 (42.8)
SHB100
* These values are nominal since the dimension is not controlled to a tolerance. The "k" dimension
should be measured when the hook is new - this becomes a reference measurement. Subsequent
measurements are compared to this reference to make determinations about hook
deformation/stretch. See
Section 5.7 , “Hooks - Stretch”.
Table 5-5 Chain Wear Dimensions
Product Code
“P” Dimension
inch (mm)
“d” Dimension
inch (mm)
Standard Discard Standard Discard
SHB010 2.97 (75.5) 3.06 (77.7) 0.20 (5.0) 0.18 (4.5)
SHB020 4.17 (106.0) 4.30 (109.1) 0.28 (7.1) 0.25 (6.4)
SHB030 4.76 (121.0) 4.91 (124.6) 0.32 (8.0) 0.28 (7.2)
SHB050
SHB080
SHB100
5.35 (136.0) 5.51 (140.0) 0.35 (9.0) 0.32 (8.1)