Harrington Hoists and Cranes (G)NTH Trolley - Manual (Page 26)

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Table 5-5 Chain Pin Hole and Top Pin Hole Wear Dimensions
Product Code
Hole Diameter (d)
Chain Pin Hole
inch (mm)
Top Pin Hole
inch (mm)
Standard Discard Standard Discard
NTH010, NTH020 0.319 (8.1) 0.339 (8.6) 0.480 (12.2) 0.500 (12.7)
NTH030, NTH050 0.350 (8.9) 0.370 (9.4) 0.638 (16.2) 0.658 (16.7)
Table 5-6 Body Top Pin Wear Dimensions
Product Code
“d” Dimension
inch (mm)
Standard Discard
NTH010, NTH020 0.472 (12) 0.433 (11)
CF030, CF050 0.630 (16) 0.591 (15)
Table 5-7 Chain Pin Wear Dimensions
Product Code
“d” Dimension
inch (mm)
Standard Discard
NTH010, NTH020 0.311 (7.9) 0.295 (7.5)
NTH030, NTH050 0.343 (8.7) 0.327 (8.3)
Table 5-8 Chain Wear Dimensions
Product Code
“P” Dimension
inch (mm)
“d” Dimension
inch (mm)
Standard Discard Standard Discard
NTH010, NTH020 3.76 (95.5) 3.85 (97.9) 0.25 (6.3) 0.22 (5.7)
NTH030, NTH050 4.18 (106.2) 4.29 (108.9) 0.28 (7.1) 0.26 (6.5)