Harrington Hoists and Cranes (N)ER Hoist - ((N)ER2) - Manual (Page 38)

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Table 5-8 Load and Idle Sheave Wear Dimensions
Load Sheave
Idle Sheave
Capacity Code
“Thickness” - inch (mm)
Standard Discard
001H, 003S, 003H 0.06 (1.5) 0.04 (1.0)
005L, 005S 0.12 (3.0) 0.08 (2.0)
010L, 010S, 020C 0.18 (4.5) 0.12 (3.0)
015S, 020L, 020S, 030C 0.26 (6.5) 0.17 (4.3)
025S, 030L, 050L 0.29 (7.3) 0.19 (4.9)
Table 5-9 Chain Spring Length Dimensions
Capacity
Code
“Length” - inch (mm)
Standard Discard
020C 3.94 (100) 3.74 (95)
020L 2.76 (70) 2.64 (67)
020S 3.35 (85) 3.19 (81)
025S 2.95 (75) 2.83 (72)
030L TBD TBD
030C 3.35 (85) 3.19 (81)
050L 2.95 (75) 2.83 (72)