Harrington Hoists and Cranes (N)ER Hoist - ((N)ER1) - Manual (Page 28)

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Table 5-6 Motor Brake Wear Dimensions
NOTICE
Brake must be properly adjusted before measuring "A". See Section 6.3
Capacity Code
"A" Dimension - inch (mm)
Single Speed Dual Speed
Standard Discard Standard Discard
001H, 003S, 005L 0.67 (17) 0.61 (15.5) 0.67 (17) 0.61 (15.5)
003H, 005S, 010L, 010M 0.85 (21.5) 0.79 (20) 0.85 (21.5) 0.79 (20)
010S, 015S, 020L, 020M,
030C
0.89 (22.5) 0.83 (21)
1.06 (27)
1.00 (25.5)
020S, 025S, 030L, 030S, 050L 0.83 (21) 0.77 (19.5) 1.54 (39) 1.48 (37.5)