R&M Materials Handling MANUAL CHAIN HOISTS - Manual (Page 21)

RM SERIES II I&M MANUAL/EN/02.11.11
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5.2.3 Replacement Criteria for Brakes
Table 4. Replacement Criteria for Brakes
TON - ITEM THICKNESS AS NEW REPLACE WHEN
1/4 - 52308624 0.125 inches (3.18 mm) 0.086 inches (2.18 mm)
1/2 - 52308625 0.102 inches (2.59 mm) 0.063 inches (1.59 mm)
1 - 52308626 0.098 inches (2.50 mm) 0.059 inches (1.50 mm)
1 1/2 - 52308627 0.100 inches (2.55 mm) 0.061 inches (1.55 mm)
2 - 52308712 0.102 inches (2.59 mm) 0.063 inches (1.59 mm)
3 - 52308713 0.101 inches (2.56 mm) 0.061 inches (1.56 mm)
5 - 52308629 0.100 inches (2.54 mm) 0.061 inches (1.54 mm)
7 1/2 - 52308629 0.100 inches (2.54 mm) 0.061 inches (1.54 mm)
10 - 52308629 0.100 inches (2.54 mm) 0.061 inches (1.54 mm)
Figure 5. Brake Measurement