R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 71)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
71/130
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
found and repaired. The drum brake components must be checked for wear and damage
and then adjusted per instructions.
!
After the drum brake has been activated do not jumper any controls to lower the load using
the hoist.
15 2 4 1 3 20 21
c_db03a
1. Brake rim
2. Detent arm
3. Cam wheel
4. Follower
15. Micro switch
20. Rope drum
21. Adjustment spring
5.26.5 Service
• Check that the drum brake and surrounding surfaces are free from oil, grease, excessive dust and/or
other substances that may reduce the effectiveness of the friction material of the drum brake.
• Helical spring
- Check visually that there is no corrosion to the spring, and the spring is not worn at connection points.
• Follower roll
- Check visually that the roll is not corroded.
- Check that the roll is not worn more than 3 mm of its original diameter.
- Test that the roll follows the cam wheel easily and it is fixed firmly to the detent arm.
• Limit switch
- Check that the limit is securely fastened.