R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 93)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
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R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
Disassembly:
• Lower the hook onto a stable working-platform. Pull with a gloved hand some extra rope down from
the drum, so that the hook-block is free. If needed, adjust the lower limit switch.
• Switch OFF the power supply to the crane.
• Remove the shaft locking parts (5).
• Extract the shaft (5) and the rope sheave (4) from the shaft support (3).
Re-assembly:
• Insert the sheave (4) and the shaft (5) into the shaft support (3)
• Lock the shaft with the locking screws.
• Tighten all fixing screws to the required torque.
• Switch ON the power supply to the crane.
• Raise the hook block. Carefully guide the rope with a gloved hand until the hook block hangs free
from the working platform.
• If the lower limit switch has been adjusted, re-adjust to the correct position.
• Test the operation of the hoist.
Return sheave, all other models
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Note: The actual outlook may vary, depending on the size!
2. Support shaft
3. Support frame
4. Rope sheave
5. Sheave shaft, sleeves and locking parts