R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 89)

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.
• Remove the hook-block fixing parts (13).
• Remove the side plates (11).
• Remove the sheave cover screws and remove the sheave cover plate (9).
• Remove the cover plate (7), locking set (8) and thrust bearing (5).
• Extract the hook (3) from the bearing set (4).
Re-assembly:
• Lubricate the thrust bearing and the hook shaft.
• Insert the hook (3) into the bearing house (4) and re-assemble the thrust bearing (5) and the locking
set (6).
1
2 1
2
c_hobeas1a
• Re-assemble the rope sheave (10), sheave cover plates (9) and the shaft (8).
• Insert the hook-assembly and the sheave-assembly into the side plates (11).
• Tighten the hook block fixing bolts and nuts (13) and the shaft assemble (8).
• 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.
Hook block 4-fall, 1-rope reeving, drum size
φ 303/355/406 mm
c_hb04as1b_005211
Note: The actual hook block outlook may vary slightly, depending on the manufacturing date!
2. Safety latch set
3. Hook forging.