Rm-materials-handling WIRE ROPE HOISTS Service Manual de usuario Pagina 73

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R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
73/130
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
- Replace if deformations, cracks, broken welding seams, etc. are found around the hoisting unit fixing places.
5.26.5.6 Other components inspection after overspeed
Check the fixing of counterweights
- No deformations, cracks, etc. are allowed around the fixing places
Check visually the hook block, upper sheave block, overload device and rope anchorage
- No deformations allowed – change accordingly
Inspect the rope
Check the overload device with a load
Check the operation of the hoist upper limit switch
Check that the bridge and trolley wheels have not been damaged and are lying on the runway rails
Check the fixing of the machinery hoist
5.26.5.7 Drum brake inspection after overspeed
Check the detent arm for any damage
- The edge should not be deformed out of shape
Check the shaft of the detent arm
- No deformation, cracks, etc. should be on the shaft
Check the fixing hole for the detent arm
- No deformation i.e. oval shape or cracks
Change the brake rim(s), screws and disc springs
Proceed with all other checks as in normal drum brake service
Adjust the brake. Refer to the manufacturer’s hoist test report.
# With every fifth emergency breaking the detent arm and its shaft has to be changed.
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