R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 120)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
120/130
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
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For safety reasons the hoisting limit switch must always be adjusted before the
commissioning tests are continued.
7.1.5 Inspection and adjustment of the limit switch for travel (not in all models)
• Adjust the triggering locations of the limit switch. Check the operation of the limit switch by running
the hoist to the triggering locations.
!
For safety reasons the triggering locations of the limit switch for travel must be adjusted
before the commissioning tests are continued.
7.1.6 Inspection of hook and operation of rope sheaves.
• Check that the rope sheaves rotate freely.
• Check the general outlook of the coating in case of bronze coated hooks.
7.1.7 Inspection of rope.
• Check that the rope has not been damaged in transport.
• Check that the rope is correctly reeved.
• Check the fixing of the rope ends.
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Ensure that the rope is assembled inside the rope anchorage correctly.
• New wire rope shall be taken in use by a load, which is of approx. 10 % of the nominal load. This load
shall be lifted to the total lifting height 5 – 10 times. If the hook tries to turn around during the lifting,
place the hook in the lowest position without load, open the rope end wedge housing and rotate the
wedge housing until the hook is straight.
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Note the correct position of the wedge housing (see sticker).
7.1.8 Inspection of overload protection.
• Check that the overload protection mechanism operates correctly. Check that the rope anchorage
and support beam move freely.
7.1.9 Inspection of trolley
• Check that the wheelbase of the trolley is correctly adjusted.
• Check the tightening and locking of all screws for trolley adjustment.
• Run the trolley at least 3…5 times over the whole length of the girder.
7.1.10 Inspection of brake operation.
• Check that the hoisting brake operates correctly in both up and down directions.
7.2 Inspections with test-load, 100% of the rated load of the hoist.
7.2.1 Inspection of motor current.
• Check the motor current in each phase during hoisting motion with rated load.