R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 45)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
45/130
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
5.15.3 Adjustment
c_holi2b
S1. Measurement for phase sequence supervision limit
S2. Measurement for upper limit of hoisting
S3. Measurement for slowdown limit of hoisting
S4. Measurement for lower limit of hoisting
C. Minimum distance of hook from bearing surface of hoist travel wheel
H. Maximum lifting height
• Lower the hook to approx. 100mm above the floor.
• Loosen the locking screw (5)
• Turn the screw “S4” until the limit switch “S4” is just activated.
• Tighten the locking screw and test the operation. The downwards motion must stop at the described
distance.
• Repeat step 1…4 until the correct setting is achieved.
• Raise the hook until the top of the hook-block is approx. 100mm under the bottom flange of the main
girder or other fixed structure.
• Loosen the locking screw (5)
• Turn the screw “S3” until the limit switch “S3” is just activated.
• Tighten the locking screw and test the operation. The upwards motion must slow down to Low speed
at the described distance.
• Repeat step 6…9 until the correct setting is achieved.
• Raise the hook until the top of the hook-block is approx. 50mm under the bottom flange of the main
girder or other fixed structure.
• Loosen the locking screw (5)
• Turn the screw “S2” until the limit switch “S2” is just activated.
• Tighten the locking screw and test the operation. The upwards motion must stop at the described
distance.
• Repeat step 11…14 until the correct setting is achieved.