R&M Materials Handling WIRE ROPE HOISTS Service User Manual
Page 43
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.
5.15 Hoisting limit switch (old, black)
The rotary hoist limit switch contains four contacts, with the below described default functions. The rotary
limit switch unit for hoisting is located in the connection box on the hoisting gearbox.
c_holi1c
S1. Supervision limit for phase sequence of hoisting (or hoisting safety limit).
S2. Upper limit of hoisting.
S3. Slowdown limit switch for hoisting.
S4. Lower limit for hoisting.
5. Locking screw for adjustment mechanism.
5.15.1 Service
• Check the proper tripping point of all limiting functions.
• Check that the locking screw (5) is tight.
• Check the wiring for loose connections.