R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 100)

R&M Materials Handling, Inc.
4501 Gateway Boulevard
Springfield, Ohio 45502
P.: (937) 328-5100
FAX: (937) 325-5319
100/130
R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.
Overload protection, mechanical switch
c_odme1b
1. Rope anchorage
2. Lever mechanism
3. Set of plate springs
4. Mechanical limit switch
5. Adjustment screw for mechanical limit switch
Overload protection, load sensor
c_odme1b
1. Rope anchorage
2. Lever mechanism
3. Load sensor
4. Safety limit switch
!
Safety limit switch (4) is designed for overload mechanism supervision, not for overload
protection. Safety limit switch (4) does not measure load and it is no substitute for load
sensor (3).
5.31.1 Service
• Check the good condition of the overload protection mechanism and the mechanical limit switch.
Clean if needed
• Test the safety limit switch (4) operation by pressing the switch manually.