R&M Materials Handling WIRE ROPE HOISTS Service - Manual (Page 26)

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. Cover of rim gear
6. Rim gear
7. End flanges of hoisting machinery
A, B, C, D Fixing screws for hoisting machinery
Disassembly:
• Lower the hook to the ground. Switch OFF the power supply to the hoist.
• Remove the protective cover of the hoisting machinery.
• Lock the rope drum with i.e. a wooden wedge, to prevent it from rotating.
!
The weight of the rope may cause the drum to rotate when the gearbox is detached.
• Open the cover of the connection box on the gearbox (3).
• Extract the power feed connector for the hoisting motor.
• Remove the brake wires from the connector
• Detach the rotating limit switch (4).
• Loosen the cable entry and remove the cable and rotating limit switch from the connection box.
#
In some models you must remove the wires from the limit switch and the terminal strip.
• Remove the fixing screws A and C from the hoisting machinery and replace them with thread bars
(Drum size ø 303/355 mm: M8x600, Drum size ø 406 mm: M12x 800).
• Remove the fixing screws B and D
c_homo1f
2
4
5
6
1
3
1. Fan cover
2. Fan
3. Brake
4. Brake disc
5. Fixing screws for motor
6. Friction plate
• Remove the fan cover (1).
• Remove the fan (2).
• Raise the hoisting motor at the brake-end and extract the machinery from the rope drum.
#
Use lifting aid, such as a chainhoist for the bigger/heavier models
• Lower the machinery to rest on the gearbox with the motor facing upwards.