R&M Materials Handling WIRE ROPE HOISTS Service User Manual
Page 56

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.
5.21.2 Dismounting the travelling motor
• Ensure there is no danger of live voltage. 
• Remove the power supply plug (8) for the travelling machinery. 
• Unscrew the fixing screws (3) for the motor.
• Detach the motor from the gearbox.
• Re-assemble in the reverse sequence 
 
5.22 Inverter for travel
The electrical cubicle on the hoist contains a inverter that controls the speed of rotation of the travelling 
motor, according to the commands given by the operator. 
The inverter has a signal LEDs (2) indicating its operating status and eventual malfunction. 
The parameters of the inverter are pre-set at the factory, and usually do not require re-adjustment. In 
case re-adjustment is needed, please refer to the Service Manual of the respective inverter for details, or 
contact a representative of the manufacturer. 
All electrical connections to the inverter are made via connector(s) (1). 
 
0,7kW inverter 
c_fc007a
1. Connectors 
2. Signal LEDs 
3. Parameter switches 
 
2,2kW inverter 
c_fc022a
1. Connectors 
2. Signal LEDs 
3. Parameter switches 
