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R&M LOADMATE LM Series - User Manual

R&M LOADMATE LM Series
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This document and the information contained herein, is the exclusive property of R&M Materials Handling, Inc., and represents a non-public, confidential and proprietary trade secret that
ma
y not be reproduced, disclosed to third parties, altered or otherwise employed in any manner whatsoever without the express written consent of R&M Materials Handling, Inc.
Copyright © (2010) R&M Materials Handling, Inc. All rights reserved.
INSTALLATION AND
MA
INTENANCE MANUAL
LM CHAIN HOIST
LOADMATE
®
LM1
English
STD-R-KHA-F-CQD-ENG

Table of Contents

Questions and Answers

  • J
    Judy PetersenAug 5, 2025
    What to do if R&M LOADMATE LM does not lift or lower load?
    • T
      Teresa VelazquezAug 5, 2025
      If your R&M Chain Hoist isn't lifting or lowering, several things could be happening. First, check if the emergency stop button is activated and deactivate it. A blown fuse could also be the culprit, so replace it. The motor's thermal protection might have kicked in, so allow the motor to cool down. Ensure the pendant plug pin is correctly installed. Also, check that the contactor terminal screws are tightened and that the mainline switch is turned on.
  • A
    Andres ParkerAug 12, 2025
    What to do if R&M LOADMATE LM does not lift load?
    • S
      Sheila VasquezAug 13, 2025
      If your R&M Chain Hoist isn't lifting the load, it could be due to a few reasons. You might be experiencing an overload condition, in which case you should reduce the load. Alternatively, the slip clutch could be worn or incorrectly adjusted; consider replacing wear items or readjusting the slip clutch torque. Another possibility is that the brake isn't releasing, so check the brake coil resistance, air gap setting, and rectifier output voltage, adjusting if necessary.
  • S
    simsbrittanyAug 19, 2025
    Why R&M LOADMATE LM Chain Hoists makes abnormal noises while lifting or lowering?
    • R
      Riley VazquezAug 20, 2025
      If you notice unusual noises when lifting or lowering with your R&M Chain Hoists, here's what might be happening: * The load chain and its components may need lubrication, so clean and lubricate the load chain. * The load chain could be worn and needs replacement. * The chain wheel or chain guide might be worn, requiring replacement. * The idler sprocket could be worn and needs replacing. * A supply phase might be missing; ensure all three phases are connected. * There might be a twist or kink in the load chain; remove it.
  • K
    Kelsey SmithAug 27, 2025
    Why load drifts more than 4 inches [100mm] on R&M LOADMATE LM?
    • P
      phartAug 27, 2025
      If the load drifts more than 4 inches [100mm] on your R&M Chain Hoists, it could be that the brake lining is worn, or the air gap on the brake is too wide. Replace the worn parts as necessary and adjust the air gap setting.

Summary

INSTALLATION

Mounting Types

Describes different hoist mounting configurations and balance checks.

Electrical Connection

Instructions and cautions for connecting the hoist to the power supply.

Three Phase Power Connections

Details wiring connections for three-phase power supply.

Single Phase Power Connections

Details wiring connections for single-phase power supply.

INITIAL START-UP

Correcting Hook Travel Direction

Explains how to reverse motor direction for correct hook travel.

Operational Checks - No Load

Procedures for testing hoist functions without a load.

Operational Checks - With Load

Procedures for testing hoist functions with a load.

HOIST OPERATION

MAINTENANCE

Hoist Motor Brake and Load-Limiting Device

Explains the function of the motor brake and slip clutch.

Slip Clutch Operation

Details how the slip clutch functions and is adjusted.

Slip Clutch Adjustment after Installation

Step-by-step guide for adjusting the slip clutch.

Hoist Motor Brake Adjustment

Procedures for adjusting the air gap on the hoist motor brake.

Load Chain

General information and inspection guidelines for the load chain.

Load Chain Maintenance Inspection

Procedures for inspecting the load chain for wear and damage.

Limit Switches

Description of the upper and lower travel safety limit switches.

Hooks

General information and inspection of hoist hooks.

Hook Inspection

Controls

Overview of hoist control systems and fuses.

Control Panel Layout - Three Phase

Control Panel Layout - Single Phase

PREVENTATIVE MAINTENANCE

Maintenance and Inspection Table

Schedule for routine maintenance and inspection tasks.

Troubleshooting

Guide to diagnosing and resolving common hoist problems.

R&M LOADMATE LM Series Specifications

General IconGeneral
BrandR&M
ModelLOADMATE LM Series
CategoryChain Hoists
LanguageEnglish

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