R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 1 User Manual
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LM01 I&M MANUAL/EN/11.30.2010
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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 may 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.
m
CAUTION: Read the instructions supplied with the product before installation and
commissioning.
m
CAUTION: Keep the instructions in a safe place for future reference.
Table of contents
1
INTRODUCTION ........................................................................................................................................ 5
1.1
Contact Information ........................................................................................................................... 5
1.2
Warranty ............................................................................................................................................ 5
1.3
Disclaimer .......................................................................................................................................... 5
1.4
Safety ................................................................................................................................................. 6
1.5
Placards and Instructions .................................................................................................................. 8
2
INSTALLATION ......................................................................................................................................... 9
2.1
General .............................................................................................................................................. 9
2.2
Lubrication ......................................................................................................................................... 9
2.3
Mounting .......................................................................................................................................... 10
2.4
Load Hook Throat Opening ............................................................................................................. 10
2.5
Electrical Connection ....................................................................................................................... 11
2.6
Three Phase Power Connections .................................................................................................... 12
2.7
Single Phase Power Connections ................................................................................................... 13
3
INITIAL START-UP .................................................................................................................................. 14
3.1
General ............................................................................................................................................ 14
3.2
Correcting the Direction of Hook Travel .......................................................................................... 14
3.3
Operational Checks – No Load ....................................................................................................... 15
3.4
Operational Checks – With Load ..................................................................................................... 15
4
HOIST OPERATION ................................................................................................................................ 16
5
MAINTENANCE ....................................................................................................................................... 17
5.1
Basic Hoist Construction .................................................................................................................. 17
5.2
Motor / Body..................................................................................................................................... 17
5.3
Hoist Motor Brake and Load-Limiting Device .................................................................................. 18
5.3.1
Slip Clutch Operation (See Figure 5) ........................................................................................... 18
5.3.2
Slip Clutch Adjustment after Installation ...................................................................................... 20
5.3.3
Hoist Motor Brake Adjustment (See Figure 5) ............................................................................. 21
5.3.4
Replacement Criteria for Motor Brakes ....................................................................................... 22
5.4
Load Chain....................................................................................................................................... 23
5.4.1
General ........................................................................................................................................ 23
5.4.2
Maintenance Inspection ............................................................................................................... 23
5.4.3
Load Chain Specifications (see Figure 6) .................................................................................... 25
5.4.4
Removing the Load Chain ........................................................................................................... 25
5.4.5
Installing the Load Chain ............................................................................................................. 26
5.5
Fall Stop Assembly .......................................................................................................................... 28
5.5.1
General ........................................................................................................................................ 28
5.5.2
Fall Stop Installation .................................................................................................................... 28
5.6
Chain Container ............................................................................................................................... 29
5.7
Limit Switches .................................................................................................................................. 30
5.7.1
Upper and Lower Travel Safety Limit Switch ............................................................................... 30
5.7.2
Upper and Lower Rotary Travel Limit Switch (Optional Only on 3-Phase units) ......................... 31
5.8
Hooks ............................................................................................................................................... 32
5.8.1
General ........................................................................................................................................ 32
5.8.2
Inspection ..................................................................................................................................... 33
5.8.3
Hook Dimensions and Specifications .......................................................................................... 33
5.8.4
Top Hook ..................................................................................................................................... 34
5.9
Controls ............................................................................................................................................ 35
5.9.1
General ........................................................................................................................................ 35