R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 16-20-25 - Manual (Page 13)

LM16-20-25 I&M MANUAL/EN/11.30.2010
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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.
3 INITIAL START-UP
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WARNING: Before connecting power to hoist, check all “motion” buttons on pendant
control assembly to make sure that they operate freely without binding or sticking. Check
pendant cable and strain relief connection to ensure that they are not damaged.
3.1 General
Initial start-up procedures are as follows:
Read all attached WARNING tags and placards affixed to hoist.
Oil load chain generously over entire length of chain.
Make sure that load chain is not twisted. If so, untwist load chain before using.
Make sure fall stop is placed at least 6” [150 mm] from last chain link on free end.
Install chain container.
If furnished, make sure that trolley wheels have proper spacing in relation to beam flange. See
appropriate trolley manual for details.
Check direction of hook travel to make certain that it corresponds to respective control button that is
depressed. That is, does hook travel “ UP” when UP BUTTON is depressed? If OK, go to section 3.3. If
not, proceed to section 3.2 for correcting direction of travel.
3.2 Correcting the Direction of Hook Travel
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WARNING: DO NOT change control leads in pushbutton enclosure or at motor relays. DO
NOT change nameplates on pushbutton assembly. The upper/lower safety limit switch is
wired in series with “UP” control circuit as furnished from factory. Changing pushbutton
control leads or nameplates will prevent the upper safety travel limit switch from functioning
properly.
Reversing any two power leads of a three-phase AC motor will reverse the direction of rotation.
Reverse any two leads of a three-phase power at the main power source or at connections to motor.
Do not change internal wiring of hoist.
After changing two of the main power leads, recheck direction of rotation. Press “ UP” button only. If
hook travel goes in “UP” direction, proceed to section 3.3. If not, redo section 3.2.