Rm-materials-handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 5 User Manual download pdf (Page 40)

LM05 SERIES II 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.

7.9 Hooks

7.9.1 General

Check hooks for deformation or cracks. Hooks must be replaced if throat opening has increased by more

than 15%, or if throat opening has more than 10-degree twist from plane of straight hook.

Figure 17. Measuring Hook Deformation

Due to many types and sizes of hooks that can be furnished and/or specified by the user / owner, it is

recommended that user / owner measure the actual throat opening of hook as originally furnished. See

Figure 17. Record the throat dimension on above sketch. Retain as a permanent record. This record can

then be used for determining when hook must be replaced due to deformation or excessive throat opening.

CAUTION:

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Abuse or overloading of hoist is indicated when any hook is twisted or has a throat

opening in excess of normal. Other load bearing components SHALL be checked for

damage.

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Safety latches SHALL be replaced if missing, bent, or broken.

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A safety latch SHALL function properly at all times.

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Repairing hooks by welding or reshaping is strictly forbidden.

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Rm-materials-handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 5 User Manual Page 40

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