R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 5 Stepless User Manual
Page 27
LoadMate
®
LM05 STEPLESS I&M/EN/11.30.2010
27/71
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.
SEE Figure 10
m
CAUTION: Make sure the motor is not running before placing tool on the nut to adjust it.
Do not touch any moving components.
m
CAUTION: The slip-clutch generates heat when slipping. ITEMS 3, 8 & 17 absorb this heat.
When these items become too hot, clutch adjustment may be difficult due to unstable
behavior of friction surfaces. If this happens, allow brake & clutch assembly to cool before
trying to re-adjust slip-clutch.
m
CAUTION: Decreasing torque too much when adjusting slip-clutch will allow a suspended
load to free-fall when trying to lift. If this occurs, release the motion button and the brake
will engage to stop and hold the load.
7.3.2 Slip Clutch Adjustment after Installation
The brake and the clutch torque are connected to each other. This is due to the fact that the brake lining
(16) diameter is twice the clutch lining diameter (17) and that they are activated thru the same spring (4).
Then, only a clutch setting is required and no brake setting is afterwards needed.
The clutch is set by tightening or loosening the over (14) to increase or decrease the hoisting capacity. The
clutch setting tool should be connected to the chain. The clutch should then be adjusted at a level 125% of
the nominal load of the hoist.
NOTE: The slip clutch / Torque Limiter is a safety device to prevent overloading of the
hoist. This device is not intended for use as means to measure the weight of load being
lifted.
NOTE: To adjust the slipping clutch, it is recommended to use the chain force
measuring device. Nevertheless, it is possible to use loads.