R&M Materials Handling ELECTRIC CHAIN HOISTS LoadMate Chain Hoist LM 5 Stepless - Manual (Page 36)

LoadMate
®
LM05 STEPLESS I&M/EN/11.30.2010
36/71
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Copyright © (2010) R&M Materials Handling, Inc. All rights reserved.
7.8 Limit Switches
7.8.1 Upper and Lower Gear Limit Switch
It is located into the brake cover and is adjusted in our works. This device limits the path of the hook.
Figure 16. Gear Limit Switches
The setting is done as follows (after load chain replacement for example):
1. Take off the cap of the upper part of the hoist.
2. Remove the guiding bar (1).
3. For upper limit switch: Move the adjustment disc (4) on the bottom side of the hoist.
4. For lower limit switch: Move the adjustment disc (3).
5. Put the guiding bar (1) back into the corresponding holes of the discs.
6. Check that the limit switches stop the direction at the desired positions.
If they don’t, restart the adjustment from point 2.
7. Check that the hook or buffer doesn’t touch the casing when stopping at high speed.
8. Put back the cap.
Note: Due to the deceleration ramp of the stepless speed control, the stopping position in high or low speed
may vary.