Konecranes CU1 - APPENDIX 4: How to Replace a Load Sensor(Hall-Element Type)

26.03.1996 • KHH SEENXL13A
•For Authorized KCI Service Agents Only•
KCI Hoists Corporation reserves the right to alter or amend the above information without notice
Page 37
XL
Service Manual
CU1
KCI KONECRANES GROUP
KCI HOISTS CORPORATION
CU1
1 SWP
2 Run Time
3 Starts
4 Overloads
5 Temp
6 Load
7 Brake
8 Ready
APPENDIX 4:How to replace a load sensor (Linear type)
APPENDIX 4:How to replace a load sensor (Linear type)APPENDIX 4:How to replace a load sensor (Linear type)
APPENDIX 4:How to replace a load sensor (Linear type)
The purpose of this instruction is to avoid the CU1 setup routine when linear type of
load sensor is renewed because of damage. This instruction is based on the fact
that the linearities of the load sensors are identical.
Note:
Note:Note:
Note: The CU1
The CU1 The CU1
The CU1 setup routine
setup routinesetup routine
setup routine must always be carried out if a strain-gauge
must always be carried out if a strain-gauge must always be carried out if a strain-gauge
must always be carried out if a strain-gauge
load sensor has to be renewed (see Appendix 5).
load sensor has to be renewed (see Appendix 5).load sensor has to be renewed (see Appendix 5).
load sensor has to be renewed (see Appendix 5).
1 Fill in the CU1 control page (see Appendix 8).
2 Switch the power off. Remove the damaged load sensor and disconnect its
wires (CU1:2,3,4). Install and connect a new load sensor.
3 Switch the power on. Change the CU1's display into the load mode. Adjust
the position of the new load sensor so that the CU1 displays 'L 00' without a
load on the hook (see Figure 1). If it is not possible to achieve the 'L 00'-value,
then the CU1 setup routine has to be carried out).
New model Old model (Hall) CU1
Adjustment
Figure 1. Adjusting of the position of linear load sensor.
4 Fasten the fixing screws of the load sensor with care.
5 Change the CU1 into the load mode. Lift the rated load of the hoist (or a
load as close to the rated load as possible, max. 110 %) to ensure that the
CU1 displays the correct load value. If the load displayed differs more than
±5 % from the correct load value, carry out the setup routine.
Load sensor
on the hoist