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SJ63 AJ+, SJ63 AJ 229043AAA
Load Sensing System - CE & AS Section 5 – Procedures
5.3-3 Calibration of Load Sensing System (with “Teach In” Handset)
WARNING
Do not interrupt system power during this procedure.
Do not rest your hand or foot on the platform during this procedure.
1. Ensure the MEWP is on firm level ground.
2. Fully retract
and lower the boom.
3. Turn the engine off .
4. Ensure both emergency stops are pulled out and platform engine enable switch is in the on
position .
Result: Overload indicator light and audible alarm pulse two times.
5. Ensure the platform is unloaded and is free from any surface contact.
6. Remove the cap from the load cell interface connector.
7. Connect the “Teach in” handset to the interface connector.
Result: The “T” label on the handset will flash at a high frequency of 5Hz. If not, recheck that power is on and
the handset is properly connected.
WARNING
Do not disconnect the handset at any point during the following steps until instructed.
8. On the “Teach in” handset, depress the “4” button for four seconds.
Result: The “T” label on the handset lights on constantly.
9. Add a test load of 244 kg (538 lb) onto the center of the platform.
10. Depress the “4” button for four seconds.
Result: The “T” label on the handset will go from flashing to constantly on.
11. Disconnect the “Teach in” handset from the interface connector.
12. Wait for four seconds and then add a test load exceeding 244 kg (538 lb) to test the load sensing system.
Result: On the platform control console, the overload light will flash and an audible alarm will pulse.
13. Remove the test load from the platform.
Result: The green power LED flashes, the orange LED is ON, the red alarm LED is OFF, the audible alarm is
OFF, and the red error LED is OFF.
14. Re-cap interface connector and placethe provided “calibrated” label over the interface connector.
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