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229042ABASJ46 AJ+, SJ46 AJ, SJ51 AJ
Load Sensing System - CE & AS Section 5 – Procedures
5.3-2 Verify Proper Operation of the Load Sensing System
Overload Status Chart
Weight
Indicator
Light
Load Cell
LED Display
Audible
Alarm
MEWP
Functions
(Zero)
OFF
Error - OFF
Alarm - OFF
Zero/Tare - ON (orange)
Power - FLASHING (green)
OFF
ENABLED
(Work Mode
@ 244+)
FLASHING
Error - OFF
Alarm - FLASHING (red)
Zero/Tare - OFF
Power - FLASHING (green)
PULSING
DISABLED
(Travel Mode
@ 244+)
FLASHING
Error - OFF
Alarm - FLASHING (red)
Zero/Tare - OFF
Power - FLASHING (green)
PULSING
ENABLED
1. Ensure MEWP is on firm level ground.
2. Fully “ ” retract and “ ” lower boom.
3. Turn engine “ ” off.
4. Ensure both “ ” emergency stops are pulled out and platform engine enable switch is in “ ” on position.
Result: Overload indicator light and audible alarm will pulse two times.
5. Ensure platform is unloaded and is free from any surface contact.
Result: Green power LED is flashing, orange LED is ON, red alarm LED is OFF and red error LED is OFF.
6. Place a 244 kg load on platform.
Result: Platform indicator light is flashing, load cell red alarm LED is ON, and audible alarm is pulsing.
7. On base control console, start engine and extend boom by > 30 cm.
Result: All drive and boom function are disabled.
8. Remove load from platform.
Result: All drive and boom function are enabled and all warning indicators are OFF.
NOTE
Refer to Section 4 for load sensing system troubleshooting.
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