Page 226 December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 5 - ProceduresService and Maintenance
Verify Proper Operation of the Load Sensing System
Overload Status Chart
Weight
Indicator
Light
Load Cell
LED Display
Audible
Alarm
Aerial Platform
Functions
(Zero)
OFF
Error - OFF
Alarm - OFF
Zero/Tare - ON (orange)
Power - FLASHING (green)
Error - OFF
Alarm - ON (red)
Zero/Tare - OFF
Power - FLASHING (green)
Error - OFF
Alarm - FLASHING (red)
Zero/Tare - OFF
Power - FLASHING (green)
OFF
ENABLED
(Work Mode
@ 244+)
FLASHING
Error - OFF
Alarm - OFF
Zero/Tare - ON (orange)
Power - FLASHING (green)
Error - OFF
Alarm - ON (red)
Zero/Tare - OFF
Power - FLASHING (green)
Error - OFF
Alarm - FLASHING (red)
Zero/Tare - OFF
Power - FLASHING (green)
PULSING
DISABLED
(Travel Mode
@ 244+)
FLASHING
Error - OFF
Alarm - OFF
Zero/Tare - ON (orange)
Power - FLASHING (green)
Error - OFF
Alarm - ON (red)
Zero/Tare - OFF
Power - FLASHING (green)
Error - OFF
Alarm - FLASHING (red)
Zero/Tare - OFF
Power - FLASHING (green)
PULSING
ENABLED
1. Ensure aerial platform is on rm 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.
ResultOverload indicator light and audible alarm will pulse two times.
5. Ensure platform is unloaded and is free from any surface contact.
ResultGreen power LED is ashing, orange LED is ON, red alarm LED is OFF and red error LED is OFF.
6. Place a 244kg load on platform.
ResultPlatform indicator light is ashing, load cell red alarm LED is ON, and audible alarm is pulsing.
7. On base control console, start engine and extend boom by > 300mm.
ResultAll drive and boom function are disabled.
8. Remove load from platform.
ResultAll 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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