JLG 4017RS Operator Manual - Manual (Page 47)

Section 3 - Controls and Indicators
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• Travel in accordance with the requirements set forth in Section 1 - General Safety
Practices.
• Test LSI (6) at the beginning of each work shift. See Section 8 - Additional Checks.
• When placing a load, ensure axles are not fully steered in either direction.
WARNING
TIP OVER HAZARD. If the green, orange and red LEDs flash and warning buzzer
sounds, retract and lower boom immediately. Determine cause and correct before
continued use.