2 emergency lowering of boom, Ers with standard attachment, 2 emergency lowering of boom -2 – JLG 4017 Eccupped for Platform Operator Manual User Manual
Page 100: Ers with standard attachment -2, Warning

Section 5 - Emergency Procedures
5-2
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5.2
EMERGENCY LOWERING OF BOOM
In case of an emergency, engine or hydraulic failure an emergency recovery system
(ERS) is available at ground level.
ERS with Standard Attachment
1. Verify the emergency stop switch in the cab is not depressed.
2. Open the engine cover.
3. Locate the ERS control panel (1). Push the enable button (2) and verify the
green light (3) illuminates.
4. While depressing the enable button rotate either the lift/lower (4) or the extend/
retract (5) switches. Hold in place until the boom is retracted and/or lowered.
WARNING
TIP OVER HAZARD. To be used for retracting then lowering load only.
Extending/lifting load could damage the equipment and/or cause tip over
resulting in death or serious injury.
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3
6
2
4
5
OZ1720