2 emergency lowering of boom, Ground ers, Platform ers – JLG 4017 Eccupped for Platform Operator Manual User Manual
Page 184: 2 emergency lowering of boom -2, Ground ers -2 platform ers -2

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.
Ground ERS
Refer to the Operator & Safety Manual supplied with telehandler.
Platform ERS
1. Verify the emergency stop switch (1) is not depressed.
2. Turn ignition switch (2) to position “ERS”. The ERS indicator (3) should
illuminate. If platform is overloaded, the platform overload indicator (4) will
illuminate and alarm will sound until the load is below maximum capacity.
3. Activate the foot switch (5) to enable the ERS joystick (6).
4. While depressing the footswitch; move joystick back to lower boom; move
joystick forward to raise boom; move joystick left to retract boom; move joystick
right to extend boom. Operate until the platform is at ground level.
Note: It is recommended to only use the extend or lift functions if necessary and to
limit their duration.
5. Release the footswitch and turn ignition switch off.
OZ1750
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