JLG 4017PS Operator Manual - Manual (Page 151)

Section 6 - Emergency Procedures
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6.3 EMERGENCY LOWERING OF BOOM IF EQUIPPED FOR
PLATFORM
Auxiliary Power System
In case of an emergency or engine failure an auxiliary power system is available in
the cab.
1. Verify the power/emergency stop switch (1) is not depressed and the ignition
switch (2) is in position I.
2. Depress auxiliary power switch (3) and hold in place to engage auxiliary power
system.
3. While holding the switch, operate the boom joystick (4) until the attachment is at
ground level.
4. Release the auxiliary power switch and depress the emergency stop switch.
WARNING
TIP OVER HAZARD. To be used for retracting then lowering. Only use the
extend or lift functions if necessary and limit their duration. Extending/lifting could
damage the equipment and/or cause tip over.
OZ3860
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4
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2