JLG 4017RS Operator Manual - Manual (Page 61)

Section 3 - Controls and Indicators
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3.5 OPERATOR SEAT
Operator Presence
The operator seat (1) is equipped with an operator presence system. Engine start and
hydraulic functions are prohibited if operator is not present. If the system detects a loss of
pressure during operation, after a two second delay one of the following will occur:
1. With the park brake (2) engaged and transmission in neutral (3):
• Hydraulic controls are disabled. (Continuous Auxiliary function permitted)
• Upon returning to seated position, hydraulic controls are enabled.
2. With the park brake (2) disengaged and transmission in neutral (3):
• Hydraulic controls are disabled and horn sounds continuously. (Continuous
Auxiliary function permitted)
• Upon returning to seated position, hydraulic controls are enabled and horn will
cease.
3. With the park brake (2) disengaged and transmission in forward or reverse (3):
• Hydraulic controls are disabled, horn sounds continuously and transmission shifts
to neutral.
• Upon returning to seated position, hydraulic controls are enabled and horn will
cease. Return transmission to neutral to allow system to reset prior to reengaging
forward or reverse travel.
OZ4181
3
1
3
2
(IF EQUIPPED)
(IF EQUIPPED)