JLG M450 Operator Manual - Manual (Page 31)

SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121210 – JLG Lift – 3-1
SECTION 3. MACHINE CONTROLS AND INDICATORS
3.1 GENERAL
THE MANUFACTURER HAS NO DIRECT CONTROL OVER MACHINE
APPLICATION AND OPERATION. THE USER AND OPERATOR ARE
RESPONSIBLE FOR CONFORMING WITH GOOD SAFETY PRACTICES.
This section provides the necessary information needed to
understand control functions.
3.2 CONTROLS AND INDICATORS
NOTE: This machines is equipped with control panels that use
symbols to indicate control functions. On ANSI machines,
refer to decal located on the control box guard in front of
the control box or by the ground controls for these sym-
bols and the corresponding functions.
Ground Control Station
(See Figure 3-1. and Figure 3-2.)
NOTE: When machine is shut down the Platform/Ground Select
switch and Emergency Stop must be positioned to OFF.
NOTE: If equipped, the Function Enable switch must be held
down in order to operate Telescope, Lower Lift, Swing,
Main Lift, Jib Lift, Platform Level Override, and Platform
Rotate functions.
1. System Distress Indicator (If Equipped)
The system distress indicator lights to signify an abnor-
mal condition for the generator engine (high oil tempera-
ture or low oil pressure) or, on electric machines, an
electrical system fault.
NOTE: The engine will automatically shut down under the follow-
ing conditions:
High Oil Temperature
Low Oil Pressure
Engine Overspeed
Overvoltage