Ground Controls - JLG 400SJ Operation And Safety Manual

SECTION 3 - MACHINE CONTROLS AND INDICATORS

Ground Controls

See Figure 3-1., Ground Control Station - S Models and Figure
3-2., Ground Control Station - SJ Models
P E R F O R M P R E - O P E R AT I O N A L C H E C K S A N D
INSPECTIONS FROM THE GROUND CONTROL STA-
TION. WHEN PERSONNEL ARE IN THE PLATFORM,
OPERATION OF THE BOOM WILL ONLY BE PER-
FORMED WITH THE PERMISSION OF THE PLATFORM
OCCUPANT(S).
NOTE: Engine Start/Auxiliary Power, Main Lift, Swing, Plat-
form Level, Main Telescope, and Platform Rotator
control switches are spring-loaded and will automati-
cally return to neutral (off) when released.
TO AVOID SERIOUS INJURY, DO NOT OPERATE MACHINE IF ANY CON-
TROL LEVERS OR TOGGLE SWITCHES CONTROLLING PLATFORM
MOVEMENT DO NOT RETURN TO THE OFF POSITION WHEN
RELEASED.
3-2
NOTE: If equipped, the Function Enable switch
must be held down in order to operate Tele-
scope, Swing, Lift, Jib Lift, Platform Level
Override, and Platform Rotate functions.
1. Platform Rotate.
Permits rotation of the platform when positioned to the
left or right.
ONLY USE THE PLATFORM LEVELING OVERRIDE FUNCTION FOR
SLIGHT LEVELING OF THE PLATFORM. INCORRECT USE COULD
CAUSE THE LOAD/OCCUPANTS TO SHIFT OR FALL. FAILURE TO DO SO
COULD RESULT IN DEATH OR SERIOUS INJURY.
2. Platform Leveling Override
A three position switch allows the operator to adjust the
automatic self leveling system. This switch is used to
adjust the platform level in situations such as ascend-
ing/descending a grade.
3. Articulating Jib Boom. (If Equipped)
Provides raising and lowering of the jib when posi-
tioned up or down.
– JLG Lift – 3121216