JLG X500AJ Operator Manual - Manual (Page 44)

SECTION 3 - MACHINE CONTROLS, INDICATORS AND OPERATION
3-10 – JLG Lift – 3121636
15. Left Side Track Drive And Steer
This control when moved forward or rearward
simultaneously with the right side track control
(22), allows the operator to move the machine in a
straight forward or reverse direction. If each con-
trol is moved individually, different amounts or in
opposite directions steering the machine occurs.
16. Tower Boom Lift
This control allows the operator to raise and lower
the tower boom.
17. Main Boom Lift
This control allows the operator to raise and lower
the main boom.
18. Main Boom Telescope
This switch allows the operator to extend and
retract the main boom.
19. Platform Rotate
This switch allows the operator to rotate the plat-
form to the right or left.
20. Jib
This control allows the operator to raise and lower
the jib.
21. Swing
This control allows the operator to swing the
boom assembly to the right or left.
22. Right Side Track Drive And Steer
This control when moved forward or rearward
simultaneously with the left side track control (15),
allows the operator to move the machine in a
straight forward or reverse direction or, if each
control is moved individually or in opposite direc-
tions, to steer the machine.
23. Engine Pre-Heat
Allows pre-heating of the gasoline engine. One
press on the button sets the engine at 2200 RPM
for 20 seconds, in order to pre-heat the engine and
improve machine operation after initial start.