SECTION 3 - MACHINE CONTROLS AND INDICATORS
3121664
– JLG Lift –
3-17
12.
Tower Boom Lift
Provides for raising and lowering of tower
boom when positioned up or down.
13.
Soft Touch/SkyGuard Indicator (If Equipped)
Indicates the Soft Touch bumper is against an object or the
SkyGuard sensor has been activated. All controls are cut out
until the override button is pushed. For Soft Touch, controls
are then active in the Creep Mode or for SkyGuard, controls
will work normally.
When Soft Touch is active, the indicator will be on continu-
ously and the alarm will sound. When SkyGuard is active, the
indicator will flash, and the horn will sound continuously.
14.
Platform Rotate
Provides rotation of the platform when posi-
tioned to the right or left.
15.
Function Speed Control
This control affects the speed of telescope,
tower lift and jib lift. Turning the knob all
the way counterclockwise until it clicks puts
drive, main lift and swing into creep mode.
NOTE:
To operate the Main Boom Lift/Swing joystick,
pull up on the locking ring below the handle.
NOTE:
The Main Boom Lift/Swing joystick is spring
loaded and will automatically return to neutral
(off) position when released.
16.
Main Lift/Swing Controller
Provides main lift and swing. Push for-
ward to lift up, pull backward to boom
down. Move right to swing right, move
left to swing left. Moving the joystick
activates switches to provide the func-
tions selected.
Summary of Contents for JLG 520AJ
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Page 26: ...SECTION 1 SAFETY PRECAUTIONS 1 14 JLG Lift 3121664 NOTES ...
Page 60: ...SECTION 3 MACHINE CONTROLS AND INDICATORS 3 22 JLG Lift 3121664 NOTES ...
Page 68: ...SECTION 4 MACHINE OPERATION 4 8 JLG Lift 3121664 Figure 4 3 Grade and Side Slopes ...
Page 75: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 15 Figure 4 5 Lifting and Tie Down Chart ...
Page 76: ...SECTION 4 MACHINE OPERATION 4 16 JLG Lift 3121664 Figure 4 6 Decal Location Sheet 1 of 6 ...
Page 77: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 17 Figure 4 7 Decal Location Sheet 2 of 6 ...
Page 78: ...SECTION 4 MACHINE OPERATION 4 18 JLG Lift 3121664 Figure 4 8 Decal Location Sheet 3 of 6 ...
Page 79: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 19 Figure 4 9 Decal Location Sheet 4 of 6 ...
Page 80: ...SECTION 4 MACHINE OPERATION 4 20 JLG Lift 3121664 Figure 4 10 Decal Location Sheet 5 of 6 ...
Page 81: ...SECTION 4 MACHINE OPERATION 3121664 JLG Lift 4 21 Figure 4 11 Decal Location Sheet 6 of 6 ...
Page 88: ...SECTION 5 EMERGENCY PROCEDURES 5 4 JLG Lift 3121664 NOTES ...
Page 108: ...SECTION 6 GENERAL SPECIFICATIONS OPERATOR MAINTENANCE 6 20 JLG Lift 3121664 NOTES ...
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