JLG 400S Service And Maintenance Manual page 488

SECTION 6 - JLG CONTROL SYSTEM
SWING
1. Boom at full elevation, Telescope retracted. Swing Right
until over rear axle or end stop (if equipped).
2. Swing Left 360° or end stop (if equipped), record time.
3. Swing Right 360° or end stop (if equipped), record time.
4. Turn Platform Speed Control Knob fully
counterclockwise to enter Creep mode.
5. Creep light on Panel must be energized.
6. Verify that machine will swing left and right.
7. Return Function Speed Knob to fully
clockwise.
TOWER LIFT
1. Tower Lift in stowed position, Telescope Retracted.
2. Tower Lift Up, record time.
3. Tower Lift Down, record time.
4. Turn Platform Speed Control Knob fully
counterclockwise to enter Creep mode.
5. Creep light on Panel must be energized.
6. Verify that machine will Tower Up and
Down. Return Knob to fully clockwise.
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MAIN LIFT
1. Main Lift in stowed position, Telescope Retracted.
2. Main Lift Up, record time.
3. Main Lift Down, record time.
4. Turn Platform Speed Control Knob fully
counterclockwise to enter Creep mode.
5. Creep light on Panel must be energized.
6. Verify that machine will Lift Up and Down.
7. Return Knob to fully clockwise.
TELESCOPE
1. Main Lift at full elevation, Telescope Retracted.
2. Telescope Out, record time.
3. Telescope In, record time.
4. Turn Platform Speed Control Knob fully
counterclockwise to enter Creep mode.
5. Creep light on Panel must be energized.
6. Verify that machine will Telescope In
and Out.
7. Return Knob to fully clockwise.
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