JLG 400S Service And Maintenance Manual page 489

JIB LIFT
1. Platform level and centered with the boom. Jib Lift
Down until stop.
2. Jib Lift Up, record time.
3. Jib 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 Jib Lift Up and Down.
7. Return Knob to fully clockwise.
PLATFORM ROTATE
1. Platform level, Rotate Platform Right until stop
2. Platform Left, record time.
3. Platform Right, 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 Platform Rotate Left and Right.
7. Return Knob to fully clockwise.
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SECTION 6 - JLG CONTROL SYSTEM
NOTE: When the platform speed control knob is turned fully coun-
terclockwise. The platform rotate may not work, this is
acceptable.
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