Do A Test Of The Freewheeling Function; Do A Test Of The Emergency-Stop Button On The Platform - Skyjack SJ3215 Operation Manual

Section 4 – Inspections Before Operation
Free-wheeling valve
4.3-7 Do a test of the freewheeling
function
1. Make sure the path of travel is clear.
2. Put wheel chocks or blocks at the front of the
wheels and behind them to prevent MEWP
movement.
3. Turn the freewheeling valve knob
counterclockwise to a fully open position.
4. Release the brakes manually (refer to
Section 6.3).
5. Remove the wheel chocks or blocks.
6. Push or pull the MEWP .
Result: The MEWP moves.
▪
7. Put wheel chocks or blocks at the front of the
wheels and behind them to prevent MEWP
movement.
8. Turn the freewheeling valve knob clockwise to a
fully close position for operation.
9. Engage the brake (refer to
216380ACA
44
Platform control console
3
1
1
Section 6.4).
2
2
4
4.3-8 Do a test of the emergency-stop
button on the platform
1. Make sure the main power disconnect switch is
in the on position.
2. Pull the emergency-stop button on the base
control console.
3. Turn the off/platform/base key switch to the
platform position.
WARNING
Fall hazard. Use the three points of contact
principle when you use the MEWP ladder to enter
or exit the platform. If you do not obey, there is a
risk of death or serious injury.
4. Use the MEWP ladder to enter the platform.
5. Close the gate.
6. Pull the emergency-stop
platform control console.
7. Move the lift/off/drive switch
position.
8. Push the emergency-stop button.
9. Squeeze and hold the function-enable switch
.
3
10. Push the controller handle
Result: The drive function does not operate.
▪
SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
Function Tests
3
5
button on the
5
to the drive
4
to drive forward.
2