Operation Manual
15
Dock Leveller ED
4. Machine isolation. Isolate the machine from the energy source(s). The
machine uses AC power. This is de-energized by removing the AC
connection to the machine.
5. Lock-out (or tag-out) device application. Lock out the energy isolating
device(s) with:
• An individual lock(s).
• A warning device on the main switch.
6. Remove residual or stored energy. Stored or residual energy (such as
that in capacitors, air pressure, etc.) must be dissipated or restrained by
methods such as grounding, bleeding down, etc.
7. Verification of isolation. Make sure that the machine is disconnected from
the energy source(s). First make sure that no persons are in or on the
machine. Test to verify the isolation of the machine. Make certain that the
machine will not operate (power cannot be turned on).
The machine is now locked out.
Return all operating control(s) to the OFF position after verifying the isolation of
the machine.
2.6.2 Ending lock-out/tag-out procedure
1. Make sure the service or maintenance is completed and the machine is
ready to return to normal operation.
2. Check the machine and the immediate area around to make sure that all
non-essential items have been removed.
3. Make sure that all components of the machine are operationally intact.
4. Make sure that all persons are at a safe distance from the machine.
5. Verify that the power switch is in the OFF position.
6. Remove the lockout devices.
7. Notify all personnel that the service or maintenance is completed and the
machine is ready for use.
2.7 Risks
The Dock Leveller has been carefully designed and expertly built for safe
operation. The European certifications confirm this. There are, however, still