HS50的结构及原理 - 第55页
Adjustment Instructions SIPLACE HS -50 2 Operational Safety Edition 05/00 2.6 Locking Up of Machine and T agging of Warn Signs 55 .(< – Alternativ ely: At tach warni ng si gns If a machi ne ca n be lock ed, it mus…
2 Operational Safety Adjustment Instructions SIPLACE HS-50
2.6 Locking Up of Machine and Tagging of Warn Signs Edition 05/00
54
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Before performing any maintenance work or service work, a procedure of locking and tagging
must be followed. The procedure, when followed correctly eliminates the possibility of an
employee being injured.
NOTE
These procedures represent the minimum lock / tag out requirements.
Any additional safe - guards needed to complete work safely can be specified by supervision fa-
cilities, the safety officer, the safety committee and the health department.
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Whenever it becomes necessary to isolate, control and release energy, the following procedure is
to be followed
(1) Notify all involved employees.
(2) Shut down the system and all equipment, using normal stopping procedures, such as
– pressing the STOP button
– shutting down the station computer or
– switching off the placement system at the main switch.
(3) Isolate the equipment from all its energy sources such as
– compressed air supply and
– power supply.
(4) Lock up the system
– Fasten a lock wherever possible, e.g. on the
motor protection switch.
Adjustment Instructions SIPLACE HS-50 2 Operational Safety
Edition 05/00 2.6 Locking Up of Machine and Tagging of Warn Signs
55
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– Alternatively: Attach warning signs
If a machine can be locked, it must be locked. However, there are situations where in order to
release energy locks cannot be used. In these cases, these machines must be tagged with warn-
ing signs in order to warn employees that the machine is energized for servicing. The tag must be
securely fastened, it must be placed in a position visible to all and it may only be removed by the
person who attached it.
1. Turn the operating lever (1) counter-clockwise.
2. Use the screwdriver to push the locking lug (2) out of the operating lever (1).
3. Secure the operating lever with a padlock (3).
2 Operational Safety Adjustment Instructions SIPLACE HS-50
2.6 Locking Up of Machine and Tagging of Warn Signs Edition 05/00
56
– Release stored energy
Stored energy in the compressed air supply or electrical energy in electrolytic capacitors must
be released by appropriate means.
Å In order to be able to work without any risk, after switching off the placement system, wait until
the voltages and the compressed air have discharged . See paragraph 2.3
and 2.4
(5)Check all locks.
Å Test the locks on the system simply by pressing the START button.
(6) The following steps must be taken to restore the machine to operation.
(7) Check your working area. Authorized employees should remove all of their tools and reinstall
all guards.
(8) Notify all involved employees.
Å Before removing even one lock or tag, inform all workers in the area that the machine is going
to be restarted.
(9) Remove locks / tags
Å Each authorized employee must remove their own lock. Each authorized employee will have
to store their own lock.
(10)Turn the machine on.
Authorized workers should check the system while it is operating to ensure that repairs were
performed correctly.
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The maintenance workers or electrician may test the circuits by energizing them for a short
period of time without voiding the lock up procedure provided. This may be done only when no
other work is being performed by any other person on the equipment being tested.
It is extremely important that all other START switches will be tagged with the “Do Not Operate”
warning sign, to prevent inadvertent operation of the system during the test.
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(1) It is the responsibility of the maintenance personnel and electricians to make sure this proce-
dure is adhered to.
(2) It is the responsibility of the maintenance and electricians’ immediate
supervisor to introduce their personnel to this procedure.
(3) It is the responsibility of the Safety Officer with assistance of the Safety Committee, Health Ser-
vice Department, and the various managers as well as Vice - Presidents to administer the Lock
Up / Tag procedure.