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1.6.10 Safety Devices
(1) Front cover, rear cover and coolant cover.
(2) Over travel limit switches.
(3) Chuck barrier, tail barrier and tool barrier (NC software).
(4) Stored stroke limit (NC software).
(5) Emergency stop push button switch.
1.6.11 Maintenance Operation Preparations
(1) Do not proceed any maintenance operation unless instructed to do by
specialist.
(2) Replacement parts, consumables (packing, oil seals, o-rings, bearing,
oil and grease etc.,) should be arranged in advance.
(3) Prepare to record preventive and corrective maintenance operations.
CAUTION:
(1) Thoroughly read and understand the safety precautions from the instruction
manual.
(2) Thoroughly read the whole maintenance manual and fully understand the
principles, construction and precautions involved.
1.6.12 Maintenance Operation
DANGER:
(1) During maintenance working should not operate the main circuit breaker or
the control power ON switch on the operating panel. for this purpose.
"Do not touch the switch during maintenance operating in progress".or
similar wording should be indicated on such switches and at any other
appropriates locations, such indication should be secured by a semi-
premanent means in the reading direction.
(2) With the machine turned on, any maintenance operation can be
dangerous, in principle, the main circuit breaker should be turned off
throughout the operation.
WARNING:
(1) The electrical maintenance should be done by a qualifi ed person or by others
competent person, keep close contact with the responsible person, do not
decide byyour-selves.
(2) Overtravel limit and proximity switches and interlock mechanism including
functional parts should not be removed or modifi ed.
(3) When maintenance should be use steps or ladders, the safety is very important.
(4) Fuses, cables, etc., made by qualifi ed manufacturers should be employed.
1.6.13 Until Operation Is Begun After Maintenance
WARNING:
All parts and waste oil should be removed by the operator and placed far enough
away from the machine to be safe.
CAUTION:
(1) The maintenance person should check that the machine operates safely.
(2) Maintenance and inspection data should be recorded and kept for reference.
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