Maintenance And Inspection; Electric Shock; Locked/Injury - mori seiki NL1500/500 Maintenance Manual

MAINTENANCE AND INSPECTION

46
8
MAINTENANCE AND INSPECTION
8
1.
2.
3.
OFF
1
"
4.
" "
5.
6.
7.
8.
9.
10.
8
1.
"
8
DANGER
1.
Turn the power OFF before performing maintenance
and inspection procedures. If absolutely necessary to
work with the power ON, exercise extreme caution.
[Electric shock/Entanglement]
2.
Electrical wiring work is to be performed by qualified
electrical technicians only.

[Electric shock]

3.
Ensure the main power switch is turned [OFF] and
locked at all times when performing maintenance
procedures considered dangerous if the power is ON.
1
For locking the main power switch, refer to the separate
volume, OPERATION MANUAL "Main Power Switch".
4.
When working inside the machine, the door must be
open.

[Locked/Injury]

5.
Provide clear warning that the machine is being
maintained and operations cannot be performed.
[Accident]
6.
Before performing maintenance and inspection
procedures inside the electrical cabinet or on motors,
transformers or machine lighting, confirm the plantside
power supply (circuit breaker) is turned OFF. Note that
when the main power switch is turned OFF, parts may
still contain residual electrical energy. Using a tester,
confirm parts are free of residual energy prior to
performing maintenance procedures. Maintenance
procedures undertaken with the power turned ON must
be performed by qualified electrical engineers.
[Electric shock]
7.
Do not open electrical cabinet doors or the operation
panel except to perform maintenance and inspection
procedures.
[Dust and moisture entry/Machine damage]
8.
Do not touch the hydraulic unit, coolant pump,
solenoid valves and servomotors during, or
immediately after operation as external surfaces reach
high temperature.
[Burns]
9.
Ensure the connecting rod (draw bar/tube) between the
chuck and cylinder, and other threaded parts are
tightened securely at all times.
[Vibration/Strength reduction/Machine accuracy
degradation]
10.
Do not overtighten bolts.
[Machine distortion/Bolt breakage]
8
WARNING
1.
Consult the Mori Seiki Service Department prior to
performing replacement procedures. Use specified
parts at all times.
[Impaired machine performance and safety]