Fanuc Power Mate i-D/H Maintenance Manual

SAFETY PRECAUTIONS
B63175EN/03
s4
3
WARNINGS AND NOTES RELATED TO REPLACEMENT
WARNING
1. Always turn off the power to the Power Mate and the main power to the power magnetics cabinet.
If only the power to the Power Mate is turned off, power may continue to be supplied to the serve
section. In such a case, replacing a unit may damage the unit, while also presenting a danger
of electric shock.
2. When a heavy unit is to be replaced, the task must be undertaken by two persons. If the
replacement is attempted by only one person, the replacement unit could slip and fall, possibly
causing injury.
3. After the power is turned off, the servo amplifier and spindle amplifier may retain voltages for
a while, such that there is a danger of electric shock even while the amplifier is turned off. Allow
at least twenty minutes after turning off the power for these residual voltages to dissipate.
4. When replacing a unit, ensure that the new unit has the same parameter and other settings as the
old unit. (For details, refer to the manual provided with the machine.) Otherwise, unpredictable
machine movement could damage the workpiece or the machine itself, and present a danger of
injury.

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