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2.
Safety Precautions
Warnings and cautions regarding the procedures should be observed to avoid possible
physical hazards and serious accidents that may occur during installation and servicing.
Labels that describe relevant precautions are attached on the machine.
The instructions on such labels should also be observed during procedures.
2.1
Working Precautions
Power Supply
Unless otherwise instructed in the Service Manual, be sure to turn OFF the power of the
machine and unplug the power plug before servicing. With the power plug still plugged,
you may experience electric shock, burn, or secondary damage due to short circuit even
when the machine is powered OFF. It should be noted, however, that some servicing
procedures, such as voltage measurement, cannot be performed under power-OFF
condition. In such cases, use due care to avoid electric shock, burn, or secondary
damage due to short circuit, as instructed in this manual.
To restart or reboot the machine, power it OFF and wait more than five seconds before
powering it ON again. If the machine is powered ON within five seconds, it may
automatically shut down for protection against overcurrent and overvoltage.
Drive Mechanism
Be sure to turn OFF the power before servicing the gears, cams, belts, and other drive
mechanism parts. Otherwise, your body or clothing may be entangled.
However, there may be cases where the procedures cannot be performed under power-
OFF condition. In such cases, use due care to avoid entanglement of your hand, foot,
hairs, and clothing with any rotating mechanism, as instructed in this manual.
Heavy Objects
Exercise due care regarding your working posture to avoid back pain during removal and
installation of heavy objects.
Safety Devices
Safety devices (such as fuses, circuit breakers, interlock switches, panels, and covers)
should always be enabled. Never attempt to make any alteration or modification that may
impair their safety features.
009-058-00
10.10.2000 FM2732
CR-IR347 Service Manual
0.4
0.4
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