Pre-Operation Inspection - RIDGID HC-450 Manual Del Operador

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HC-450/HC-300 Hole Cutting Tools
mature failure. Careful evaluation of materials and meth-
ods for the specific service conditions, including chem-
ical and temperature, should be completed before any
installation is attempted.

Pre-Operation Inspection

WARNING
Before each use, inspect your Hole Cutting Tool
and correct any problems to reduce the risk of se-
rious injury from electric shock and other causes and
prevent tool damage.
1. Make sure that the Hole Cutting Tool is unplugged
and the ON/OFF switch is in the OFF position.
2. Clean any oil, grease or dirt from the tool, including
the handles and controls. This aids inspection and
helps prevent the tool or control from slipping from
your grip.
3. Inspect the Hole Cutting Tool for the following items:
• Inspect the power cord, Ground Fault Circuit Inter-
rupter (GFCI) and plug for damage or modification.
• Proper assembly and completeness.
• Broken, worn, missing, mis-aligned or binding parts.
Make sure that the motor assembly moves smooth-
ly and freely up and down the posts of the base as-
sembly. Confirm that the chain and swivel handle
move freely. On the HC-300, confirm that the plung-
er pin functions properly and retains the motor as-
sembly to the base assembly (Figure 7).
Figure 4A – HC-450 Warning Label
6
Figure 4B – HC-300 Warning Labels
• Presence and readability of the warning labels (see
Figures 4A and 4B).
• Any other condition which may prevent safe and
normal operation.
If any problems are found, do not use the hole cutting
tool until the problems have been repaired.
4 Inspect the arbor, hole saw and drills to be used
with the Hole Cutting Tool for wear, deformation,
breakage or other issues. Do not use dull or damaged
cutting tools. Dull or damaged cutting tools increase
the amount of force required, produce poor quality
cuts and increase the risk of injury.
5. With dry hands, plug the cord in. Test the GFCI in the
electrical cord to insure that it is operating correctly.
When the test button is pushed in, the reset button
should pop out. Reactivate by pushing the reset but-
ton. If the GFCI is not functioning properly, unplug the
cord and do not use the hole cutting tool until the
GFCI has been repaired.
6. With the Hole Cutting Tool on a stable surface check
the Hole Cutting Tool for proper operation. Keep
clear of the chuck. Move the ON/OFF switch to the
ON position. The motor should start and the chuck
turn counter clockwise viewed from the chuck end.
Inspect the tool for misalignment, binding, odd noises
or other unusual conditions. Move the ON/OFF switch
to the OFF position. If any issues are found, do not
use the tool until it has been repaired.
7. After the inspection is complete, with dry hands un-
plug the tool.

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Hc-300

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