Safety Warning - Gilson AC-250 Operating Manual

Automatic concrete compression machine
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Please read these instructions thoroughly to familiarize yourself with the operation of the Auto-
matic Concrete Compression Machine before attempting to run it.
The buyer is responsible for ensuring that users are properly trained, that they are aware of all of
the information and instructions in this document, and that they are aware of the potential risks
of operating the machine. The manufacturer will not be responsible for any damage to people
and/or property caused by noncompliance with any instructions in this manual.
NOTE: These instructions are intended only as a guide for general operation of this device and
should not be used in place of test protocol. Refer to current ASTM, AASHTO, and/or BS speci-
fications for complete and detailed test procedures.
Always ensure the motor and other electrical components are properly configured for your in-
tended use and available power source. Machines operate on either 110V,60Hz or 230V,50Hz.
Always use a properly-wired, three-pronged plug, or otherwise ground the machine. Make sure
the cord is located where no one will trip or get tangled in it.
Always check electrical wiring for loose connections and for pinched or frayed wiring.
Always disconnect and lock out power supply when the machine is not in use, especially before
performing maintenance and repairs.
WARNING:
This machine operates on an electric current. Improper operation could result in
electric shock, electrocution, or an explosion! Motors are NOT explosion-proof!
WARNING:
Do not wear loose clothing that might be caught in the machine and keep all body
parts away from moving parts of the machine. ALWAYS wear safety glasses, hearing protection,
and other personal protective equipment while operating, maintaining, or repairing this machine.
WARNING: DO NOT operate the machine without having all guards and covers in place.
WARNING:
DO NOT perform tasks on the machine other than those for which it was designed.
Only use the machine in the manner for which it was intended, as described in this instruction
manual.
NOTE: This machine has been operationally tested and calibrated at the factory. In order to fully comply
with the requirements stated in ASTM C39, the Compression Machine should be calibrated again "on
original installation or immediately after relocation." Gilson does not provide calibration services directly,
but can provide a list of calibrators in your area. Contact our Technical Department at 800.444.1508 or
techsupport@gilsonco.com.
Automatic Concrete Compression Machine Manual
SAFETY INSTRUCTIONS
WARNING
Moving Parts
Can Crush and Cut.
Operate Carefully
CAUTION
Wear safety
glasses when
using equipment.
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This manual is also suitable for:

Ac-325Ac-450

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