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SAFETY PRECAUTIONS
DFG-SERIES SURFACE GRINDERS OPERATION AND PARTS MANUAL REV #4 (05/28/09) PAGE 12
12. When operating the DFG20E or DFG30E
electrically powered SURFACE GRINDERs on a
surface containing water or other electrically
conducting liquid, specia l precautions must be
taken to minimize the possibility of operator
electrocution. Once such precaution is to wire
and operate the electric motor from a clean, 20
Ampere, 115 Volt AC power source in
conjunction with a ground fault circuit interrupter
(GFCI). A GFCI is a safety device that
disconnects power from a circuit to a load when
a potentially dangerous condition occurs. The
GFCI opens the circuit when the fault current
flow from a power line to a ground exceeds the
safe limit for humans.
The GFCI protects against harmful electrical
shock to a person caused by contact with a
defective electrical product. A GFCI differs from
a fuse or circuit breaker. A fuse or circuit breaker
opens the circuit when the total current flow in
the power line exceeds the safe limit of the
power line. They are designed to protect against
fire caused by overheating of the power line.
Use of a GFCI gives on the job protection from
electrical shock hazards caused by ground faults
in commercial, industrial and residential
applications. They are simple and easy to use:
plug a portable GFCI into any suitable, grounded
extension cord and plug the SURFACE
GRINDER into the GFCI for automatic protection
against ground faults.
For specific information, consult current National
Electrical Code® publications and OSHA
publications 210-22D (or current revision) for
construction sites and 555-3 (or current revision)
for use
around any area containing water.
13. Never exceed the recommended capacities of
the SURFACE GRINDER. Refer to the
Specifications sections of this manual for more
detailed information
OPERATION
1) Give complete and undivided attention to the job
at hand. Do not chew gum, smoke and/or use
smokeless tobacco while utilizing the SURFACE
GRINDER. Do not attempt to eat a nd/or drink
while utilizing the SURFACE GRINDER.
Determine that eyeglasses and/or hearing aid
devices are properly secured.
Use of the SURFACE GRINDER is strenuous and
causes fatigue. Help prevent the cause of an
accident. Plan to take work breaks as required to
help maintain proper mental
and physical alertness.
2) This SURFACE GRINDER is not sealed or
insulated. Do not operate the SURFACE
GRINDER in an explosive atmosphere or near
combustible materials. Refer to current OSHA
®
rules and regulations.
3) Gasoline is an extremely flammable fuel. Use
extreme caution when handling gasoline or
mixing fuel. Always utilize UL®, CSA® OR CE
approved containers for the storage and
transportation of fuel. Do not smoke or bring fire
or flame near the fuel. Always shut off the
engine and allow it to cool before refueling.
Never remove the fuel tank filler cap while the
engine is running. Never operate an engine
without a fuel tank filler cap. Select bare ground
for fueling and move at least 10 feet from the
fueling spot before starting the engine.
Wipe off any spilled fuel before starting the
engine and check for leakage. If a fuel or oil leak
is found, do not start or run the engine until the
leak is fixed and the spillage has been wiped
away. Take care not to get fuel or oil on your
clothing. If this happens, change your clothing
immediately. Before operating the SURFACE
GRINDER refer to the Specifications section of
this manual for more detailed information
regarding fuel and lubrication requirements.
4) The SURFACE GRINDER is designed for use
by one operator. Use of the SURFACE
GRINDER by more than one operator can lead
to confusion and loss of control, resulting in
property damage and/or person
al injury. If it is
felt that more than one person is required to
operate the SURFACE GRINDER, STOP and
contact the Customer Service Department for
specific operational and service/maintenance
information. There is no charge for this service.
5) Do not operate the SURFACE GRINDER with
onlookers close by. Caution all onlookers to
stand clear. The grinding process can result in
flying particles being emitted at high velocity and
striking the operator and/or onlookers This can
lead to the possibility of property damage and/or
personal injury. Keep all body parts, loose
clothing and foreign objects clear of the rotating
drum and flails.
6) Start the engine or electric motor according to
the instructions a
s outlined in this manual to
minimize the possibility of unexpected contact
with the work surface. Unexpected contact with
the work surface can cause the loss of machine
control and the possibility of property damage
and/or personal injury.