Specifications

17. Keep hands in sight and clear of all moving parts
and cutting surfaces.
18. All visitors should be kept at a safe distance from
the work area. Make workshop completely
General Electrical Cautions
This machine should be grounded in accordance
with the National Electrical Code and local codes and
ordinances. This work should be done by a qualified
electrician. The machine should be grounded to
protect the user from electrical shock.
safe by using padlocks, master switches, or by
removing starter keys.
19. Know the tool you are using-its application,
limitations, and potential hazards.
Wire sizes
Caution: for circuits which are far away from the
electrical service box, the wire size must be increased
in order to deliver ample voltage to the motor. To
minimize power losses and to prevent motor overheat-
ing and burnout,the use of wire sizes for branch
circuits or electrical extension cords according to the
following table is recommended:
Safety requirements forabrasive grindingmachines
Abrasive grinding can be hazardousto operators and condition. If the disc is not operating accurately
bystanders. Grinding sparks, chips and dust par- and smoothly, immediatelystop the motor and
ticles thrown off by the grinding disc can cause make repairs before attempting any grinding
serious injury by contact or inhalation. To avoid such operations.
injuries you must comply with the following safety 7. Abrasive discs must be stored in a controlled
requirements: environment area. Relative humidityshould be
1. Always wear protective eyewear when operating 35% to 50% and the temperature should be
machinery. Eye wear shall be impact resistant, between 60 and 80 degrees Fahrenheit. Failure
protective safety glasses with side shields which to do so could cause premature disc failure.
comply with ANSI Z87.1. Use of eye wear which 8. Examinethe face of the grinding disc carefully.
does not comply with ANSI Z87.1 specifications Excessive grinding which wears down to the
could result in severe injury from breakageof eye backing material can tear the disc. Never use a
protection. See FigureA, below. disc which shows backing, nicks or cuts on the
2. Wear leather safety gloves, arm guards, leather surface or edge or damage due to creasing or
aprons and safety shoes. poor handling.
3. A dust collection system is recommended, 9. When installinga new disc, be certain the disc is
Operator shall also wear a dust mask at all times. accurately centered on the drive wheel. Failure to
See Figure B, below. do so could cause a serious unbalanced condi-
4. Additional precautions may be necessaryfor tion.
grinding materials which are flammable or have 10. Always present the workpieceto the wheel while
other hazardous properties. You should always restingthe workpiecefirmly on the table. Failure
consult the manufacturer of such materials for to do so could result in damage to the workpiece
instructions on grinding and handling. or throwing of the workpiece off the wheel.
5. Do not force or jamb the workpiece into the 11. Safety shoes which comply with ANSI Z41.1 shall
grinding disc. be worn. See Figure C.
6. Before grinding, always allow the motor to come 12. Personal hearing protection such as ear plugs or
up to operating speed, then checkthe grinding ear muffs shall be usedto protect against the
disc for wobble, runout, or any unbalanced effect of noise exposure. See Figure D:
ABC D
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5
AWG (American wire gauge) Number
Conductor Length
240 Volt Lines 120 Volt Lines
0 - 50 Feet No. 14 NO.14
50 - 100 Feet NO.14 NO.12
Over 100 Feet NO.14 NO.8