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1/2-Inch Drill Operator's Manual 9
EXTENSION CORD
Make sure your extension cord is in good condition. When using an extension cord, be
sure to use one heavy enough to carry the current your product will draw. An undersized
cord will cause a drop in line voltage resulting in loss of power and overheating. Table
shows the correct size to use depending on cord length and nameplate ampere rating. If
in doubt, use the next heavier gage. The smaller the gage number, the heavier the cord.
DOUBLE INSULATION SYSTEM ENHANCES SAFE OPERATION
To enhance safe operation of this electric power tool, JOHN DEERE has adopted a
double insulation system. The term "double insulation" used here denotes an insulation
systems with two insulations physically separated and arranged between the electrically
conductive material connected to the power supply and outer frame subject to contact by
the operator.
Thus, the power tool is termed double insulated and both the mark and " " double
insulation", or either one is indicated on the name plate.
While no external grounding is required with this system, normal safety precautions as
outlined in this manual must still be followed.
To maintain the effectiveness of the double insulation system, follow the precautions
described below:
1. Always contact your John Deere Dealer when assembling, disassembling or
replacing parts other than accessories or carbon brushes. Improper assembly
and/or replacement with wrong parts may result in eliminating the double
insulation-feature.
2. Clean the exterior of the tool with a soft cloth moistened with soapy water, and
dry thoroughly. Choleric solvent, gasoline, and thinner will cause plastic compo
nents to dissolve.
Table 1
MINIMUM GAGE FOR CORD SETS
Total Length of Code in Feet (Meter)
0-25 26-50 51-100 101-150
(0-7.6) (7.9-15.2)(15.5-30.05) (30.8-45.7)
Ampere Rating AWG Size of Cord
More Not More
Than Than
0 6 18 16 16 14
6 10181614 12
10 12 16 16 14 12
12 16 14 12 Not recommended
CAUTION
SAVE THESE INSTRUCTIONS AND MAKE THEM AVAILABLE TO
OTHER USERS AND OWNERS OF THIS TOOL!
DOUBLE INSULATION
WARNING: AVOID ELECTRICAL SHOCK HAZARD. NEVER USE THIS TOOL
WITH A DAMAGED OR FRAYED ELECTRICAL CORD OR
EXTENSION CORD. INSPECT ALL ELECTRICAL CORDS
REGULARLY. NEVER USE IN OR NEAR WATER OR IN ANY
ENVIRONMENT WHERE ELECTRIC SHOCK IS POSSIBLE.