4
24. When servicing a tool, use only identical
replacement parts. Follow instructions in
the Maintenance section of this manual.
Use of unauthorized parts or failure to follow
Maintenanceinstructions may create a risk of
electricshock or injury.
USE PROPER EXTENSION CORD: Make sure your extension cord is in good condition.
When using an extension cord, be sure to use oneheavy enough to carr y the current your
product will draw. An undersizedcord will cause a drop in line voltage resulting in loss of
powerand overheating. Table 1 shows the correct size to use depending on cord length and
nameplateampere rating. If in doubt, use the next heavier gage. The smaller the gage num-
ber,the heavier the cord.
SPECIFIC SAFETY RULES USB003-2
DO NOT let comfort or familiarity with product (gained from
repeated use) replace strict adherence to impact wrench safety
rules. If you use this tool unsafely or incorrectly,you can suffer
serious personal injury.
1. Hold tool by insulated gripping surfaces
when performing an operation where the
cutting tool may contact hidden wiring or
its own cord. Contact with a “live” wire will
make exposed metal parts of tool “live” and
shockthe operator.
2. Wearear protectors.
3. Check the socket carefully for wear,
cracksor damage before installation.
4. Holdthe tool firmly.
5. Alwaysbe sure you have a firm footing.
Be sure no one is below when using the
toolin high locations.
6. The proper fastening torque may differ
depending upon the kind or size of the
bolt. Check the torque with a torque
wrench.
Table1: Minimum gage for cord
AmpereRating Volts Totallength of cord in feet
120V 25ft. 50 ft. 100ft. 150ft.
MoreThan NotMore Than AWG
0 6 18 16 16 14
6 10 18161412
10 12 16 16 14 12
12 16 14 12 NotRecommended