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3. Screw the threaded flange onto the
spindle (Fig. 5).
4. Rotate the spindle by hand while press-
ing the spindle lock button (Fig. 6) until
the spindle locks, preventing the spin-
dle from rotating.
5. Securely tighten the threaded flange with
the supplied spanner wrench (Fig. 7).
Fitting Wire Cup Brushes
The wire cup brush screws directly on the spindle of the machine
without the use of flanges. A Type 27 guard is required when using
wire brushes or wheels.
CAUTION: Wear work gloves when handling wire cup brushes.
Wire brushes can become sharp.
MAINTENANCE
Cleaning
WARNING: Blow dust and grit out of the motor housing regularly
using clean, dry compressed air. Dust and grit containing metal
particles often accumulate on interior surfaces and could create an
electrical shock hazard if not frequently cleaned out. ALWAYS
WEAR SAFETY GLASSES.
CAUTION: Never use solvents or other harsh chemicals for
cleaning the non-metallic parts of the tool. These chemicals may
weaken the plastic materials used in these parts. Use a cloth damp-
ened only with water and mild soap.
Lubrication
DEWALT tools are properly lubricated at the factory and are ready
for use. Tools should be relubricated regularly every sixty days to six
months, depending on usage. (Tools used constantly on production
or heavy-duty jobs and tools exposed to heat may require more
frequent lubrication.) This lubrication should only be attempted by
trained power tool repair persons, such as those at D
EWALT serv-
ice centers or by other qualified service personnel.
Motor Brushes
When brushes become worn, the tool will automatically stop and
prevent damage to the motor. Brush replacement should be per-
formed by D
EWALT authorized service centers.
Accessories
Recommended accessories for use with your tool are available at
extra cost from your local dealer or authorized service center. If you
need assistance in locating any accessory for your tool, contact:
D
EWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD
21286.
CAUTION: Accessories must be rated for at least the speed
recommended on the tool warning label. Wheels and other acces-
sories running over rated speed can fly apart and cause injury.
Accessory ratings must always be above tool speed as shown on
tool nameplate.
CAUTION: The use of any other accessory not recommended
for use with this tool could be hazardous.
Repairs
To assure product SAFETY and RELIABILITY, repairs, mainte-
nance and adjustment should be performed by authorized service
centers or other qualified service personnel. Always use identical
replacement parts.
Three Year Limited Warranty
DEWALT will repair, without charge, any defects due to faulty mate-
rials or workmanship for three years from the date of purchase.
This warranty does not cover part failure due to normal wear or tool
FIG. 7