Motor Brushes; Operation; Maintenance - DeWalt DW887 User Manual

EN GLI SH
WARNING: Before connecting the tool
to a power source depress and release
the trigger switch (C) once without
depressing the lock-on button (A) to
ensure that the switch is off. Depress
and release the trigger switch as
described above after any interruption
in power supply to the tool, such as the
activation of a ground fault interrupter,
throwing of a circuit breaker, accidental
unplugging, or power failure.
Depressing the trigger switch turns the tool on.
Releasing it turns the tool off. To lock the switch on,
depress the trigger fully, press and hold in the lock-
on button, and release the trigger switch. Release
the lock-on button and tool will stay on. To turn turn
the tool off, depress and release the trigger switch.

OPERATION

Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
Install Grinding Wheels (fi g. 3)
1. Hold the spindle (c) using the spanner provided.
2. Loosen the collet nut (e) by turning it
counterclockwise.
3. Insert the shank of the accessory into the collet
(d).
4. Securely tighten the collet using the spanner
provided.
To remove the accessory, proceed in reverse order.
WARNING: Grasp tool firmly with both
hands to maintain control of the tool at
start up and during use and until the
wheel or accessory stops rotating. Make
sure the wheel has come to a complete
stop be fore laying the tool down.
Put the work in a vise or clamp it securely. Use a
face mask over the nose and mouth if the operation
raises dust. Treat the wheel with respect. Do not
jam the wheel into the work or use unnecessary
pressure. Grind only on the face of the wheel unless
you have a special wheel specifically make to permit
grinding on the side of the wheel.

MAINTENANCE

Your D WALT power tool has been designed to
E
operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
8
WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-ups
or when making repairs. Be sure the
trigger switch is in the OFF position. An
accidental start-up can cause injury.

Motor Brushes

Keep brushes clean and sliding freely in their guides.
Carbon brushes have varying symbols stamped
into them, and if the brush is worn down to the line
closest to the spring, they must be replaced. New
brush assemblies are available at your local service
center.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
WARNING: Blow dirt and dust out of
the main housing with dry air as often as
dirt is seen collecting in and around the
air vents. Wear approved eye protection
and approved dust mask when
performing this procedure.
WARNING: It is recommended that a
residual current device (RFD) is utilized
to further protect the user from electric
shock resulting from the accumulation
of conductive particles. If the tool is
deactivated by the RFD, unplug the tool
and check and clean the tool before
resetting the RFD.
WARNING: Never use solvents or
other harsh chemicals for cleaning the
non-metallic parts of the tool. These
chemicals may weaken the materials
used in these parts. Use a cloth
dampened only with water and mild
soap. Never let any liquid get inside the
tool; never immerse any part of the tool
into a liquid.