DeWalt DWE4517 Instruction Manual page 12

Power Source
Plug the large angle grinder into a dedicated elec trical circuit.
Operating this tool on a circuit with other tools will decrease tool
performance.
Switch (Fig. 5)
WARNING: Ensure that the trigger switch is in the off position
before connecting the tool to a power source or after a power failure.
Hold the side handle and rear handle firmly to maintain control of tool
at start up and during use.
TRIGGER OPERATION WITH LOCK-ON FEATURE
To turn the tool on, depress lock off
button (F) and then depress the trigger
switch (A). The lock-on button (H) will
remain depressed and tool will remain on.
To turn the tool off, depress and release
trigger. The lock pin button will pop out,
permitting the trigger to disengage and
causing the tool to turn off.
NOTE: Allow the tool to reach full speed before touching tool to work
surface. Lift the tool from the work surface before turning the tool off.
CAUTION: Make sure the wheel has come to a complete stop
be fore setting the tool down.
REMOVAL OF LOCK-ON FEATURE (FIG. 1)
The lock-on button (H) can be permanently removed without
compromising compliance with regulatory agencies shown on the
tool's nameplate. Removal of the lock pin must be done by a D
Service Center.
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap Discs
IMPORTANT INFORMATION ABOUT GUARDS (FIG. 6)
Guards must be used with all grinding
wheels, sanding flap discs, wire brushes
and wire wheels. The tool may be used
without a guard only when sanding with
conventional sanding discs. D
models DWE4517 and DWE4519 are
provided with a guard intended for use with
depressed center wheels (Type 27), and
FIG. 5 F
hubbed grinding wheels (Type 27). The
same guard is designed for use with sanding
flap discs, wire brushes and wire wheels.
Grinding and cutting with wheels other
than Type 27, 28 and 29 require different accessory guards not
A
included with the tool. Mounting instructions for these accessory
guards are included in the accessory package.
H
WARNING: When using a grinding wheel with a Type 27, 28, or
29 guard, be sure that the bottom surface of the grinding wheel is
inside the guard lip.
MOUNTING AND REMOVING GUARD (FIG. 7)
1. Open the guard latch (I), and align the lugs with slots on the gear
case cover. Position the guard facing backward, as shown.
2. Push the guard down until the guard lugs engage and rotate freely
in the groove on the gear case hub.
WALT
E
10
FIG. 6
GRINDING
WHEEL
SURFACE
WALT
E
GUARD GUARD
LIP LIP